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Developing, Maintaining, and Using Developing, Maintaining, and Using Ohio’s Linear Based Referencing System Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System (a.k.a. Location Based Response System – LBRS) – LBRS) Bruce D’ Autremont Bruce D’ Autremont Digital Data Technologies, Inc. Digital Data Technologies, Inc. Jeremiah Glascock Jeremiah Glascock Traffic Safety Analysis Systems & Services Traffic Safety Analysis Systems & Services Make no mistake, this presentation is Make no mistake, this presentation is ultimately about ultimately about saving money, and most saving money, and most importantly – importantly – people’s lives people’s lives . . We’ve heard DOT people say, “We’re able to We’ve heard DOT people say, “We’re able to map 80% of map 80% of our crashes and are confident in our crashes and are confident in our ability to locate high- our ability to locate high- hazard hazard locations.” locations.” This presentation will show you with This presentation will show you with convincing evidence convincing evidence that they should not that they should not be so confident and could be “not be so confident and could be “not saving saving peoples lives” which is, quite frankly, why peoples lives” which is, quite frankly, why we are we are here. here.

Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

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Page 1: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

Developing, Maintaining, and Using Developing, Maintaining, and Using Ohio’s Linear Based Referencing SystemOhio’s Linear Based Referencing System

(a.k.a. Location Based Response System – LBRS) (a.k.a. Location Based Response System – LBRS)

Bruce D’ AutremontBruce D’ Autremont

Digital Data Technologies, Inc.Digital Data Technologies, Inc.

Jeremiah Glascock Jeremiah Glascock

Traffic Safety Analysis Systems & ServicesTraffic Safety Analysis Systems & Services

Make no mistake, this presentation is ultimately about Make no mistake, this presentation is ultimately about saving money, and most importantly – saving money, and most importantly – people’s livespeople’s lives. .

We’ve heard DOT people say, “We’re able to map 80% of We’ve heard DOT people say, “We’re able to map 80% of our crashes and are confident in our ability to locate our crashes and are confident in our ability to locate

high-high- hazard locations.” hazard locations.”

This presentation will show you with convincing evidence This presentation will show you with convincing evidence that they should not be so confident and could be “not that they should not be so confident and could be “not saving peoples lives” which is, quite frankly, why we saving peoples lives” which is, quite frankly, why we

are are here.here.

Page 2: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

LBRS Concept:LBRS Concept:

Create it onceCreate it once

Use it a bunchUse it a bunch

and Maintain itand Maintain it

Page 3: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

Defining the Defining the ProblemProblem

Create it once Create it once ▪ ▪ Use it a bunch Use it a bunch ▪ ▪ And maintain itAnd maintain it

Page 4: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

Issues at the State DOT LevelIssues at the State DOT Level Every Jurisdiction in the state needs to be on the Every Jurisdiction in the state needs to be on the

exact same Linear Referencing System (LRS) using exact same Linear Referencing System (LRS) using the same Linear Referencing Method (LRM).the same Linear Referencing Method (LRM).

Integrate a legacy(60+ years) GIS/LRS and create a Integrate a legacy(60+ years) GIS/LRS and create a new system that accurately(+- 1 meter) represents new system that accurately(+- 1 meter) represents every Public and Private Road in Ohio. every Public and Private Road in Ohio.

Bring mature, effective roadway information Bring mature, effective roadway information standards to this massive road network (125,000 + standards to this massive road network (125,000 + Centerline Miles) involving all levels of State and Centerline Miles) involving all levels of State and Local government. Local government.

Match crash data effectively to House Match crash data effectively to House Numbers/Addresses, Intersections etc. Numbers/Addresses, Intersections etc.

Page 5: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

Standardization of Ramps and Interchanges including a Standardization of Ramps and Interchanges including a complete Ramp/Interchange Inventory System (5,000 ramps)complete Ramp/Interchange Inventory System (5,000 ramps)

Page 6: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

Defining Part of the Local Government Defining Part of the Local Government ProblemProblem

Field Verified Point-based addressingField Verified Point-based addressing – ensures – ensures jurisdiction’s homes, businesses, landmarks and other jurisdiction’s homes, businesses, landmarks and other assets will be accurately located. assets will be accurately located. Most do not have this.Most do not have this.

Geocoding, a mapping method that approximates Geocoding, a mapping method that approximates address locations based on ranges assigned to a road address locations based on ranges assigned to a road segment, is unreliable for applications that require segment, is unreliable for applications that require accurate locations and it wastes time that could save accurate locations and it wastes time that could save lives.lives.

““NextGen” 9-1-1 systems will require very accurate, NextGen” 9-1-1 systems will require very accurate, attribute-rich, attribute-rich, field-verifiedfield-verified basemap data to function basemap data to function properly.properly.

Page 7: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

A Road with Many NamesA Road with Many Names

North StreetNorth Street

Columbia StreetColumbia Street

Park RoadPark Road US40US40

E. Main StreetE. Main StreetW. National W. National RoadRoad

E. National RoadE. National Road

Page 8: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

To create “quality” data, some tried to useTo create “quality” data, some tried to use An orthophoto to create the centerlinesAn orthophoto to create the centerlines Address data from the Assessor and other Address data from the Assessor and other

departments to populate the addressesdepartments to populate the addresses

It became clear that in order to obtain accurate, It became clear that in order to obtain accurate, reliable data, reliable data, ALL addresses and roads must be ALL addresses and roads must be field-verifiedfield-verified

Page 9: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

Issues with Local Address DataIssues with Local Address Data

Typically, 31% of existing county addressing data is:Typically, 31% of existing county addressing data is: Incomplete Incomplete Inaccurate Inaccurate UnreliableUnreliable

Existing 9-1-1 databases are often flawed, as well.Existing 9-1-1 databases are often flawed, as well.

Page 10: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

Field Verification Exposed Non-Field Verification Exposed Non-Matching Address DataMatching Address Data

63%63%37%37%

Fayette County 4,236 records (37%) did not match

70%70%

30%30% Clark County 16,882 records (30%) did not match

31%31%

69%69% City of Gahanna (Franklin County) 4,715 records (31%) did not match

Page 11: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

37% 25%

• Road seems passable in orthophoto, but field-verification reveals otherwise

Orthophotos prove unreliable for Orthophotos prove unreliable for roadway developmentroadway development

Page 12: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

37% 25%

It will be difficult to use It will be difficult to use this road segment for this road segment for routing purposesrouting purposes

Page 13: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

Only field-verification would reveal this road Only field-verification would reveal this road segment as impassablesegment as impassable

Page 14: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

A non-existent bridge in Champaign County, Ohio

Page 15: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

An unmarked, unpaved road in Jackson County, Ohio on the state inventory as “passable”

Page 16: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

CREATE IT CREATE IT ONCEONCE

Create it once Create it once ▪ ▪ Use it a bunch Use it a bunch ▪ ▪ And maintain itAnd maintain it

Page 17: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

Create it once, use it manyCreate it once, use it many

IINNTTEEGGRRAATTIIOONN

• Used by federal (high) level applications

– Regional, multi-state• Minimal attributes, low resolution• $

• Used by state level applications– State & Federal Programs – Multi-County Multi-State

• More attributes, better resolution• $$

• Used by local level applications

– Serve People – Multi-Neighborhood

• Most attributes, best resolution• $$$

Page 18: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

Create It Once – The Solution…Create It Once – The Solution… Location Based Response System (LBRS)Location Based Response System (LBRS)

State-level plan for every Ohio countyState-level plan for every Ohio county• Memorandums of Agreement between the Counties and the Memorandums of Agreement between the Counties and the

StateState Create spatially accurate street centerlines with Create spatially accurate street centerlines with field field

verifiedverified site-specific address locations, with emphasis site-specific address locations, with emphasis on linear referencing/milepostson linear referencing/mileposts

Page 19: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

What is LBRS, cont’d.What is LBRS, cont’d.

Avoids duplication of effortsAvoids duplication of efforts Fed, state, county and local levels were creating Fed, state, county and local levels were creating

independent datasets that met their particular needs independent datasets that met their particular needs The challenge for DDTI from the initial LBRS The challenge for DDTI from the initial LBRS

pilot project? pilot project? Create a dataset that meets the unique needs of the Create a dataset that meets the unique needs of the

DOT with emphasis on linear referencing/milepost, DOT with emphasis on linear referencing/milepost, while meeting the needs of county & local GIS, and while meeting the needs of county & local GIS, and most importantly, most importantly, Emergency ResponseEmergency Response

Page 20: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

LBRS Data InputLBRS Data Input

Field Verified Roadway Information and Addresess

Page 21: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

What’s so unique? What’s so unique? The Next Generation Road Network that supports The Next Generation Road Network that supports

advanced applications contains these attributes…advanced applications contains these attributes…

Page 22: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

Centerline

Address

Page 23: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

USE IT A BUNCHUSE IT A BUNCH(a.k.a. – more ROI)(a.k.a. – more ROI)

Create it once Create it once ▪ ▪ Use it a bunch Use it a bunch ▪ ▪ And maintain itAnd maintain it

Page 24: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

Linking Legacy Data to the LBRSLinking Legacy Data to the LBRS

Page 25: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

Examples of LBRS UsersExamples of LBRS Users

Page 26: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

AccuGlobe ExtensionsAccuGlobe Extensions AccuGlobe 9-1-1 Dispatch/Mobile/Web used to locate emergency AccuGlobe 9-1-1 Dispatch/Mobile/Web used to locate emergency

response locationsresponse locations

Page 27: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

AND MAINTAIN ITAND MAINTAIN IT

Create it once Create it once ▪ ▪ Use it a bunch Use it a bunch ▪ ▪ And maintain itAnd maintain it

Page 28: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

Issues With AddressingIssues With Addressing

PROBLEM: Erie County has 17 PROBLEM: Erie County has 17 addressing authorities. addressing authorities. How do we: How do we:

• Help them maintain their data? Help them maintain their data?

• Integrate it into their daily workflow applications (i.e. 9-Integrate it into their daily workflow applications (i.e. 9-1-1)?1-1)?

• With REAL-TIME data synchronization? With REAL-TIME data synchronization?

• With built-in quality assurance?With built-in quality assurance?

Page 29: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

Solution:Solution: AccuGlobe 2007 Addressing AccuGlobe 2007 Addressing Plug-InPlug-In

SQLSQL Based Based systemsystem

Provides Provides DynamicDynamic (real-time) (real-time) updatingupdating

Provides Provides OneOne system system for the for the Master Master Address Address DatabaseDatabase

Secure and Secure and EASYEASY to use to use

It’s It’s REALREAL and it and it WORKSWORKS!!

Page 30: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

Data Maintenance SolutionData Maintenance Solution

Maintenance Maintenance software local software local authorities authorities can use to can use to add, modify add, modify or delete or delete roads and roads and addressesaddresses

Page 31: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

DDTIDDTIDDTIDDTICLIENTCLIENTCLIENTCLIENT

Centralized GIS data maintenance svc.Centralized GIS data maintenance svc.

Page 32: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

Centralized GIS data maintenance svc.Centralized GIS data maintenance svc.

Multiple users can edit the GIS data (spatial and Multiple users can edit the GIS data (spatial and attribute) simultaneously via the Internetattribute) simultaneously via the Internet

Full history of edits are saved with audit trailFull history of edits are saved with audit trail

Computed attributes generated on serversComputed attributes generated on servers User enters only non-computable dataUser enters only non-computable data

QC checks populate the error layer within seconds QC checks populate the error layer within seconds after the changes are committed for quick feedbackafter the changes are committed for quick feedback

Nightly GIS data extract provides fresh data for GIS Nightly GIS data extract provides fresh data for GIS applications for other agenciesapplications for other agencies

Page 33: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

MaintenanceMaintenance

Data Data integrationintegration and and disseminationdissemination

COUNTY

Engineer Health

Assessor Other/Etc

TOWNSHIP STATE

Other/Etc

Zoning

Trustees

Other/Etc

Engineer

E9-1-1

CITY/VILLAGE

E9-1-1 Planning

Page 34: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

What the 9-1-1 Community is Saying What the 9-1-1 Community is Saying about the LBRSabout the LBRS

There is no substitute for geographic information collected in the There is no substitute for geographic information collected in the field. This is especially true for address points in a 9-1-1 dispatch field. This is especially true for address points in a 9-1-1 dispatch setting. The use of road centerlines exclusively in 9-1-1 simply is setting. The use of road centerlines exclusively in 9-1-1 simply is not adequate, particularly in rural settings where houses may be not adequate, particularly in rural settings where houses may be hundreds of feet off the public road and/or may share a long lane hundreds of feet off the public road and/or may share a long lane between many houses. Address ranges on road centerlines just between many houses. Address ranges on road centerlines just cannot help with this level of detail the way an absolute coordinate cannot help with this level of detail the way an absolute coordinate on each structure is able to do.on each structure is able to do.

GIS Director Erik Parker, Holmes CountyGIS Director Erik Parker, Holmes County

Page 35: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

OGRIP’s goal with LBRS is a statewide GISOGRIP’s goal with LBRS is a statewide GIS Create spatially accurate street centerlines with Create spatially accurate street centerlines with

field verified site-specific address locations, with field verified site-specific address locations, with emphasis on linear referencing/milepostsemphasis on linear referencing/mileposts

Multipurpose data designed for cross Multipurpose data designed for cross departmental usedepartmental use

Federal, county & local government GISFederal, county & local government GIS State Departments of Transportation State Departments of Transportation Auditors, Engineers and other elected officialsAuditors, Engineers and other elected officials Police, Fire, EMSPolice, Fire, EMS

DDTI collects the following for all LBRS projectsDDTI collects the following for all LBRS projects

Location Based Response Location Based Response SystemSystem

Page 36: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

Single Family Houses Duplexes Manufactured Homes Apartments (single & multiple units) Addressable Secondary Structures Utility Structures Commercial Structures Addresses w/no visible structure Alley Intersections Bad Sign Points Boundary Points Bridges and Culverts Flashing Signals & associated control

types Gates GPS Points with attached X, Y and Z

locations Hydrants Intersections Landmark Points with descriptions Milepost signs and their milepost values MX Notes to flag multiple houses sharing

a driveway 

Location Based Response Location Based Response SystemSystem

Overpasses Railroad Crossings & associated

control types School Zone Points Speed Limit Signs and their value Stop Signs Traffic Signals Turnarounds Underpasses Yield Signs Private miles of centerline Municipal miles of centerline Township miles of centerline County miles of centerline Miles of centerline State Routes State US Highways State Interstates State Ramps State Park Roads

Page 37: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

Counties Mapped by DDTICounties Mapped by DDTI

Page 38: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

USING IT A BUNCH!USING IT A BUNCH!How LBRS benefits a Safety How LBRS benefits a Safety

Data SystemData System

Create it once Create it once ▪ ▪ Use it a bunch Use it a bunch ▪ ▪ And maintain itAnd maintain it

Page 39: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

Scrubbing and Locating Crashes StatewideScrubbing and Locating Crashes Statewide

TSASS is working with 19 counties TSASS is working with 19 counties and three MPO’s statewide and three MPO’s statewide representing almost 50% of all representing almost 50% of all crashes.crashes.

Safety funding programs are data Safety funding programs are data driven and require three full years driven and require three full years of scrubbed and located crash of scrubbed and located crash data.data.

TSASS has a statewide crash data TSASS has a statewide crash data and crash report image repository and crash report image repository going back to 1995.going back to 1995.

Our goal is to promote and help Our goal is to promote and help local governments to apply for local governments to apply for safety funds that they otherwise safety funds that they otherwise would not have the resources to do would not have the resources to do so.so.

LBRS allows TSASS and in turn LBRS allows TSASS and in turn the locals, to successfully , the locals, to successfully , efficiently and accurately improve efficiently and accurately improve hazardous intersections.hazardous intersections.

Page 40: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

TSASS utilizes ALL available field TSASS utilizes ALL available field verified inventories collected verified inventories collected

through the LBRS effort.through the LBRS effort. These include (in order of importance to how These include (in order of importance to how

officers are referencing locations):officers are referencing locations):• Road Centerlines• Intersections• Address Points• Mile Posts• Boundaries• Landmarks• Railroad crossings• Bridges and culverts• Signs (including stop, yield, flashing signals, traffic signals)• GPS Points

Page 41: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

Building a Comprehensive Road Inventory Building a Comprehensive Road Inventory (Stark County, Ohio as example)(Stark County, Ohio as example)

DDTI LBRS Stark County:DDTI LBRS Stark County: 20,591 Intersections or road end-points20,591 Intersections or road end-points 164,250 Addresses164,250 Addresses 29,510 roadway segments29,510 roadway segments

DOT Roadway Inventory Stark CountyDOT Roadway Inventory Stark County 18,120 Intersections or road end-points18,120 Intersections or road end-points 0 Addresses (no address point data)0 Addresses (no address point data) 24,420 roadway segments24,420 roadway segments

Page 42: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

Statewide, Intersection and Address related Statewide, Intersection and Address related Crashes are the most referenced attributes.Crashes are the most referenced attributes.

Statewide Crashes By Reference Type per Year

25%

60%

13%

2%

AddressReferenced

IntersectionReferenced

Mileposts

Other

Page 43: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

For comparison:For comparison:

Stark County 2006-2008 Crashes By Reference Type

1%17%

14%

68%

Other

Address

Milepost

Intersection

Intersections are the most commonly referenced attribute and require a complete road centerline inventory!

Page 44: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

Crashes located at intersections of “private” roads and Crashes located at intersections of “private” roads and the legacy roadway are often left out of the statistics.the legacy roadway are often left out of the statistics.

Page 45: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data
Page 46: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

Example: Disagreement of LocationsExample: Disagreement of Locations

Page 47: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

Now lets look at Address Referenced Crashes in Now lets look at Address Referenced Crashes in Stark County in Ohio:Stark County in Ohio:

Stark County 2006-2008 Crashes By Reference Type

1%17%

14%

68%

Other

Address

Milepost

Intersection

Addresses are the second most commonly referenced attribute and require point address information for accurate location.

Page 48: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

Without address point data other methods used to locate the address Without address point data other methods used to locate the address referenced crashes include using County Engineer, Auditor and/or TIGER referenced crashes include using County Engineer, Auditor and/or TIGER Address Data (in Blue) or other vendor datasets.Address Data (in Blue) or other vendor datasets.

These address located crashes often are in “space” when comparing it to These address located crashes often are in “space” when comparing it to the legacy roadway and are not included in the Link/Node Statistics.the legacy roadway and are not included in the Link/Node Statistics.

Page 49: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

Let’s look at an example…Here are the different data sources. (DDTI centerline in black; ODOT Roadway Inventory in red.

Now the crashes: Blue are located against DDTI dataset; Red located by ODOT.

And now here are the crashes referenced to addresses only.

Page 50: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

Address-referenced crashes suffer from additional problems not normally associated Address-referenced crashes suffer from additional problems not normally associated with LBRS data like gaps in the address ranges and inconsistent street names.with LBRS data like gaps in the address ranges and inconsistent street names.

Address Range Geocoding will NOT provide accurate enough locations.Address Range Geocoding will NOT provide accurate enough locations. Consequences will be inaccurate tallies on segments and intersections.Consequences will be inaccurate tallies on segments and intersections.

Page 51: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

Testing with DDTI Address point data (in Blue) and Teleatlas Testing with DDTI Address point data (in Blue) and Teleatlas address ranges (red). address ranges (red).

Page 52: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

Locating Crashes to LandmarksLocating Crashes to Landmarks

Page 53: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

Locating Crashes to BoundariesLocating Crashes to Boundaries

Page 54: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

Electronically Submitted Electronically Submitted Crashes (ECS) now have GPSCrashes (ECS) now have GPS

Good GPSGood GPS Officer takes Officer takes

coordinates at the coordinates at the point of the First point of the First Harmful EventHarmful Event

Bad GPSBad GPS Officer clears the Officer clears the

scene and takes scene and takes coordinates down coordinates down the road at the gas the road at the gas stationstation

Page 55: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

Top 5 Intersections Comparison by Frequency : 2006-2008 Stark County Crashes

Page 56: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

Stark County 2006-2008 Crashes located using LBRSStark County 2006-2008 Crashes located using LBRS• Top 5 High Frequency Sites (Located within 250’ of the intersection.)Top 5 High Frequency Sites (Located within 250’ of the intersection.)

Top 5 Intersections Comparison by Frequency : 2006-2008 Stark County Crashes

Node NameNode Name Crash FrequencyCrash Frequency

COLUMBUS RD NE @ MIDDLEBRANCH AV NECOLUMBUS RD NE @ MIDDLEBRANCH AV NE 143143

EVERHARD RD NW @ WHIPPLE AV NWEVERHARD RD NW @ WHIPPLE AV NW 9494

FULTON DR NW @ EVERHARD RD NWFULTON DR NW @ EVERHARD RD NW 8888

EVERHARD RD NW @ DRESSLER RD NWEVERHARD RD NW @ DRESSLER RD NW 8282

BELDEN VILLAGE ST NW @ DRESSLER RD NWBELDEN VILLAGE ST NW @ DRESSLER RD NW 7878

Node NameNode Name Crash FrequencyCrash Frequency

EVERHARD RD NW @ DRESSLER RD NWEVERHARD RD NW @ DRESSLER RD NW 9696

IR0077R @ PORTAGE ST IR0077R @ PORTAGE ST 9292

COLUMBUS RD NE @ MIDDLEBRANCH AV NECOLUMBUS RD NE @ MIDDLEBRANCH AV NE 8686

EVERHARD RD NW @ WHIPPLE AV NWEVERHARD RD NW @ WHIPPLE AV NW 7575

3232ndnd ST @ MIDDLEBRANCH RD ST @ MIDDLEBRANCH RD 6161

Stark County 2006-2008 Crashes located Legacy Road Stark County 2006-2008 Crashes located Legacy Road CenterlineCenterline

• Top 5 High Frequency Sites (Located within 250’ of the intersection.)Top 5 High Frequency Sites (Located within 250’ of the intersection.)

Page 57: Developing, Maintaining, and Using Ohio’s Linear Based Referencing System (a.k.a. Location Based Response System – LBRS) Bruce D’ Autremont Digital Data

Stark County 2006-2008 Crashes located using LBRS• These sites WOULD qualify for safety improvements when located using These sites WOULD qualify for safety improvements when located using

the LBRS datasets.the LBRS datasets.

Intersections with the Minimum Frequencies (>20) to Receive Intersections with the Minimum Frequencies (>20) to Receive Funding : 2006-2008 Stark County CrashesFunding : 2006-2008 Stark County Crashes

Node NameNode Name TSASS Crash FrequencyTSASS Crash Frequency ODOT Crash frequencyODOT Crash frequency

MUNSON ST NW @ WHIPPLE AV NWMUNSON ST NW @ WHIPPLE AV NW 2121 1010

PORTAGE ST NW @ FREEDOM AV NWPORTAGE ST NW @ FREEDOM AV NW 2121 1818

INGLEWOOD AV NW @ BROAD AV NWINGLEWOOD AV NW @ BROAD AV NW 3030 44

APPLEGROVE ST NW @ FRANK AV NWAPPLEGROVE ST NW @ FRANK AV NW 2929 1111

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Funding and Return of InvestmentFunding and Return of Investment

According to the Ohio Local Technical Assistance According to the Ohio Local Technical Assistance Program (LTAP), Program (LTAP),

“ “Data obtained from the LBRS can play a significant Data obtained from the LBRS can play a significant role in appropriations at the federal level and role in appropriations at the federal level and enhance efficiencies within your jurisdiction…enhance efficiencies within your jurisdiction…Funding to upgrade portions of roads that have Funding to upgrade portions of roads that have unusually high accident rates are based on the unusually high accident rates are based on the number of accidents reported to FHWA. Ohio’s share number of accidents reported to FHWA. Ohio’s share of FHWA safety dollars are estimated to rise by an of FHWA safety dollars are estimated to rise by an additional additional $24M$24M after LBRS is developed, with after LBRS is developed, with funding rising incrementally as the system’s funding rising incrementally as the system’s databases are populated.”databases are populated.”

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Under Section 143, states must provide Under Section 143, states must provide worst 5% locations for traffic safety on all worst 5% locations for traffic safety on all roadways.roadways.

Vast majority of states have indicated they Vast majority of states have indicated they did not have information on non-State did not have information on non-State roadways.roadways.

90% of States are or will be pursuing 90% of States are or will be pursuing centerline and GIS base maps (LBRS).centerline and GIS base maps (LBRS).

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NHTSA states that the Traffic Safety Information NHTSA states that the Traffic Safety Information program (408) indicates almost every state has efforts program (408) indicates almost every state has efforts underway to develop centerline and GIS base maps.underway to develop centerline and GIS base maps.

From Section 408 and 143, there are significant funds From Section 408 and 143, there are significant funds available to pursue the development of a LBRS (as well available to pursue the development of a LBRS (as well as other funding such as 9-1-1 and the state auditor).as other funding such as 9-1-1 and the state auditor).

Because having the LBRS will help local governments Because having the LBRS will help local governments apply for Highway Safety Improvement money, there is apply for Highway Safety Improvement money, there is an incentive for the locals like MPOs and County an incentive for the locals like MPOs and County Engineer Associations work with the states to build local Engineer Associations work with the states to build local information/inventories ie LBRS.information/inventories ie LBRS.

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Example of ROIExample of ROI

The cost of LBRS for The cost of LBRS for one Ohio county at one Ohio county at the time was the time was $250K$250K

in the FIRST year, in the FIRST year, $480K$480K of safety of safety improvement money improvement money was awarded to the was awarded to the county for county for improvements on improvements on local roadslocal roads

LBRS Funding of an Ohio County

OGRIP

911

Auditor

MPO

$0

$100

$200

$300

$400

$500

First Year Cost First Year ROI

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If you do not take action, who will?If you do not take action, who will?

Thank you for your time.Thank you for your time.

Ron CramerRon Cramer

Digital Data Technologies, Inc. Digital Data Technologies, Inc. www.ddti.net

(614) 429-3384(614) 429-3384

[email protected]

Jeremiah Glascock Jeremiah Glascock

Traffic Safety Analysis Systems & Services Traffic Safety Analysis Systems & Services www.tsass.com

(614) 539-4100(614) [email protected]

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What Our Clients SayWhat Our Clients Say DDTI’s E9-1-1 solutions have significantly improved our ability DDTI’s E9-1-1 solutions have significantly improved our ability

to serve the citizens of Englewood. We can see 9-1-1 calls to serve the citizens of Englewood. We can see 9-1-1 calls come in to a point on our map; we can determine at a glance come in to a point on our map; we can determine at a glance the best available unit to respond and know the MDT’s the best available unit to respond and know the MDT’s audible routing will get that officer to the scene every time; audible routing will get that officer to the scene every time; and we can watch our units in the field for that extra level of and we can watch our units in the field for that extra level of officer safety. It’s added protection for everyone. officer safety. It’s added protection for everyone.

Det. Mike Lang, Englewood Police DepartmentDet. Mike Lang, Englewood Police Department

Until DDTI intalled their 9-1-1 Dispatch software, we didn’t Until DDTI intalled their 9-1-1 Dispatch software, we didn’t have the convenience of an instant image of the 9-1-1 caller’s have the convenience of an instant image of the 9-1-1 caller’s location. With that now in place, we can do our job more location. With that now in place, we can do our job more efficiently and our responders can get to the scene faster. It’s efficiently and our responders can get to the scene faster. It’s added production for our community. added production for our community.

Capt. Doug Merry, Zanesville Police DepartmentCapt. Doug Merry, Zanesville Police Department

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What Our Clients SayWhat Our Clients Say DDTI stood apart from the other numerous responding DDTI stood apart from the other numerous responding

vendors because of their thorough knowledge of the needs of vendors because of their thorough knowledge of the needs of a 9-1-1 communications center. They developed their own a 9-1-1 communications center. They developed their own GIS software and have such a stellar reputation for quality GIS software and have such a stellar reputation for quality and speed of their products, as well as outstanding customer and speed of their products, as well as outstanding customer service. DDTI’s AccuGlobe E9-1-1 Dispatch mapping service. DDTI’s AccuGlobe E9-1-1 Dispatch mapping software truly was the most robust and cost-effective solution software truly was the most robust and cost-effective solution for our needs. for our needs.

Sgt. Pamela Breeden, Oak Ridge Police DepartmentSgt. Pamela Breeden, Oak Ridge Police Department

Now I can virtually be at the scene of a crime even if I’m not Now I can virtually be at the scene of a crime even if I’m not physically tere. Mobile Command Center gives me the exact physically tere. Mobile Command Center gives me the exact location of the incident, and even the closest landmark thanks location of the incident, and even the closest landmark thanks to DDTI’s detailed database of addresses, roads and other to DDTI’s detailed database of addresses, roads and other attributes. attributes.

Sheriff Richard Sutherland (Ret.) Huron County Sheriff’s OfficeSheriff Richard Sutherland (Ret.) Huron County Sheriff’s Office

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What Our Clients SayWhat Our Clients Say What we learned the hard way is that 911 mapping is a highly What we learned the hard way is that 911 mapping is a highly

specialized field. CAD vendors view mapping as an add-on specialized field. CAD vendors view mapping as an add-on (and revenue source) for their existing equipment, but they (and revenue source) for their existing equipment, but they lack the expertise to meet LBRS standards. Mapping is all lack the expertise to meet LBRS standards. Mapping is all DDTI does. They provide mapping for more than 40 Ohio DDTI does. They provide mapping for more than 40 Ohio counties. Of all the vendors I have worked with these past five counties. Of all the vendors I have worked with these past five years, DDTI is the only vendor I recommend fully and without years, DDTI is the only vendor I recommend fully and without hesitation. Their products meet and exceed state LBRS hesitation. Their products meet and exceed state LBRS standards. Others have tried but to the best of my knowledge standards. Others have tried but to the best of my knowledge nobody else has met those standards - a very important nobody else has met those standards - a very important consideration for LBRS funding assistance. There are consideration for LBRS funding assistance. There are reasons why Ohio law exempts 911 from low-bidder reasons why Ohio law exempts 911 from low-bidder requirements: So that PSAPs do not end up with a mishmash requirements: So that PSAPs do not end up with a mishmash of incompatible equipment, and so that a proven quality of incompatible equipment, and so that a proven quality vendor's equipment can be obtained and kept. To us, DDTI is vendor's equipment can be obtained and kept. To us, DDTI is definitely a proven quality vendor. definitely a proven quality vendor.

9-1-1 Coordinator Mike Cullums, Washington County9-1-1 Coordinator Mike Cullums, Washington County

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What Our Clients SayWhat Our Clients Say Safety is paramount every day of the year, but having the Safety is paramount every day of the year, but having the

reliability and accuracy of AccuGlobe E9-1-1 Dispatch is reliability and accuracy of AccuGlobe E9-1-1 Dispatch is especially helpful during our big event over four days every especially helpful during our big event over four days every October when we attract 400,000 tourists to a town of only October when we attract 400,000 tourists to a town of only 12,000. We pride ourselves on service, and the E9-1-1 12,000. We pride ourselves on service, and the E9-1-1 Dispatch software helps us enhance what we provide to our Dispatch software helps us enhance what we provide to our community and those who visit. community and those who visit.

9-1-1 Coordinator Terry Frazier, Pickaway County 9-1-1 Coordinator Terry Frazier, Pickaway County

DDTI’s Dispatch software has enabled us to improve public DDTI’s Dispatch software has enabled us to improve public safety because of the enhanced visual maps displaying safety because of the enhanced visual maps displaying incoming calls, and it will improve officer safety because we incoming calls, and it will improve officer safety because we can monitor all of our department vehicles with the AVL can monitor all of our department vehicles with the AVL function. function.

IT Manager Chip Holland, City of Hilliard IT Manager Chip Holland, City of Hilliard

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What Our Clients SayWhat Our Clients Say Until DDTI installed their 9-1-1 Dispatch software, we relied Until DDTI installed their 9-1-1 Dispatch software, we relied

on our hard-copy maps and dispatchers’ knowledge of the on our hard-copy maps and dispatchers’ knowledge of the area to route units to their dispatched location. Now we have area to route units to their dispatched location. Now we have an instant image of where the emergency is, which enables an instant image of where the emergency is, which enables our responders to get to the scene faster. This application has our responders to get to the scene faster. This application has been very beneficial for us when we require the assistance of been very beneficial for us when we require the assistance of outlying agencies to respond to large emergencies, because it outlying agencies to respond to large emergencies, because it helps us expedite the routing of units that may be unfamiliar helps us expedite the routing of units that may be unfamiliar with our jurisdiction. with our jurisdiction.

9-1-1 Coordinator Tina Whitaker, Hardin County 9-1-1 Coordinator Tina Whitaker, Hardin County

It has enhanced our ability to find the residents that need our It has enhanced our ability to find the residents that need our help because of its unsurpassed speed and its ability to help because of its unsurpassed speed and its ability to seamlessly interface with our new computer aided dispatching seamlessly interface with our new computer aided dispatching software.software.

Delaware County 9-1-1 CenterDelaware County 9-1-1 Center

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What Our Clients SayWhat Our Clients Say Earlier this month, we received a 9-1-1 call that took our police into Earlier this month, we received a 9-1-1 call that took our police into

Union County, Indiana. While familiar with Union County, Preble Union County, Indiana. While familiar with Union County, Preble County Sheriff's Office Dispatcher Paul Plaugher didn't know all of County Sheriff's Office Dispatcher Paul Plaugher didn't know all of the road names.  The audio quality of the radio traffic was the road names.  The audio quality of the radio traffic was diminishing the further units got away from their receiver sites, but diminishing the further units got away from their receiver sites, but Plaugher was able to use AccuGlobe E9-1-1 software to view their Plaugher was able to use AccuGlobe E9-1-1 software to view their location on the map.  Even though Preble County Sheriff's Office location on the map.  Even though Preble County Sheriff's Office does not have [AccuGlobe E9-1-1] Mobile, when their drivers would does not have [AccuGlobe E9-1-1] Mobile, when their drivers would turn Plaugher could keep track of where they were and even tell the turn Plaugher could keep track of where they were and even tell the driver what road he/she was on and what roads were coming up. driver what road he/she was on and what roads were coming up. Not only did this chase cross a county line, but it also crossed a Not only did this chase cross a county line, but it also crossed a state line.  To my knowledge, never before has mapping been state line.  To my knowledge, never before has mapping been available across the state line.  available across the state line.  

GIS Director Sean Maggard, Preble County, OHGIS Director Sean Maggard, Preble County, OH

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What Our Clients SayWhat Our Clients Say We took a wireless 9-1-1 call from a female that stated "Help Fire on Linden We took a wireless 9-1-1 call from a female that stated "Help Fire on Linden

Ave" and the phone went dead. The dispatcher was able to retrieve a phase 2 Ave" and the phone went dead. The dispatcher was able to retrieve a phase 2 reading and plotted it on our map (DDTI) to near the intersection of N. Linden reading and plotted it on our map (DDTI) to near the intersection of N. Linden Ave and Military Rd. Deputies along with the Fire Department were dispatched Ave and Military Rd. Deputies along with the Fire Department were dispatched to this area to see if anything could be located. Our dispatch center then to this area to see if anything could be located. Our dispatch center then immediately contacted the National Compliance Center to see if an address immediately contacted the National Compliance Center to see if an address could be retrieved from the cell number. At almost the exact time that the deputy could be retrieved from the cell number. At almost the exact time that the deputy signed out w/smoke showing, the compliance center was able to confirm that the signed out w/smoke showing, the compliance center was able to confirm that the subscribers address was on N. Linden Ave. The Fire Department arrived a few subscribers address was on N. Linden Ave. The Fire Department arrived a few minutes later and discovered a female inside the residence that was overcome minutes later and discovered a female inside the residence that was overcome with smoke inhalation and was barely conscious. The victim was transported to with smoke inhalation and was barely conscious. The victim was transported to the local hospital and then flown to Columbus. I want to thank each of you the local hospital and then flown to Columbus. I want to thank each of you personally for your dedication to the dispatch center and especially the citizens personally for your dedication to the dispatch center and especially the citizens of Muskingum County, without your dedication to equipment, software and our of Muskingum County, without your dedication to equipment, software and our citizens of the county I have no doubt that this female would have passed away, citizens of the county I have no doubt that this female would have passed away, if not for the ability to locate the house almost immediately. if not for the ability to locate the house almost immediately.

Communications Supervisor Kim Hambel, Muskingum County Sheriff’s OfficeCommunications Supervisor Kim Hambel, Muskingum County Sheriff’s Office

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What Our Clients SayWhat Our Clients Say

I know you probably get these kind of examples all the I know you probably get these kind of examples all the time for the importance of mapping but I thought I would time for the importance of mapping but I thought I would share ours. We had an 18-year-old girl who got in an share ours. We had an 18-year-old girl who got in an accident Saturday night. She hit her head on the steering accident Saturday night. She hit her head on the steering wheel and was drifting in and out of consciousness. Her wheel and was drifting in and out of consciousness. Her car was in a deep ditch out in the middle of nowhere and car was in a deep ditch out in the middle of nowhere and she didn't have any idea where she was. With Phase II she didn't have any idea where she was. With Phase II and your [LBRS]mapping, it pin-pointed the exact location and your [LBRS]mapping, it pin-pointed the exact location and a Deputy was there in 7 minutes. We hear so many and a Deputy was there in 7 minutes. We hear so many horror stories, I thought I would share a good one. horror stories, I thought I would share a good one. Thanks for the wonderful service you provide.Thanks for the wonderful service you provide.

9-1-1 Coordinator Carol Armitage, Defiance County, OH9-1-1 Coordinator Carol Armitage, Defiance County, OH

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What Our Clients SayWhat Our Clients Say On Saturday, August 23, 2008 at 9:45AM our communications center received a On Saturday, August 23, 2008 at 9:45AM our communications center received a

Phase II wireless 9-1-1 call from a boater who reported his vessel was taking on Phase II wireless 9-1-1 call from a boater who reported his vessel was taking on water.  His location, about 1.5 to 2 miles northwest of Catawba Island, or about water.  His location, about 1.5 to 2 miles northwest of Catawba Island, or about the same distance due south of Green Island, immediately came up on the same distance due south of Green Island, immediately came up on [AccuGlobe E9-1-1 Dispatch] mapping after being received. The dot marking [AccuGlobe E9-1-1 Dispatch] mapping after being received. The dot marking their location appeared to be accurate and as the dispatcher continued to refresh their location appeared to be accurate and as the dispatcher continued to refresh the information she could see the dot move slightly as the vessel was drifting.  the information she could see the dot move slightly as the vessel was drifting.  Using the Lat / Long coordinates provided by [AccuGlobe E9-1-1 Dispatch] Using the Lat / Long coordinates provided by [AccuGlobe E9-1-1 Dispatch] mapping, the Coast Guard and local Marine Patrols were able to go directly to the mapping, the Coast Guard and local Marine Patrols were able to go directly to the scene without wasting time searching based on landmarks the reporting person scene without wasting time searching based on landmarks the reporting person was describing.  By the time the USCG and others arrived the boat was was describing.  By the time the USCG and others arrived the boat was swamped and persons were in the water.  The person on his cell phone was swamped and persons were in the water.  The person on his cell phone was actually swimming and separated from the boat when authorities arrived. actually swimming and separated from the boat when authorities arrived. Persons on the vessel consisted of two adults and a 9-year-old child. All were Persons on the vessel consisted of two adults and a 9-year-old child. All were brought to shore and checked by EMS. No injuries and no treatment required. brought to shore and checked by EMS. No injuries and no treatment required. Something out of the ordinary for mapping rather than tracking someone on land.Something out of the ordinary for mapping rather than tracking someone on land.

Chief Deputy Randy Riedmaier, Ottawa County Sheriff’s OfficeChief Deputy Randy Riedmaier, Ottawa County Sheriff’s Office

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What Our Clients SayWhat Our Clients Say DDTI’s strong GIS reputation was a major factor in selecting them after DDTI’s strong GIS reputation was a major factor in selecting them after

our competitive bidding process. Having developed their own GIS our competitive bidding process. Having developed their own GIS software and with its vast use around the world, DDTI offered the most software and with its vast use around the world, DDTI offered the most robust and cost effective solution for our needs. But with five PSAPs in robust and cost effective solution for our needs. But with five PSAPs in our jurisdiction, the one feature that was most compelling is the ability to our jurisdiction, the one feature that was most compelling is the ability to remotely update all our data on a daily basis utilizing their web-based remotely update all our data on a daily basis utilizing their web-based solutions.solutions.

Emergency Communications District 9-1-1 Coordinator Vince Loveday, Sevier County, Emergency Communications District 9-1-1 Coordinator Vince Loveday, Sevier County, TNTN

Relying on DDTI’s mapping technology and field-verified data has helped Relying on DDTI’s mapping technology and field-verified data has helped us better manage emergency services in our county. We can now us better manage emergency services in our county. We can now accurately locate and track cellular calls, something previously unheard accurately locate and track cellular calls, something previously unheard of. I highly recommend DDTI for their mapping and software solutions.of. I highly recommend DDTI for their mapping and software solutions.

EMA Director Bill Ommert, Huron County, OHEMA Director Bill Ommert, Huron County, OH

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What Our Clients SayWhat Our Clients Say Out of all these years of GIS development, and of all the companies Out of all these years of GIS development, and of all the companies

we have worked with, DDTI is the only one who has delivered on we have worked with, DDTI is the only one who has delivered on what they promise.what they promise.

GIS Manager Shawnda Wenino, Marshall County, INGIS Manager Shawnda Wenino, Marshall County, IN

Thank you for a quality job in performing the E9-1-1 dispatch Thank you for a quality job in performing the E9-1-1 dispatch software training for my deputies. DDTI is one the best vendors I do software training for my deputies. DDTI is one the best vendors I do business with and I appreciate your prompt attention to our needs.business with and I appreciate your prompt attention to our needs.

Captain Steve Westcott, Erie County Sheriff’s OfficeCaptain Steve Westcott, Erie County Sheriff’s Office