1 / 54

Walking access as utility: Latest advances in walkway network modeling and analysis

Explore the latest advances in walkway network modeling and analysis to quantify factors that matter in pedestrian movements. Learn about walking access, walkway network models, and impedance calculation. Workshop topic focuses on assigning impedance to the model.

drule
Download Presentation

Walking access as utility: Latest advances in walkway network modeling and analysis

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. In this highly interactive session we will tackle some of the fundamental questions around how to quantify the factors that matter to pedestrian movements, and how these can be represented by mathematical models.

  2. Walking access as utility: Latest advances in walkway network modeling and analysis Ellen Vanderslice and J. Scott Parker Oregon Walks Portland, Oregon, USA

  3. PART ONE: Initial concepts • Walking access • The walkway network • Walkway network models • Walkway network analysis PART TWO: Workshop topic • Assigning impedance to the model

  4. IMPEDANCE • Cost weight • Friction • Effective distance

  5. PART ONE: Initial concepts • Walking access • The walkway network • Walkway network models • Walkway network analysis

  6. Walking access

  7. Walking access means providing walkway facilitiesthat get people where they want to go

  8. Walking accessIn the utility model we assume 100% demand for walking access from every dwelling

  9. The walkway network

  10. Sidewalk corridors Shortcuts, paths and trails + + Crosswalks = THE WALKWAY NETWORK

  11. Walkway network models

  12. Typical street intersection in the walkway network Typical street intersection in the street network

  13. Walkway network analysis

  14. Walkway Network Analysis Tool Sets • Centerline preparation • Walkway network generation • Impedance calculation • Project Definition • Analysis • Visualization

  15. Centerline Preparation Tools • node ID error fixer • bridge/tunnel fixer • segment splitter • traffic control assigner • mobile app for field data collection for curb ramps

  16. Um,

  17. City of Tigard Street/trail centerline

  18. Walkway Network Generation Tools • Walkway generator • Walkway segment remover • Corner mover

  19. Close up, City of Tigard walkway centerline

  20. Impedance calculator

  21. Attributes for impedance calculation

  22. Dwellings and destinations City of Tigard

  23. Analysis Tool Visualization Tools • Walkshed calculator • Slope-shading to highlight barriers • Table of summary data • Access index symbolizer • Traversal generator • Access index generator

  24. Poster courtesy Metro

  25. Half-mile walkshed

  26. Half a mile from Powell/59th as the crow flies:

  27. Half a mile from Powell/59th comparing crow-fly access with distance-weighted access

  28. Half a mile from Powell/59th comparing crow-fly access and distance-weighted access with traffic-weighted access

  29. Distance-weighted vs. Traffic-weighted

  30. ACCESS INDEX – by node

  31. Access index isolines

  32. Slope-shading to highlight barriers

  33. Project Definition Tool • Project editor

  34. Project 1:Bridge over creek

  35. Results

  36. Access index summary chart

  37. PART TWO: Workshop topic • Assigning impedance to the model

  38. Impedance calculator

  39. Uncontrolled crosswalk

  40. Uncontrolled crosswalk

More Related