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09_11_17 East_West Corridor Connectivity Study Slide Presentation UpdatedEast--West Corridor West Corridor Connectivity Study Connectivity Study –– Study Recommendations November 17, 2009 HDR in association with IIW Engineers & Surveyors, P.C. Presentation Outline •Review Study Process •Review Previous Input –City Council Workshop –Stakeholders –Long Range Planning Advisory Commission •Review Recommended Concept –Process to Identify –Recommended Concept –Improvement Priorities •Next Steps Review Review Technical Corridor Draft Study Kickoff ScreeningResults Meeting Public Involvement Public Involvement Corridor ScreeningReview Draft Study Results Review City Council City Council Concepts / Corridor ScreeningReview Draft Study Results Screening Data Collection Corridor Concept Development / Prepare ScreeningTraffic SimulationReport Corridor Screening Traffic Projections (ECIA) Consultant Data Collection Review Data Collected Site Visits Prepare Draft Report Identify Bottlenecks Perform Planning Level Capacity Videotape Corridors Incorporate City / Public Input Identify Potential Improvements Checks Travel Time Runs Prepare Final Report Traffic Simulation Brainstorm Range of Potential Concept Development Improvements Obtain City Data Project Sequencing Perform TransCAD Screening Analysis GIS Document Analysis Master Trail Plan Transit Maps Existing Utilities Evaluation / Refinement Criteria Traffic Operations Evaluation Criteria Obtain ECIA and Construction Costs / Impacts Diversion Potential Iowa DOT Data Diversion Potential Impact on US 20 Traffic LRTP Public / City Council Input General Costs / Impacts Traffic Counts Public Acceptance Public / City Council Input Public Acceptance Previous City Council Work Session –Presented July 2009 –Reviewed Corridor Screening Scenarios 19 – 22, TDM Strategies & Typical Sections Incorporating Bicycle Accommodations –General Direction •Major ROW or Parking Impacts not Feasible •ROW Impacts may be Considered on University Avenue Overlap Section •Enhanced Bicycle / Pedestrian Accommodations Should be Considered Stakeholder/Agency Coordination •Held September 16 & 17 –11 Individual Meetings –Presented Recommended Concept •Signals vs. Roundabouts for University Avenue Overlap Section –Priorities •University Avenue Overlap Section •Improving Skewed Intersections Long Range Planning Advisory Commission Coordination •Held September 16 –Presented Recommended Concept •Signals vs. Roundabouts for University Avenue Overlap Section –LRPAC Response •Very Supportive of Roundabouts •Travel Demand Management •Complete Streets •Asbury Road/University Avenue Process to Identify Recommended Concept –Safety –Traffic Operations –Complete Streets –Property Impacts –Sustainability –Technical Staff Input –Stakeholder Input Complete Recommend Concept - Streets Bike Lanes A “Complete Street” is safe, comfortable and convenient for travel via automobile, foot, bicycle, and transit. Complete Streets Example High Visibility Crosswalk Recommended Concept Overview Immediate Recommendation: Reserve Right of Way •Existing WilbrichtLn./Asbury Rd. –NW Corner –Redevelopment Plans Being Considered •Asbury Rd./University Ave. –NE Corner –Currently Vacant •Delhi St./University Ave. –Existing House for Sale Immediate Recommendation: Removing Parking and Convert to 3-lane Section •Asbury Road –East of NW Arterial to University Ave. •Pennsylvania Avenue –VizaleeaDr. to University Ave. •Benefits –Traffic Operations –Safety –Consistent with Long-Term Improvements Immediate Recommendation: Add Sharrows •Asbury Road –NW Arterial to University Ave. •Pennsylvania Avenue –NW Arterial to University Ave. •University Avenue –East of LorasBlvd. and west of Booth St. •LorasBoulevard –University Ave. to Alta Vista St. •Benefit –Accommodate Bicyclists High Priority –University Avenue Overlap Section •2 Options Evaluated: Signalized Intersections and Roundabouts •Evaluation Considerations –Safety –Traffic Operations –Complete Streets –Cost •Coordination –Technical Staff –Stakeholders High Priority –University Avenue Overlap Section RoundaboutsSignals Full Property Acquisitions 1514 Cost (Construction+ ROW) $5.4M$5.8M Traffic Operations AcceptableAcceptable Safety PreferredAcceptable Complete Streets PreferredAcceptable High Priority –University Avenue Overlap Section •Benefits of Roundabouts –Safety •Vehicle-to-Vehicle Conflict Points: 32 versus 8 •Vehicle-to-Pedestrian Conflict Points: 24 versus 8 •Crashes Less Severe –Slower Speeds –Left-turn, Right Angle and Head-on Crashes Eliminated •Single Circulating Direction –Less Decisions for Drivers High Priority –University Avenue Overlap Section •Benefits of Roundabouts (continued) –Safety (continued) •Pedestrians Cross Each Direction of Traffic Separately •Bicyclists –Complete Streets Compatibility –Reduction in Off-Peak Delay –Long-term Maintenance Cost Savings Recommended Concepts •University Avenue Overlap Section –Roundabout and Signalized Concepts –Animation •Asbury Road east of Northwest Arterial •University Avenue / LorasBoulevard •Pennsylvania Avenue •Asbury Road west of Northwest Arterial Additional Considerations •Grandview Ave./Delhi St./Grace St. 5-leg Intersection thth •University Ave./Hill St./W 9St./W 8St. •University Ave. and Delhi St. –Acquire Right of Way from LorasBlvd. to 5- leg Intersection for Bicycle and Pedestrian Accommodations Next Steps •Finalize East West Corridor Connectivity Study Recommendations •City Council Endorsement of East-West Corridor Connectivity Study •Prioritize Improvements and Incorporate into CIP and Long Range Transportation Plans •Implement Proposed Improvements Discussion/QuestionsDiscussion/Questions