Liberal Dictionary English Dictionary
noun
- the department of the U.S. federal government that coordinates and institutes national transportation programs. Abbreviation: DOT
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.
United States Department of Transportation – Wikipedia
Department of Transportation | Performance.gov
U.S. Department of Transportation | Liberal Dictionary
United States Department of Transportation – Wikipedia
A Brief History of the Department of Transportation « Capital