55 mph fact book, 1979.
Contributors: United States. National Highway Traffic Safety Administration. Enforcement and Emergency Services Division.
Edition: [4th ed.]
Publisher: U.S. Dept. of Transportation, National Highway Traffic Safety Administration, Office of Driver and Pedestrian Programs, Enforcement and Emergency Services Division
Published: 1979
Place of publication: [Washington, D.C.]
Language: eng
Number of pages: 48
Subjects: Speed limits -- United States.; Traffic accidents -- United States.; Automobiles -- United States -- Fuel consumption.
Other titles: Fifty-five miles per hour fact book, 1979.
Notes: "DOT HS 804 979"--Cover.