Measures of effectiveness, railroad-highway grade crossings, and visibility : 9 reports prepared for the 54th annual meeting of the Transportation Research Board
Annual meeting of the Transportation Research Board ; 54 ; 1975 ; Washington, DC Annual meeting of the Transportation Research Board ; 54 (Washington, DC) : 1975.
1976
106 p
25 cm
ill
Includes bibliographical references
Konferenzband
Englisch