1 / 13

Measuring Route-Level Accessibility: Applications to San Francisco Network

Measuring Route-Level Accessibility: Applications to San Francisco Network. Jennifer Ziebarth , Neema Nasir , Elizabeth Sall , Lisa Zorn. TRB Planning Applications Conference May 9, 2013. Route-level accessibility. Many paths. One path. Creating a bicycle route choice model.

kirk
Download Presentation

Measuring Route-Level Accessibility: Applications to San Francisco Network

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Measuring Route-Level Accessibility: Applications to San Francisco Network Jennifer Ziebarth, NeemaNasir, Elizabeth Sall, Lisa Zorn SAN FRANCISCO COUNTY TRANSPORTATION AUTHORITY TRB Planning Applications Conference May 9, 2013

  2. Route-level accessibility • Many paths One path SAN FRANCISCO COUNTY TRANSPORTATION AUTHORITY

  3. Creating a bicycle route choice model Hood, Sall, Charlton: “A GPS-based bicycle route choice model for San Francisco, California”. Transportation Letters (2011) 3: (63-75). SAN FRANCISCO COUNTY TRANSPORTATION AUTHORITY

  4. Route-level accessibility from Ferry Building SAN FRANCISCO COUNTY TRANSPORTATION AUTHORITY

  5. If we build it … they will run away?? SAN FRANCISCO COUNTY TRANSPORTATION AUTHORITY

  6. Routes are correlated with each other SAN FRANCISCO COUNTY TRANSPORTATION AUTHORITY

  7. It all comes down to the pathsize correction Pathsizecorrection Pathutility After Before Before After SAN FRANCISCO COUNTY TRANSPORTATION AUTHORITY

  8. Valencia paradox Before After SAN FRANCISCO COUNTY TRANSPORTATION AUTHORITY

  9. Bierlaire and Frejinger SAN FRANCISCO COUNTY TRANSPORTATION AUTHORITY

  10. Pathsize Penalty algorithm • Path 3 • Path 2 Path1 SAN FRANCISCO COUNTY TRANSPORTATION AUTHORITY

  11. Sensitivity testing, revisited SAN FRANCISCO COUNTY TRANSPORTATION AUTHORITY

  12. One path versus many 5paths 1 path 10paths SAN FRANCISCO COUNTY TRANSPORTATION AUTHORITY

  13. Thank you! • Special thanks to: • Elizabeth Sall, Lisa Zorn, Neema Nassir, • Jeff Hood, John Bowman, • Dan Tischler, AlirezaKhani SAN FRANCISCO COUNTY TRANSPORTATION AUTHORITY

More Related