5-2 Top 10 Urban Congested Area Rankings: 2014
by hours of delay per car commuter
Notes: Ranks include very large geographic areas only. The methodology was updated to reflect more comprehensive data collection efforts for each of the 471 U.S. urban areas.
Source: As cited in U.S. Department of Transportation, Bureau of Transportation Statistics, National Transportation Statistics, table 1-69, available at www.bts.gov as of October 2016.