Construction zone safety and delineation study. Final report.

Federal Highway Administration, Washington, D.C.

Legal effects of use of innovative equipment at railroad-highway grade crossings on railroad's accident liability. Final report.

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

Railroad grade crossing passive signing study. Final report.

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

Evaluation of dynamic sign systems for narrow bridges. Final report.

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

Detectable warnings: detectability by individuals with visual impairments, and safety and negotiability on slopes for persons with physical impairments. Final report.

Federal Transit Administration, Washington, D.C.

A methodology for determination of grade crossing resource-allocation guidelines. Final report.

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

Evaluation of steady burn lights for traffic control in highway work zones. Phase II. Final report.

Ohio Department of Transportation, Columbus

Railroad grade crossing passive signing study. Interim report.

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

Summary of the DOT rail-highway crossing resource allocation procedure - revised. Final report.

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

Summary statistics of the National Railroad-Highway Crossing Inventory for public at-grade crossings.

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

Improvement of the effectiveness of motorist warnings at railroad highway grade crossings. Final report.

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

Variable message signing for traffic surveillance and control - a state of the art report. Final report.

Mode of access: Internet.

Emergency Medical Services - highway sign evaluation. Final report.

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

Application of positive guidance at a reverse curve/narrow bridge site in Washington state. Final report.

Federal Highway Administration, Demonstration Projects Division, Arlington, Va.

Motorists' comprehension of regulatory, warning, and symbol signs. Volume I: executive summary. Final report.

Federal Highway Administration, Washington, D.C.