Improvement of the effectiveness of motorist warnings at railroad-highway grade crossings
By: J. B. Hopkins, E. White.
Contributors: White, E.; United States. Federal Railroad Administration. Office of Research and Development.
Series: Report - Federal Railroad Administration ; no. FRA/ORD-77/07; Report (National Institute of Standards and Technology (U.S.)) -- no. FRA/ORD-77/07.
Publisher: Dept. of Transportation, Federal Railroad Administration, Office of Research and Development; for sale by the National Technical Information Center
Published: 1977
Place of publication: Washington; Springfield,Va
Language: eng
Number of pages: 86
Subjects: Railroad crossings.; Railroads -- Safety appliances.; Traffic signs and signals.
Notes: Prepared by the Transportation Systems Center under work unit no. RR602/R7337.

Final report; issued Feb. 1977.

Includes bibliographical references.