55 MPH fact book : gallons of gasoline saved, fatalities.

Bibliographic Details
Corporate Author:	United States. National Highway Traffic Safety Administration. Enforcement and Emergency Services Division
Format:	Government Document Book
Language:	English
Published:	Washington : Dept. of Transportation, National Highway Traffic Safety Administration, Office of Driver and Pedestrian Programs, Enforcement and Emergency Services Division, 1977.
Series:	DOT HS-802 590
Subjects:	Speed limits > United States. Automobiles > Fuel consumption > Statistics. Traffic accidents > United States > Statistics.

Evans: US Documents (Annex 5th floor)