Impact and Implementation of the 55-mile-per-hour Speed Limitby United States. Congress. House. Committee on Public Works and Transportation. Subcommittee on Surface Transportation1987
Effects of the 55 Mph Speed Limitby American Association of State Highway and Transportation Officials. Operating Subcommittee on Traffic Engineering1974
Impact and Implementation of the 55-mile-per-hour Speed Limitby United States. Congress. House. Committee on Public Works and Transportation. Subcommittee on Surface Transportation1987
The Effect of Increased Speed Limits in the Post-NMSL Eraby United States. National Highway Traffic Safety Administration1998
Effects of the 55 Mph Speed Limitby American Association of State Highway and Transportation Officials. Operating Subcommittee on Traffic Engineering1974