Maryland Avenue and Westminster Street Jerry Auge, PE Project Manager Ramsey County Paul St. Martin Traffic Engineer City of St. Paul September 10, 2013
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
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 th ) Phase 2 – Closure of Maryland (Clark – Arkwright) – September 30 – October 20, 2013 Phase 3 – Intersection of Arkwright/Maryland – October 21 – October 28, 2013
Similar Intersection Improvements 5 year Accident History (Maryland and WBA) – Pre Construction crashes – Post Construction – 92 crashes – Reduction of 34% 5 year Accident History (Maryland and Minnehaha) – Pre Construction crashes – Post Construction – 77 crashes – Reduction of 54%
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
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,
Vehicular Movements at Peak Times (20) (80) (150) (70)
Types of Accidents
10 Foot Median Layout
Photos of Impacted Homes
8 Foot Median Layout
4 Foot Median Layout
Cross Section of Roadway
Logistical Issues to Implement Inadequate Right of Way – Timing – Cost – Impacts Increases Construction – Timeline – Costs
“Pork Chop” Layout
Other Items to Consider Community Needs Where are the appropriate Pedestrian Crossing areas – Every block – Signalized intersections Other Factors to consider?
Construct as Bid
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!
County’s Prospective for Study Traffic Accidents/Safety Access Management Mobility Bus/Pedestrians/Bicyclists (Multi Modal)
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
Maryland Avenue Jerry Auge, PE Project Manager Ramsey County Paul St. Martin Traffic Engineer City of St. Paul September 10, 2013