Department of Transportation


noun

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

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Cultural definitions for Department of Transportation

Department of Transportation

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.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.