Proceedings
By: 1977 National Conference on Railroad-Highway Crossing Safety, August 23-25, 1977, University of Utah ; sponsored by U.S. Dept. of Transportation.
Contributors: United States. Dept. of Transportation.
Publisher: The Dept.
Published: 1979
Place of publication: [Washington]
Language: eng
Number of pages: 126
Subjects: Railroads -- United States -- Crossings -- Congresses.; Railroads -- United States -- Safety measures -- Congresses.