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Rapid Policy Assessment Training October 2015 Maren Outwater and Erich Rentz

Rapid Policy Assessment Training - Transportation

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Page 1: Rapid Policy Assessment Training - Transportation

Rapid Policy Assessment Training

October 2015

Maren Outwater and Erich Rentz

Page 2: Rapid Policy Assessment Training - Transportation

Section Schedule

1. Background 20 minutes

2. Scenario Planning 30 minutes

3. Urban Form 30 minutes

4. Accessibility 20 minutes

5. Induced Demand and Feedback 20 minutes

6. Performance Metrics 60 minutes

Overview of Presentation

Page 3: Rapid Policy Assessment Training - Transportation

Background

Page 4: Rapid Policy Assessment Training - Transportation

Learning Objectives

1. What is scenario planning?2. How does it help me evaluate

land use and transportation policies?

3. What are strategic models and how can they help?

4. How do I communicate results?

RPAT is a strategic model that conducts scenario planning to evaluate land use and transportation policies.

Page 5: Rapid Policy Assessment Training - Transportation

• What are the key components?

• What are factors that drive their development?

A group of participants who are engaged in a data driven communication process that seeks to:

– Ask questions – Develop answers– Come to agreement on common

problems and solutions

A Definition of Scenario Planning

Page 6: Rapid Policy Assessment Training - Transportation

Land Use Scenarios

Measures

• Proportion of Population and Employment by Place Type

• Population and Employment Densities by Place Type

• Built Environment– Location of population and employment by place type

• Demand Management Policies– Vanpool– Telecommuting

Area Type

DevelopmentType Urban Core Close in

Community Suburban Rural

Residential

Employment

Mixed-Use Transit Oriented

Development Rural/

Greenfield

- Ridesharing- Transit pass programs

Page 7: Rapid Policy Assessment Training - Transportation

Travel Demand

• Changes in population demographics

• Changes in personal income

• Changes in firm size or industry

• Auto and light truck proportions by year

• Induced demand –short term impacts

Transportation Policies

• Vehicle miles traveled charges

• Parking pricing programs

• Intelligent transportation system strategies for freeways and arterials

Transportation Scenarios

Transportation Supply

• Amount of regional transit service

• Amount of freeway and arterial capacity

Page 8: Rapid Policy Assessment Training - Transportation

• Support strategic planning efforts• Consider many possible scenarios • Combines higher level analysis of the transportation

supply with individual characteristics of travel demand, built environment, and policies– Growth by place type– Households (persons by age and income)– Firms (employees and industry)– Income growth– Truck and bus VMT– Accessibility– Congestion– Induced growth– Policy benefits

• Easy to apply and run quickly

• Bridge the Gap

Strategic Models for Integrated Land Use and Transportation

Regional Visioning

Strategic Models

TransportationPlans

Page 9: Rapid Policy Assessment Training - Transportation

Communicating Results

• Evaluate scenarios across a range of performance metrics– Community Impacts– Travel Impacts– Environmental and Energy Impacts– Financial and Economic Impacts– Location Impacts

• Compare multiple scenarios at a time graphically to quickly assess results

Comparison of Daily Vehicle Mile Traveled by Scenario

Page 10: Rapid Policy Assessment Training - Transportation

• Disaggregate policy model

• Predicts transportation impacts of growth patterns and transportation policies

Rapid Policy Assessment Tool Process

Page 11: Rapid Policy Assessment Training - Transportation

RPAT Model Components

• Captures individual household and firm characteristics

• Captures interactions between policies

• Spatial results are by place type

1. Household Synthesis2. Firm Synthesis3. Urban Form4. Accessibility5. Vehicles6. Auto Travel Demand7. Truck and Bus Travel Demand8. Congestion9. Induced Demand10.Policy Benefits

Page 12: Rapid Policy Assessment Training - Transportation

Household and Firm Synthesis

• Households– Persons by Age

from Census data– HH Income

from Bureau of Economic Analysis data

• Firms– Employees– Industry

from County Business Pattern data

• Data can be updated from local sources

Page 13: Rapid Policy Assessment Training - Transportation

• Predicts Place Types– Area Types (4)– Development

Patterns (4)• Based on Households

with – Working age persons– Children– Seniors

• Adjusted to fit regional totals

Urban Form Models

Page 14: Rapid Policy Assessment Training - Transportation

Inputs

• Freeway Lane Miles• Transit Revenue Miles

(annual bus and rail revenue miles per capita)

Outputs

• Freeway Lane Miles per Person

• Transit Revenue Miles per Person

Accessibility

• Relates both transit and auto accessibility to travel behavior.

• Used in vehicle ownership models and vehicle miles traveled models.

Page 15: Rapid Policy Assessment Training - Transportation

• Predicts number of vehicle for each household– Autos– Bikes– Light Trucks

• Predicts vehicles by age/ fuel efficiency• Based on

– Number of persons of driving age– Elderly persons– Household income– Population density– Freeway and transit supply– Urban mixed-use area

Vehicle Models

Page 16: Rapid Policy Assessment Training - Transportation

Travel Demand Models

• Truck VMT is based on changes in regional household income

• Bus VMT is calculated from bus revenue miles

• Predicts Vehicle Miles Traveled for each Household– Autos and Light Trucks– Heavy Trucks– Buses and Passenger Rail

• Based on– Household income– Population density– Number of household vehicles– Freeway and transit supply– Driving age persons in household– Elderly persons in household– Mixed use development

Page 17: Rapid Policy Assessment Training - Transportation

Three aspects are represented:1. VMT is allocated to freeways and

arterials by congestion level2. Speeds and fuel economies are

calculated for freeways and arterials3. Congestion in local areas is

estimated from increased activity

Congestion is part of a feedback loop between changes in each scenario and induced growth

Accounting for Congestion

Page 18: Rapid Policy Assessment Training - Transportation

• Definition– Additional demand resulting from adding

transportation supply• Short Term – Induced Demand

– Changes in road supply, function of speed– Potential mode and route shift

• Long Term – Induced Growth– Changes in growth patterns resulting from changes

in travel patterns

Induced Demand

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Direct Travel Impacts• Daily VMT• Daily Vehicle Trips• Daily Transit Trips• Peak Travel Speeds

by Facility Type• Vehicle Hours of

Travel• Vehicle Hours of

DelayCommunity Impacts• Public Health

Impacts and Costs• Equity Impacts

Environment and Energy Impacts• Fuel Consumption• Greenhouse Gas

Emissions• Criteria EmissionsFinancial and Economic Impacts• Regional Highway

Infrastructure Costs• Regional Transit

Infrastructure and Operating Costs

• Annual Traveler Cost

Performance Metrics

Land Market and Location Impacts

• Regional Accessibility

Page 20: Rapid Policy Assessment Training - Transportation

Scenario Planning

Page 21: Rapid Policy Assessment Training - Transportation

Scenario Planning Framework

• Scenario planning provides a framework for developing a shared vision for the future by analyzing various forces that affect growth– Health– Transportation– Economics– Environmental– Land use

Page 22: Rapid Policy Assessment Training - Transportation

• Helps agencies engage in a more informed and strategic transportation decision-making process.

• Used in conjunction with a charrette or chips games, can help stakeholders better understand and visualize future transportation and land use patterns.

• Scenario planning software programs can also help develop and assess scenarios, visualize the differences between alternatives, and encourage stakeholder participation.

Benefits of Scenario Planning

Page 23: Rapid Policy Assessment Training - Transportation

Scenario Planning at FHWA/FTA

• Workshops and Peer Exchanges• Webinar series to promote Scenario

Planning• Innovative Research• Publications, Case Studies

– Scenario Planning Guidebook•Six-Phases

– State of the Practice Report•Survey of MPOs on current practices

Page 24: Rapid Policy Assessment Training - Transportation

Needs for a Data Driven Process

• Understand critical decision points in the transportation planning process and how land use affects demand for transportation capacity.

• Represent the dynamics and inter-relationships of land use strategies with the performance of a transportation investment.

• Facilitate improved communication, interaction, and partnerships between decision-makers and planners in transportation and land use arenas.

Land Use

Transportation

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• Process maps for State DOTs and MPOs

• Areas where smart growth levers can be used

– Policy Studies– Planning studies– Programming– Implementation

Decision Points for Smart Growth in Planning Process

Page 26: Rapid Policy Assessment Training - Transportation

Practitioner Information Needs Survey

• Develop a tool that can be used by land use and transportation planners to provide opportunities for interaction on common goals

• Most agencies are interested in scenario planning as a strategy for evaluating land use policies

• Many agencies need coordination, cooperation, and communication with local governments on land use policy, since land use regulations are governed by local governments

• Agencies also want to understand– Induced demand– Travel demand management– Urban form– Congestion reduction– Outcomes and performance

Page 27: Rapid Policy Assessment Training - Transportation

Topic Well-EstablishedRelationships Gaps in Research

Built environment impact on peak auto demand

Impact on daily travel Impact by time of day

Mobility by mode and purpose Impact on daily travel Impact by trip purpose

Induced traffic and induced growth

Capacity expansion on an expanded facility

Route shifts, time of day shifts, mode shifts,induced trips, new destinations, growth shifts on the network, effects of operational improvements, land use plans

Relationship between smart growth and congestion

Localized effects Macro-level or regional effects

Smart growth and freight Freight is necessary for population centers

Impacts of loading docks, truck routing, full-cost pricing, freight facilities and crossings, inter-firm cooperation, stakeholder communication

Gaps in Research

Page 28: Rapid Policy Assessment Training - Transportation

Breakout #1: Applying Scenario Planning with RPAT

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Step #1: Identify Your Scenarios

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6 DCHC Tested Scenarios:1. 2040 MTP - Baseline2. E+C: 18% Reduction of Roadway Construction3. Hwy: 9.8% Increase of Roadway Construction4. TRN: 276% Rail Mile Increase, 12% Bus mile

Reduction and 9.4% Reduction of roadway construction

5. Shift 15% Growth to Dense Areas6. Shift 15% Growth to Dense Areas with 15% lane mile

ITS treatment

Sample Scenarios

Page 31: Rapid Policy Assessment Training - Transportation

6 DCHC Tested Scenarios:1. 2040 MTP - Baseline2. E+C: 18% Reduction of Roadway Construction3. Hwy: 9.8% Increase of Roadway Construction4. TRN: 276% Rail Mile Increase, 12% Bus mile

Reduction and 9.4% Reduction of roadway construction

5. Shift 15% Growth to Dense Areas6. Shift 15% Growth to Dense Areas with 15% lane mile

ITS treatment

Sample Scenarios

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Step #2: Create New Scenario in RPAT

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Create New Scenario in RPAT

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View Existing Scenarios

Existing Scenarios

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Add a New Scenario

Click to add a new scenario

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Create New Scenario

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Add Scenario Name

Enter a name for your new scenario

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Copy Settings from Existing Scenario

Choose an existing scenario to copy from

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Create New Scenario

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View List of Scenarios

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Step #3: Update Scenario Input Variables

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Update Scenario Input Variables

Click “Scenarios” to adjust your new scenario

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Update Scenario Input Variables

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Select New Scenario

Use the “Active Scenario” menu to select your new scenario

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View Parameters

The “Parameters” are inherited from the base year; developed from extensive background research, adjust with caution.

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Update Scenario Input Variables

The “Scenario Inputs” are inherited from the base year; adjust to create your scenario!

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Update Scenario Input Variables

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Adjust Transit Supply

First, adjust population and jobs by place type

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Adjust Transit Supply

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Review Documentation

Documentation for the input table will open automatically

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Adjust Bus and Rail Supply

Variables of interest to be adjusted

Page 52: Rapid Policy Assessment Training - Transportation

Update Scenario Input Variables

Highlight variables and update their values

Make the following changes:• Sub R – PopGrowth =

0.15• Sub E – EmpGrowth =

0.05• UC R – PopGrowth =

0.25• UC E – EmpGrowth =

0.25

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Save Scenario Inputs

Remember to save!

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Update Scenario Input Variables

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Adjust ITS Policy

Now adjust the ITS policy

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Adjust ITS Policy

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Adjust ITS Policy

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Adjust ITS Policy

Variable of interest to be adjusted

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Adjust ITS Policy

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Update Scenario Input Variables

Remember that we do not need to update the

‘% Growth…’ variable because it was inherited from S6 when we created

this scenario

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Step #4: Run the Scenario

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Run the Scenario

Click to navigate to the page to run the model for the updated scenario

Page 63: Rapid Policy Assessment Training - Transportation

Run the Scenario

Page 64: Rapid Policy Assessment Training - Transportation

Run the Scenario

Click to run the model for the updated scenario

Page 65: Rapid Policy Assessment Training - Transportation

Run the Scenario

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Run the Scenario

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Congratulations! You have setup and run a scenario in RPAT!

Page 68: Rapid Policy Assessment Training - Transportation

Urban Form

Page 69: Rapid Policy Assessment Training - Transportation

Place Types

• Urban Core– High-density mixed use places– High job to housing ratios– Well connected streets– High levels of pedestrian activity

• Close in Community– Primarily housing– Some mixed use centers and arterial corridors– Adjacent to downtown areas

• Suburban – Low level of integration of housing with jobs, retail,

and services– Poorly connected street networks– Low levels of transit service– Limited pedestrian facilities

• Rural– Widely dispersed towns and residential uses– Little or no transit– Limited pedestrian facilities

A place type refers to all of the characteristics of a developed area including the types of uses included, the mix of uses, the density, and the intensity of uses.

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• Residential– Primarily housing– Limited employment and retail opportunities– All place types except rural

• Commercial– Focused on employment– Limited retail and residential– All place types except rural

• Mixed-Use– Mix of residential, commercial, and retail uses– Found in Close in Communities and Urban Core

place types• Transit Oriented Development (TOD)

– Greater access to transit– All place types except rural

Greenfields are undeveloped land in a rural area either used for agriculture, landscape design, or left to evolve naturally. These areas of land are properties being considered for urban development.

Development Patterns

Page 71: Rapid Policy Assessment Training - Transportation

• Smart Growth Transect– Thomas Comitta

Associates, 2010• Caltrans Mobility

Handbook– 2010

• Reconnecting America– Center for Transit-

Oriented Development, 2010

Urban Form Sources

Page 72: Rapid Policy Assessment Training - Transportation

• Percent Growth in each Place Type is developed to achieve growth targets.– This evaluation is

outside RPAT.

Building a Land Use Scenario

Area Type

DevelopmentType Urban Core Close in

Community Suburban Rural

Residential

Employment

Mixed-Use Transit Oriented

Development Rural/

Greenfield

• More compact development would have higher increases in both population and employment in the urban core and close in communities and no development in suburban and rural areas.

• Trend development would have higher increases in residential suburban areas, assuming this was the trend for a particular region.

Page 73: Rapid Policy Assessment Training - Transportation

• Households are allocated based on – 1 person of working age– 2+ people of working age– With children– All persons 65+ years old– Data from National Household Travel Survey (NHTS)

• Firms are allocated randomly– Regional data may be useful to identify these

relationships

Urban Form Models

Page 74: Rapid Policy Assessment Training - Transportation

• Allocates households and firms individually to a place type until control totals are matched.

Urban Form Model Process

Step 1 and 2Household and

Firm Models

Step 3Urban Form

Models

Total Households and Firms by Place

Type

% Growth by Place

Type

Individual Households and Firms by Place

Type

Model Component

Data Input

Model Output

Page 75: Rapid Policy Assessment Training - Transportation

Urban Form Effects on Vehicle Ownership

Urban Area

Urban Mixed-Use

Area

Pop-ulationDensity

House-hold

Income

Elderly Pop-

ulations

Transit Revenue

Miles

Freeway Lane Miles

Urban Area Urban Mixed-Use Area

Population Density Household Income Elderly Populations Transit Revenue Miles

Freeway Lane Miles

• Some effects are interacted with other variables to include the effects from a combination of variables.

Page 76: Rapid Policy Assessment Training - Transportation

Urban Form Effects on Vehicle Ownership

Vehicle Age Model

Household Income

Population Data

Zero Vehicle Models

Highway and Transit

Supply

Model Component

Data Input

Model OutputVehicles by Age

Vehicle Type Model

More Drivers than Vehicles

Models

Equal Drivers and Vehicles

Models

Less Drivers than Vehicles

Models

Urban Form Data

Vehicles per Household

Light Truck Proportions

Non-Motorized Vehicle Model

Non-Motorized Vehicles

Fuel Efficiency

Page 77: Rapid Policy Assessment Training - Transportation

• Predicts the change in travel for each household due to changes in urban form.

Urban Form Effects on Travel

Category Urban Form Description

Elasticity for Change in

VMT

Vehicle trip decrease

Transit trip increase

Density Household/Population Density -0.04 -0.043 0.07

Diversity Land Use Mix (entropy) -0.09 -0.051 0.12

Design Intersection/Street Density -0.12 -0.031 0.23

Distance to Transit

Distance to Nearest Transit Stop -0.05 -0.036 0.29

Page 78: Rapid Policy Assessment Training - Transportation

Case Study #1: Oregon Department of Transportation

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Accessibility and Travel Impacts

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• Definition– Amount of bus and electrified rail and highway

supply• Allocated to each household

– Relative to demographics and urban form• Affects household decisions

– Vehicle ownership– Travel demand

Accessibility

Page 82: Rapid Policy Assessment Training - Transportation

• Supply used in vehicle and travel models

Transportation Supply

Step 1 and 2Household and

Firm Models

Step 3Urban Form

Models

Step 4Accessibility

Models

Highway and Transit Supply

Step 5Vehicle Models

Step 6 and 7Travel Demand

Models

Step 8Congestion

% Increase in Highway and

Transit Supply

Step 9 and 10Policy Adjusted Travel Demand

Feedback for Policy Benefits

Feedback for Induced

Growth and Travel

Scenario Input

Model Component

Data Input

Feedback Loop

Page 83: Rapid Policy Assessment Training - Transportation

• Transit accessibility– Transit revenue miles allocated to each household

• Auto accessibility– Freeway lane miles allocated to each household

Accessibility Process

Page 84: Rapid Policy Assessment Training - Transportation

Transit Revenue Miles Interacted with

1. Household Income2. Population Density3. Elderly Populations4. Freeway Lane Miles5. Urban Areas6. Urban Mixed Use

Areas

Freeway Lane Miles Interacted with

1. Population Density2. Elderly Populations3. Transit Revenue

Miles4. Urban Mixed Use

Areas

Accessibility Measures

Each of these is also measured on a per capita basis

Page 85: Rapid Policy Assessment Training - Transportation

Vehicle Miles Traveled Model Process

Page 86: Rapid Policy Assessment Training - Transportation

1. Predicts households that don’t travel by car2. Predicts vehicle miles traveled for car travelers

– Higher incomes, more vehicles, more drivers, more freeways increase VMT

– No vehicles, higher population density, more transit service, living in urban mixed use areas decrease VMT

Auto Travel Demand Models

Page 87: Rapid Policy Assessment Training - Transportation

Household Budget Model

• Households make their travel decisions within money and time budget constraints– Travel within budget is less sensitive to

changes in price– Travel exceeding budget is very sensitive to

changes in price

• Household budgets are assumed at 10% of income– Budget cost per mile estimated from base

average miles traveled

• Allows pricing strategies to be tested for each household

Household budgeting provides a necessary reality to making travel decisions. As fuel price increases, household travel will decrease at or above household budgets.

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• Transit revenue miles increased to account for non-revenue service miles (12%)

Assumptions can be adjusted with local data sources

Transit and Truck Miles

• Heavy truck VMT is a function of growth in regional income

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Induced Demand and Congestion

Page 90: Rapid Policy Assessment Training - Transportation

• Induced Demand is – Calculated for changes in roadway supply– As a function of speed – Based on potential mode and route shifts

• Represents short term induced demand– Sensitivity for induced demand is based on

research from Robert Cervero (JAPA, 2003)• Long term effects are not included

– Research has not clearly quantified effects

Induced Demand

Page 91: Rapid Policy Assessment Training - Transportation

• Induced demand is included as a feedback from changes in supply and congestion levels

• Predicts changes in vehicle miles traveled

Induced Demand Process

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• For regional facilities– By functional class (freeways and arterials)– By average speed (5 categories)

• For local facilities– By place type (4 types)– Intersection density– Node density

Congestion

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Congestion on Regional Facilities

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Congestion on Local Streets

• Increases in local traffic congestion due to concentration of activity– Compact mixed use areas can

manage traffic effectively with connected street grids

• Elasticities for Local Congestion

Variable Number of nodes

Weighted intersections

Vehicle MilesTraveled -0.380 -0.211

Vehicle HoursTraveled -1.05 -0.58

Percent of VMT on Arterials -1.295 -0.718

A Comparative Assessment of Travel Characteristics for NeotraditionalDesign by McNally and Ryan, 1993

Page 95: Rapid Policy Assessment Training - Transportation

Local Road Network Designs

• NeotraditionalNetwork Design

• Conventional Network Design

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Diversity Rural Suburban Close In Community Urban Core

Mixed Use Not Applicable

18%increase No change No change

Homogenous 36%increase

36%increase No change 22%

decrease

Effects of Urban Form on Local Congestion

• Higher increases in rural and suburban places• Increases in urban core homogenous areas• Increases in suburban mixed use areas

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Feedback for policy benefits and induced demand

Congestion Feedback Process

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Performance Metrics

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Direct Travel Impacts

Daily Vehicle Trips

Daily Transit Trips

Description Vehicle Trip Decrease

Density Household/Population Density -0.043Diversity Land Use Mix (entropy) -0.051Design Intersection/Street Density -0.031Regional Accessibility Job Accessibility By Auto -0.036Distance to Transit Distance to Nearest Transit Stop 0

Description Transit Trip Increase

Density Household/Population Density 0.07Diversity Land Use Mix (entropy) 0.12Design Intersection/Street Density 0.23Regional Accessibility Job Accessiblity By Auto 0Distance to Transit Distance to Nearest Transit Stop 0.29

Page 100: Rapid Policy Assessment Training - Transportation

More Direct Travel Impacts

• Daily Vehicle Miles Traveled- Light VMT for each household and place type- Regional VMT for heavy trucks and buses

• Peak Travel Speeds by Facility Class- VMT by speed bin and class (freeway, arterial, other)- Average speeds by class

• Vehicle Hours of Travel, Delay- Vehicle hours of travel at free flow- Vehicle hours of travel in congestion

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Energy Impacts

• Fuel Consumption- Calculated from VMT and fuel economy, split into fuel

types- Calculated for light vehicles, heavy trucks, and buses

Year

Auto Proportion

Diesel

Auto Proportion

CNG

Lt. Truck Proportion

Diesel

Lt. Truck Proportion

CNG

Gas Proportion

Ethanol

Diesel Proportion Biodiesel

1990 0.007 0 0.04 0 0 0 1995 0.007 0 0.04 0 0 0 2000 0.007 0 0.04 0 0 0 2005 0.007 0 0.04 0 0.1 0.01 2010 0.007 0 0.04 0 0.1 0.05 2015 0.007 0 0.04 0 0.1 0.05 2020 0.007 0 0.04 0 0.1 0.05

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Environmental Impacts

• Greenhouse Gas Emissions- Light vehicles calculated by household- Regional heavy truck and transit emissions

• Criteria Emissions- Emission rates from MOVES 2010a database - Volatile organic compounds (VOC)- Carbon monoxide (CO)- Oxides of nitrogen (NOx) - Sulfur dioxide (SO2)- Particulate matter (PM)

Fuel Type Carbon Intensity (gm per mega joule)

Ultra-low sulfur diesel (USLD) 77.19 Biodiesel 76.81 Reformulated gasoline (RFG) 75.65 CARBOB (gasoline formulated to be blended with ethanol) 75.65 Ethanol 74.88 Compressed natural gas (CNG) 62.14

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Financial & Economic Impacts

• Regional Highway Infrastructure Costs FHWA Highway Economic Requirements System (HERS) Construction costs per lane mile in 2002 dollars

• Regional Transit Infrastructure and Operating Costs National Transit Database (NTD) Net Cost to supply an unlinked passenger trip by mode (2009)

Functional

Classification

Small Urban Small

Urbanized Large

Urbanized

Freeways $3.1 - $11.1 $3.4 - $12.1 $5.7 - $60.0

Principal Arterial $2.6 - $9.4 $2.9 - $10.2 $4.2 -$15.0

Minor Arterial/ Collector $2.0 - $7.0 $2.1 - $7.4 $2.9 - $10.2

Mode Capital Cost Operating Cost Total Cost Fare Revenue Net Cost

Bus $0.71 $3.40 $4.11 $0.91 $3.20

Heavy Rail $1.78 $1.80 $3.58 $1.09 $2.49

Commuter Rail $5.74 $9.80 $15.54 $4.69 $10.85

Light Rail $7.82 $3.00 $10.82 $0.78 $10.04

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More Financial & Economic Impacts

• Annual Traveler Cost - Fuel $0.585 per mile in 2010 for auto users Includes variable costs (gas, oil, maintenance,

and tires) and fixed costs (insurance, license, registration, taxes, depreciation, and finance charges)

• Annual Traveler Cost – Travel Time Urban Mobility Report (TTI) Average travel delay for each metropolitan region Only includes auto users

Page 105: Rapid Policy Assessment Training - Transportation

Location & Community Impacts

• Relative increase in jobs accessibility by auto Function of distribution of growth by place type Weighted by population and employment growth

• Livability FTA criteria Use of alternative modes

― transit vehicle trips― bike ownership

Mixed use land use― mixed use place type― transit oriented development place type

Household transportation expenditures as a function of budget Use of alternative modes by low income households

• Equity Impact Regional accessibility by income group

Page 106: Rapid Policy Assessment Training - Transportation

Community Impacts

• Public Health Impacts and Costs Road safety impacts (daily VMT * 347 = annual VMT)

― Fatal = 1.14 per 100 million VMT― Injury = 51.35 per 100 million VMT― Property damage = 133.95 per 100 million VMT

Amount of walking (proxy for physical fitness)

Emissions (PM, NOX, VOC)

D Description Walking Increase

Density Household/Population Density 0.07Diversity Land Use Mix (entropy) 0.15Design Intersection/Street Density 0.39Regional Accessibility Job Accessibility By Auto 0Distance to Transit Distance to Nearest Transit Stop 0.15

Page 107: Rapid Policy Assessment Training - Transportation

In this example, scenarios 3 and 8 have the highest reduction in vehicle hours of delay (23-24%) due to additional lane miles. Scenario 4 includes ITS treatments, which also reduce congestion a significant amount.

Visualizing Performance Metrics

Title, including Performance

Metric (Vehicle Hours of Delay)

Percent Change in Performance

Metric for each Scenario

Title, including Performance

Metric (Vehicle Hours of Delay)

Scenarios compared against the Base Scenario

Percent Change in Performance

Metric for each Scenario

Axis adjusted for each Performance

Metric

RPAT’s charting is very easy to use and follows a template so each chart can be easily interpreted.

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Case Study #2: Durham-Chapel Hill-Carrboro Metropolitan Planning Organization

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Breakout #2: Generate Performance Measures

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Step #1: Locating Performance Metrics

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Locating Performance Metrics

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Locating RPAT Output Data

RPAT’s output data tables can be found

here

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Locating Output Data Charts

RPAT’s output data

can be charted

here

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Step #2: Navigating the Outputs Directory

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Navigating the Outputs Directory

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Community Impacts

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Direct Travel Impacts

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Environment and Energy Impacts

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Financial and Economic Impacts

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Location Impacts

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Summaries of Inputs

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Daily Vehicle Miles Traveled by Place Type

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Daily VMT Documentation

Documentation for the output table will open automatically

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Step #3: Creating Reports

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Creating Reports

Move to the Reporting

tab

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Creating Reports

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Choosing Scenarios

Choose the Scenarios for your report

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Choosing Measures

Determine the measures to report

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Choosing Performance Metrics

Determine the performance metrics to report

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Report Options

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Running the Report

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Creating Charts

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Congratulations! You have used RPAT to generate

a set of custom reports!

Page 135: Rapid Policy Assessment Training - Transportation

www.rsginc.com

Contacts

www.rsginc.com

Contacts

MAREN OUTWATER, PEVice President

[email protected]

ERICH RENTZ, GISPSenior Analyst

[email protected]

Page 136: Rapid Policy Assessment Training - Transportation

Reports generated by RPAT can be found within the RPAT directory (…/RPAT/projects/project/reports):

Bonus Material!

Page 137: Rapid Policy Assessment Training - Transportation

RPAT performance metrics can be found in their raw form as .RData files and comma separated value (CSV) files within the RPAT directory (…\RPAT\projects\#####\outputs):

Bonus Material!