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United States Department of Transportation United States Department of Transportation

Annual Person-Hours of Highway Traffic Delay Per Auto Commuter

Embedded Dataset Excel:

Dataset Excel:



The urban areas included are those containing over 500,000 people and several smaller places mostly chosen by previous sponsors of the Texas Transportation Institute study on mobility.

Methodology and data sources have been changed in 2019 and were applied retroactively to past years; these figures are not comparable to those in past editions of NTS. Population group is based on 2017 population.


KEY: NA = not applicable; R = revised. 

Very large urban areas – 3 million and over population.

Large urban areas – 1 million to less than 3 million population.

Medium urban areas – 500,000 to less than 1 million population.

Small urban areas – less than 500,000 population.

a Percent changes were calculated using the numbers in this table and were not obtained from the source. Rank is based on the calculated percent change with the highest number corresponding to a rank of 1.


Texas Transportation Institute, 2019 Urban Mobility Report, (College Station, TX: 2019), available at as of Oct. 1, 2019.