Breakout 1: Intersections & Interchanges
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Breakout 1: Intersections & Interchanges






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Breakout 1: Intersections & Interchanges Presentation Transcript

  • 1. Breakout #1 Intersections/Interchanges UpgradesMichigan Street Corridor PlanCommunity Forum #4October 29, 2012
  • 2. Future Land Use - DRAFT
  • 3. Transportation Vision10 Guiding Principles: General : broad goals of the project Guiding Example Create a transportation system that is accessible, interconnected and multimodal PrinciplesValues: Measurable : desired end event Values Example Provide acceptable traffic operations that support future land useIndicators: Indicators Technical : used to evaluate land use and transportation packages Example Signalized intersections will provide a multimodal Level of Service ‘C’ for all modes & ‘D’ or better for vehicles
  • 4. Multi-Modal Level of Service  Goal is to have a good “quality of service” for travelers of all ages, abilities and types.  Pedestrians  Bicyclists  Transit Users  Emergency Services  Autos  Trucks
  • 5. Bike Alternative Concepts (June 2012)
  • 6. Bike Alternative/Green Infrastructure Concepts(October 2012)
  • 7. Transit Alternatives (June 2012)
  • 8. Transportation Alternatives (June 2012)
  • 9. Work So Far…  Goals were established Identify Land Use Scenarios  Traffic projections based on future land use  Broad alternatives were Evaluation identified, some dropped  Not feasible (engineering) Transportation Alternatives  Inconsistent with design standards  Little benefit for cost  Alternatives included a scenario with 10% more walk, bike and transit trips Preferred Land Use and  Result: still significant Transportation Package congestion at key intersections
  • 10. Future Traffic
  • 11. Findings  Even with the interchange and network changes, there will still be significant traffic increases on Michigan Street from the river to College  Travel Demand Management can help reduce the congestion  Shift more to transit, walking, bicycling  Off-peak shift hours  Off-corridor parking shuttles  Variable pricing of parking  Telecommuting  Will still need to redesign the Michigan/College intersection
  • 12. Refined Alternatives (October 2012)
  • 13. Interchange Area Alternatives
  • 14. Michigan/College Intersection Alternatives
  • 15. Transportation Evaluation Michigan Street Transportation Evaluation Matrix Objectives (based on values Indicators Alternative #1 Alternative #2 Alternative #3 Alternative #4 identified in the process) Accommodate development but shift more Reduction in the number and length of accessble, interconnected, and Transportation System that is travel to walking, biking and transit use auto trips, esp. single occupant auto trips; (i.e. "mode shift") to reduce congestion predicuted pct of walking, bike and transit Principle: Create a trips trips Increase in ridership, decrease in multimodal Integrate transit with key transit routes throughput times, improved travel and other modes of travel to increase reliability, stop/station sidewalk ridership connectivity and ped/bike amenities, use of park and ride lots Improve bike travel through thestreet Bike quality index, number of miles of network in the study area for all types of designated bike routes existing and potential bicyclists Principle: Safely and efficiently ages and abilities through the move people and goods of all Improve the performance of the overall Population and employment to VMT ratios transportation system Supports the buildout of the land use Intersection Delay (peak Hr auto LOS D or corridor scenarios with acceptable traffic better), Corridor throughput time; operations without shifting through-traffic potential shift of auto or truck travel onto to the neighborhoods neighborhood streets Retain or improve emergency vehicle Emergency response vehicle travel times response times that is walkable, accessible and Principle: Improve the identify of the corridor as a "place" Safety, reduce crash frequency and Relavite expected number and severity of severity (all types) crashes Potential for wider sidewalks, room for Increase walking and improve pedestrian amenities, more frequent and convenient safe environment that will improve public crossings, including for those with health outcomes disabilities Space for distinguishing features that Potential to promote creation of a distinct contribute to the use and enjoyment of the character for the corridor in both the planned plazas, open space and walking public and private realm along the street Principle: Provide a healthy living % of corridor redesigned, "walk score" active living and increases clean Encourage walking with inviting environment that promotes and/or multi-modal quality of service streetscapes, "buffer" from autos, vibrant factors, increase in ADA crossings, addition store fronts, convenient pedestrian of street level pedestrian attractors and crossings, destinations to walk to amenities Amount of imprevious surface, potential to air Stormwater quality have low impact stormwater design infrastructure Decrease per capita VMT and Air quality and traffic volumes, health transportation-related emissions indicators
  • 16. Michigan/College Intersection Alternatives
  • 17. Next Steps  More detailed analysis (modeling) of intersection alternatives  Comparative evaluation of the alternatives  Selection of short and long term solutions  Begin design
  • 18. Thank you! DISCUSSIONPlease fill out a short feedback survey on the back of your forum agenda and leave it in the box at the front of the room.Take some time in the central atrium area to explore the other sessions. Parking & bus passes will be available at the name tag table.