Automatic safety belt systems: changes in owner usage over time in GM Chevettes and VW Rabbits. Final report.

National Highway Traffic Safety Administration, Washington, D.C.

Automatic audio signing - literature survey analysis. Interim report, phase 1, task A.

Federal Highway Administration, Washington, D.C.

Driver understanding of work zone flagger signals and signaling devices. Interim report.

Texas State Department of Highways and Public Transportation, Transportation Planning Division, Austin

Evaluation of minimum drinking age laws using the National Electronic Injury Surveillance System. Final report.

Mode of access: Internet.

Feasibility study for an improved acoustic probe for road roughness profiling.

Federal Highway Administration, Washington, D.C.

Computer simulation of the effect of road roughness on tire-pavement forces for an articulated vehicle performing braking and cornering maneuvers. Phase report.

Federal Highway Administration, Washington, D.C.

Development and testing of INTRAS, a microscopic freeway simulation model. Volume 4: program documentation. Final report.

Federal Highway Administration, Office of Research and Development, Washington, D.C.

Methods for evaluation of rail-highway grade crossing improvements. Final report.

Mode of access: Internet.

Significant factors in truck ride quality. Volume III: data compendium. Final report.

Federal Highway Administration, Structures and Applied Mechanics Division, Washington, D.C.

An evaluation of head restraints - Federal Motor Vehicle Safety Standard 202.

Mode of access: Internet.

A computer program (VEHSIM) for vehicle fuel economy and performance simulation (automobiles and light trucks). Volume IV: enhancements. Final report.

National Highway Traffic Safety Administration, Office of Research and Development, Washington D.C.

Analytical study of the legal and operational aspects of the Minnesota law entitled "Chemical test for intoxication" - M.S.A. Sec. 169.123. Final report.

National Highway Traffic Safety Administration, Washington, D.C.

Systems analysis and design guidelines for highway advisory radio. Executive summary. Final report.

Federal Highway Administration, Office of Research and Development, Washington, D.C.

Systems analysis and design guidelines for highway advisory. Final report.

Federal Highway Administration, Office of Research and Development, Washington, D.C.

Our nation's highways - selected facts and figures.

Mode of access: Internet.