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How can we go one step, or one lane, further than the standard road diet? Roundabouts allow a road diet to reduce the final number of lanes from three to two.
Questions arise when roundabouts are used with a road diet. What traffic volumes are supportable? Will the roundabouts fit within existing intersections? What does current guidance tell us about this approach?
Michael Williams will present his work on creating a sequel to FHWA’s Road Diet Informational Guide. This work is intended to provide a feasibility determination tool for the application of this approach to existing corridors. Data from Bird Rock Boulevard in La Jolla, CA is presented as an example from which important lessons are drawn.
Michael Williams' Road Diet V2.0 Informational Guide: Download the report
Michael Williams has worked on active transportation issues since 2000 as an advocate, planner, and designer. He has published and presented on advisory bicycle lanes and the use of roundabouts with road diets. Michael Williams holds a BS in Computer Engineering, an MS in Electrical Engineering, an MS in Civil Engineering and holds 11 patents. More information available at @bikepedx or www.advisorybikelanes.com.
This 60-minute seminar is eligible for 1 hour of professional development credit for AICP (see our provider summary). We can provide an electronic attendance certificate for other types of certification maintenance.
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