Rail-highway crossing warning device - life cycle cost analysis. Final report.

Federal Railroad Administration, Office of Safety, Washington, D.C.

A study of state programs for rail-highway grade crossing improvements. Final report.

Federal Railroad Administration, Office of Policy and Program Development, Washington, D.C.

A new guide to reference services in the National Highway Traffic Safety Administration.

Mode of access: Internet.

Highway safety research and development - better management can make it more useful. Report by the Comptroller General of the United States.

Mode of access: Internet.

Highway safety research and development - better management can make it more useful. Report supplement: GAO comments on the Department of Transportation's reply to the March 17, 1980, GAO draft report.

Mode of access: Internet.

User's manual: FHWA highway traffic noise prediction model - SNAP 1.0. Final report.

Federal Highway Administration, Environmental Design and Control Division, Washington, D.C.

Innovative concepts and technology for railroad-highway grade crossing motorist warning systems. Vol. I: overview and concept generation and analysis. Final report.

Transportation Systems Center, Cambridge, Mass.

Innovative concepts and technology for railroad-highway grade crossing motorist warning systems. Vol. II: the generation and analysis of alternative concepts. Final report.

Transportation Systems Center, Cambridge, Mass.

Highway safety management process guidelines.

Mode of access: Internet.

Impact of recent changes in the highway safety environment: a project overview. Final summary report.

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

Rail-highway crossing hazard prediction research results. Final report.

Transportation Department, Washington, D.C.

Highway sight-distance requirements: truck applications. Final report.

Mode of access: Internet.

Highway air pollution dispersion modeling: preliminary evaluation of thirteen models. Final report.

Transportation Department, Office of the Assistant Secretary for Systems Development and Technology, Washington, D.C.

Highway safety program standards: are we willing to accept change?.

Mode of access: Internet.

National Highway System: refinements would strengthen the system.

Mode of access: Internet.