The Effectiveness of automatic protection in reducing accident frequency and severity at public grade crossings in California
Title:
The Effectiveness of automatic protection in reducing accident frequency and severity at public grade crossings in California
Author:
California Public Utilities Commission. Railroad Operations and Safety Branch. Traffic Engineering Section.
Publication Information:
San Francisco : The Commission, 1974.
Physical Description:
iii, 196 pages : illustrations ; 28 cm
Language:
English
Format :
Book