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
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.
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