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

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

Safety features of stop signs at rail-highway grade crossings. Volume II. Technical report. Final report.

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

Railroad grade crossing passive signing study. Interim report.

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

Evaluation of experimental railroad-highway grade crossings in Louisiana. Final report.

Mode of access: Internet.

Cellular-block-lined grade control structure : hydraulic model investigation /

"August 1973."

Special method in geography from the third through the eighth grade /

Includes bibliographical references.

Your speech. 6th- grade.

Includes bibliographies.

Field evaluation of innovative active warning devices for use at railroad-highway grade crossings /

"August 1988."

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.

Standby power for railroad-highway grade crossing warning systems. Final report.

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

Potential means of cost reduction in grade crossing automatic gate systems. Volume I: overview and low cost railroad/highway grade crossing gate systems. Final report.

Transportation Systems Center, Cambridge, Mass.

Potential means of cost reduction in grade crossing automatic gate systems. Volume II: improved gate arm concepts for railroad/highway grade crossings. Final report.

Transportation Systems Center, Cambridge, Mass.

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.

Potential means of cost reduction in grade crossings motorist-warning control equipment. Volume II: comparison of solid state and relay devices and techniques. Final report.

Transportation Systems Center, Cambridge, Mass.

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.