Factors influencing safety at highway-rail grade crossings
By: [by] David W. Schoppert and Dan W. Hoyt.
Contributors: Hoyt, Dan W., joint author.
Series: National Cooperative Highway Research Program. Report ;; 50; NAS-NRC publication 1584.; Report (National Cooperative Highway Research Program) ;; 50.; Publication (National Research Council (U.S.)) ;; no. 1584.
Publisher: Highway Research Board, National Research Council
Published: 1968
Place of publication: [Washington]
Language: eng
Number of pages: 113
Subjects: Railroads -- Crossings.; Traffic accidents.
Notes: Includes bibliographies.
"NCHRP project 3-8 FY'64."