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On-Going Research

On-Going Research. 2008 Golden , CO - HAWK. On-Going Research. 2009 Oakland Co, Michigan – Maple & Drake. North. Oakland County, MI Study. ADA Study phases Ph I – pre-installation of the HAWK or RRFB

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On-Going Research

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  1. On-Going Research 2008 Golden, CO - HAWK

  2. On-Going Research 2009 Oakland Co, Michigan – Maple & Drake North

  3. Oakland County, MI Study • ADA Study phases • Ph I – pre-installation of the HAWK or RRFB • Ph II – shortly after HAWK or RRFB installation (Maple/Drake August 2009, Maple/Farmington, Feb 2010) • Ph III – 3-6 months after installation.

  4. HAWK Conceptual View

  5. Oakland County, MI Study 2010 – Maple & Farmington RectangularRapid FlashBeacon (RRFB)

  6. Design Approach for Pedestrian Safety & Accessibility • Eliminate/ Reduce Conflict Points • Grade Separation • Simplify Geometry • Eliminate or reduce entry/exit lanes • Reorient pedestrian networks away from Roundabout

  7. Design Approach for Pedestrian Safety & Accessibility • Reducing/Minimizing Pedestrian Exposure • Simplify Roundabout Geometry • Geometric Improvements • Bulb outs • Raised cross walks • Ped Signalization • ITS Solutions • Police Enforcement

  8. Design Approach for Pedestrian Safety & Accessibility • Improve Gap Detection for Visually Impaired Pedestrians • ITS Solutions • Noise Producing Solutions to Provide Audible Cues • Minimize Crossing Distances • Shift Crossings away from Roundabout

  9. Fewer Conflict Points

  10. Practical Applications • Separate Motorized & Non Motorized Movements • Pedestrian Tunnel (Bad Aibling, Germany)

  11. Practical Applications Simplify Geometry at Towson Roundabout

  12. Practical Applications • Geometry at Maple & Drake Roundabout

  13. On-Going Research 2008 Swaunee, GA - HAWK

  14. ITE Roundabout Taskforce Major updates to FHWA Guide, MUTCD, AASHTO Greenbook, and HCM all due within next year. Goal - “One-Stop Shop” for Roundabout Info Wiki site, similar to Ped/Bike site, to be operational by early 2010. Toolbox

  15. ITE Roundabout Taskforce • ITE Roundabout Task Force: http://www.ite.org/councils/Safety/roundabout.asp • Secretary & Local Task Force Coordinator: • Michael P. Mastaglio, PE mmastaglio@rkk.com • Task Force Technical Advisor: • Andrew T. Duerr, PE aduerr@rkk.com

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