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Maryland Avenue andArkwright Street
Jerry Auge, PEProject ManagerRamsey County651-266-7117
April 2, 2013
Presentation Topics
• Purpose/Background of Project• Proposed Improvements– Project Limits– Infiltration
• Property Acquisition Update• Costs• Schedule• HSIP Crash Data
Project Purpose
• Improve Safety within the Corridor– Adding Left Turn Lanes on Maryland Avenue– Estimated Accident Reduction of 58%***– Increase Lane Width to 11 feet
• Improve Radii at Intersection of Arkwright St.• Consolidate Driveway Access near Arkwright
St.• Improve Pedestrian Facilities at Intersection
Maryland Ave/Arkwright Intersection
• #1 Rated County Road intersection for Accidents in St. Paul
• Rated #4 – Intersection of Highest Accidents @ 175 crashes– Crash Data for June 2007-2012– ~35 crashes per year
Existing and Proposed Improvements
Existing Maryland Ave at Arkwright St.
• Roadway width 40 feet• Four lane section• Lane width 10 ft• No designated left turn lanes at Arkwright St.• 30 mph
Proposed Maryland Ave at Arkwright St.
• Roadway width 44 feet• Four lane roadway• 2 foot curb and gutter• 11’ left turn lane• 11’ thru lanes• 5’ sidewalk• 5’ boulevard • 30 mph
Proposed Maryland Ave Alignment
Water Quality Improvements
• Watershed requires Improvements• Infiltration/Water Quality Improvements• Necessary for the Proposed Project Imp.• Proposing to install within the Southwest
Corner of Westminster/Maryland.
Proposed Rain Garden
Property Acquisition Update
Parcels within the Project Limits
• Total of 31 Parcels– 4 Commercial Properties– 26 Residential Properties– 1 MnDOT Property
Property Acquisition Update
• Total of 31 Parcels– 1 Property has Settled– 15 Properties Tentatively Settled– 15 Properties Unsettled
North East Quadrant
• 3 Residential Properties• Commercial Property• County/City has Prepared for all Options for
Northeast Quadrant – St. Paul Water/Sewer Division– Other Private Utilities
Project Costs
• Federal Funding $1,363,300• County State Aid Funding $1,350,000• City Funding $1,050,000
• Total Project Costs $3,963,300
Project Schedule
Acquire All Properties May 20, 2013Project Approvals May 2013Advertise Project June 2013Utility Relocations July 2013Start Construction August 2013End Construction October 2013
Project Phasing
• To be Determined– Private/Public Utility Work– Community Input– Project Duration
• Future Open House Meeting (April/May)
Crash Data
Crash Data
• Report Prepared by FHWA (Crash Reduction Factors)
• Iowa State and Iowa Department of Transportation Study (Effectiveness of Roadway Safety Improvements)
• FHWA – Tool Box of Counter Measures
Data In Reports
• Estimated Crash Reduction to be Expected• Provide 12 Tables (FHWA)grouped as:– Intersections– Roadways– Non Intersection Crashes– Pedestrian Crashes
• Tables provide a compiled Crash Reduction Factor (CRF)
Maryland Avenue at Arkwright Street(Intersection)
• CRF Incorporate this Information:
– Minor Traffic Volumes– Reference– Intersections Observed– Crash Reduction Factor– Standard Error– Range
– Crash Type– Crash Severity– Area Type– Configuration– Control– Major Traffic Volumes– Study Type
FHWA (CRF) Table
Maryland Avenue andArkwright Street
Jerry Auge, PEProject ManagerRamsey County651-266-7117
April 2, 2013
