Department of Transportation

American  

noun

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

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Department of Transportation Cultural  

1. 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.

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Example Sentences

See Examples For:

Department of Transportation

Back in Washington, the Department of Transportation concluded that this laissez-faire attitude had to change, and began high-level discussions with the nation’s aviation executives.

From Slate ● Jul. 7, 2026

The research was funded by the Hawaii Department of Transportation.

From Science Daily ● Jun. 28, 2026

This is a long-standing trend — according to the Department of Transportation, for example, vehicle miles per gallon in the U.S. improved from about 13 mpg in 1975 to about 27 mpg in 2023.

From MarketWatch ● May 5, 2026

Department of Transportation rule that gave them latitude to cancel.

From The Wall Street Journal ● Apr. 22, 2026

The Hideout is a dive bar made of wooden planks that's nestled between a factory and some Department of Transportation building.

From "Will Grayson, Will Grayson" by John Green and David Levithan