Department of Transportation

American

noun

the department of the U.S. federal government that coordinates and institutes national transportation programs. DOT

Department of Transportation Cultural

A department of the federal executive branch responsible for the national highways and for railroad and airline safety. It also manages Amtrak, the national railroad system, and the Coast Guard.

Example Sentences

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Department of Transportation

The show’s corporate sponsors are companies that the Department of Transportation oversees, and Boeing is one such sponsor.

From Los Angeles Times ● Aug. 26, 2026

Department of Transportation attaching itself to a series paid for by companies it regulates, including United Airlines, Chase Travel, Toyota, Boeing and Royal Caribbean.

From Salon ● Aug. 23, 2026

There have been more than 95 car crashes on Forest Lawn Drive since 2013, according to the city’s Department of Transportation.

From Los Angeles Times ● Aug. 21, 2026

Video from the Ohio Department of Transportation captured the moment a powerful storm swept through the city of Columbus, flipping a vehicle.

From BBC ● Aug. 11, 2026

He worked for the Department of Transportation in Atlanta, Georgia, for two decades.

From "While the World Watched: A Birmingham Bombing Survivor Comes of Age during the Civil Rights Movement" by Carolyn Maull McKinstry

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023