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Maryland Avenue and Westminster Street Jerry Auge, PE Project Manager Ramsey County Paul St. Martin Traffic Engineer City of St. Paul September 10, 2013
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Presentation Overview Maryland Avenue/Arkwright Project Update Accident Reduction on Similar Intersections with Improvements Maryland Avenue/Westminster Street Accidents Purpose/Background of Discussion – Accident History – Turning Movements/Traffic Counts City/County Staff Potential Layouts Options – 4 foot median – 8 foot median – 10 foot median – “Pork Chops” – Construct as Bid Maryland Avenue Study
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Maryland Avenue/Arkwright Street 2 homes / 1 business removed Phase 1 – Closure of Maryland (Westminster – Arkwright) – September 9 – September 29, 2013 – Closure of South Westminster leg (Sept 11-15 th ) Phase 2 – Closure of Maryland (Clark – Arkwright) – September 30 – October 20, 2013 Phase 3 – Intersection of Arkwright/Maryland – October 21 – October 28, 2013
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Similar Intersection Improvements 5 year Accident History (Maryland and WBA) – Pre Construction - 140 crashes – Post Construction – 92 crashes – Reduction of 34% 5 year Accident History (Maryland and Minnehaha) – Pre Construction - 166 crashes – Post Construction – 77 crashes – Reduction of 54%
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St. Paul’s Shareway Reviewed Crash rate at Westminster is higher than State Average 1.21 (6X State Average) – State Average Crash Rate.2 – Arkwright Crash Rate 3.0 (15X State Average) Maryland Avenue/Arkwright Limits – East of Westminster – Matched MnDOT Project
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Accident Rates At Westminster St. Paul’s Accident Data – Ranked 44 th for intersections (5 years of data) (60) – Pedestrian and Bicycle Accidents (1 each) Ramsey County’s Accident Data – Ranked 82 for intersections (49) Crash Rate MnCMAT, 2007-2011
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Vehicular Movements at Peak Times 40 40 (20) (80) 220 40 (150) (70)
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Types of Accidents
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10 Foot Median Layout
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Photos of Impacted Homes
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8 Foot Median Layout
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4 Foot Median Layout
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Cross Section of Roadway
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Logistical Issues to Implement Inadequate Right of Way – Timing – Cost – Impacts Increases Construction – Timeline – Costs
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“Pork Chop” Layout
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Other Items to Consider Community Needs Where are the appropriate Pedestrian Crossing areas – Every block – Signalized intersections Other Factors to consider?
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Construct as Bid
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Maryland Avenue Corridor Study We have heard from District 5 Loud and Clear! County and City recognize the need 13 out of 82 Maryland Intersections rank in County’s 100 top intersections crashes A study is warranted!
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County’s Prospective for Study Traffic Accidents/Safety Access Management Mobility Bus/Pedestrians/Bicyclists (Multi Modal)
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Scope of Study Interests City of St. Paul Ramsey County Community District Council’s 5 and (2 and 6??) Business Community Other Groups within the Area
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Maryland Avenue Jerry Auge, PE Project Manager Ramsey County Paul St. Martin Traffic Engineer City of St. Paul September 10, 2013
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