University of Minnesota
http://twin-cities.umn.edu/
612-625-5000

The Accessibility Observatory at the University of Minnesota is the nation's leading resource for the research and application of accessibility-based transportation system evaluation.

Access Across America

This series of reports ranks accessibility to jobs in major U.S. cities by mode:

Auto
Transit
Walking

Study measures effects of congestion on access to jobs by car

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The 2016 edition of Access Across America: Auto estimates the impact of traffic congestion on access to jobs for the 50 largest (by population) metropolitan areas in the United States. The study also ranks access to jobs by car. Cars, trucks, and other private motor vehicles are used for an estimated 86 percent of commuting trips in the United States, making it the most widely used commute mode. Read more about the study.


National Accessibility Evaluation

The National Accessibility Evaluation pooled-fund study measures accessibility to jobs across the entire U.S. Each pooled-fund partner has direct digital access to these detailed accessibility datasets.

The Accessibility Observatory is a program of the Center for Transportation Studies.