Related Experiment Video
Updated: Jul 2, 2025

09:38
The Ladder Rung Walking Task: A Scoring System and its Practical Application.
Published on: June 12, 2009
26.0K
TRansit ACessibility Tool (TRACT): Developing a novel scoring system for public transportation system accessibility.
Erica Twardzik1,2, Jennifer A Schrack1,2, Keshia M Pollack Porter3
1Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA.
Journal of Transport & Health
|February 26, 2024
Summary
Public transportation websites often lack crucial accessibility information, hindering travel for people with disabilities. This study reveals significant gaps in online transit accessibility data, impacting equal access.
Area of Science:
- Public Health
- Transportation Accessibility
- Disability Studies
Background:
- Federal laws mandate equal public transportation access for people with disabilities.
- Persistent accessibility barriers limit effective use of public transit systems.
- Lack of accessible information online restricts transportation planning for disabled individuals.
Purpose of the Study:
- To document the accessibility information provided by public transportation systems.
- To share findings on an open data platform to improve transit accessibility.
- To identify variations in how transit systems present accessibility data online.
Main Methods:
- Reviewed 26 top US public transportation systems based on federal funding.
- Abstracted accessibility information from system websites using two independent reviewers.
- Scored systems on six universal design dimensions: facility, vehicle, policies, rider accommodations, paratransit, and website accessibility.
Main Results:
- The average overall accessibility information score was 31.9 out of 62.
- Significant variations were found across the six accessibility dimensions.
- While paratransit and website accessibility scores were high for some systems, other areas showed considerable deficits.
Conclusions:
- A novel scoring system highlighted significant disparities in online accessibility information.
- Public transportation websites are critical for users to obtain objective accessibility data.
- The absence of comprehensive accessibility information creates barriers and limits equal access for the disability community.

