Capacity Analysis of Pedestrian Facilities Involving Individuals with Disabilities

Walking facilities are important infrastructures that must be designed to accommodate the behavior of pedestrians in order to be effective. Heterogeneity in pedestrian composition is one important factor generally overlooked in walking facility design guidelines. Particularly, individuals with disabilities are often ignored due to lack of available data on their pedestrian behaviors. A controlled, large-scaled walking experiment involving individuals with disabilities was conducted at Utah State University to observe individual pedestrian behaviors in various walking facilities; these facilities include passageway and bottleneck formations. The purpose of this report is twofold: (1) to model time headway between different individual types using a mixed distribution model, and (2) to estimate passageway and bottleneck capacities and to identify the impacts of involving individuals with disabilities on capacity estimations. Results showed that the proposed model had good performance for pedestrian time headway modeling. Analysis also revealed that visual impaired individuals and individuals using motorized wheelchairs had the minimum and maximum capacity reduction effect on passageways and bottlenecks. The findings are expected to improve the facility capacity estimations required and to meet a preferred level-of-service for heterogeneous populations.


  • English


  • Status: Completed
  • Funding: $90,434.00
  • Contract Numbers:


    TRC 14-12

  • Sponsor Organizations:

    Department of Transportation

    Office of the Assistant Secretary for Research and Technology
    1200 New Jersey Avenue, SE
    Washington, DC  United States  20590
  • Managing Organizations:

    Western Michigan University

    1903 W. Michigan Avenue
    Kalamazoo, MI  United States  49008-5241

    Transportation Research Center for Livable Communities

    Western Michigan University
    Kalamazoo, MI  United States  49009-5316
  • Project Managers:

    Dunn, Denise

  • Performing Organizations:

    Transportation Research Center for Livable Communities

    Western Michigan University
    Kalamazoo, MI  United States  49009-5316

    Utah State University, Logan

    Civil and Environmental Engineering Department
    Logan, UT  United States  84332
  • Principal Investigators:

    Christensen, Keith

    Chen, Anthony

  • Start Date: 20140801
  • Expected Completion Date: 0
  • Actual Completion Date: 20150831
  • USDOT Program: University Transportation Centers
  • Subprogram: Research
  • Source Data: RiP Project 36943

Subject/Index Terms

Filing Info

  • Accession Number: 01532760
  • Record Type: Research project
  • Source Agency: Transportation Research Center for Livable Communities
  • Contract Numbers: DTRT13-G-UTC60, TRC 14-12
  • Files: UTC, RIP
  • Created Date: Aug 6 2014 1:00AM