55 mph fact book
Publisher: 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]
Language: eng
Number of pages: 48
Subjects: Speed limits -- United States; Automobiles -- Fuel consumption -- Statistics; Traffic accidents -- United States -- Statistics
Notes: November 1979

"DOT HS-804 979."