Top 10 Metropolitan Area Congestion Rankings: 2020

by calendar year average daily minutes of congestion


Minutes of Congestion - the amount of time when freeways operate less than 90 percent of free-flow freeway speeds. Calculated by calendar year for an average duration of daily congestion.

Key: MSA = Metropolitan Statistical Area


U.S. Department of Transportation, Federal Highway Administration, Urban Congestion Report, personal communication.

Last Updated: October 2021