Activated advance warning for railroad grade crossings.
Title:
Activated advance warning for railroad grade crossings.
Author:
United States. Federal Highway Administration. Office of the Associate Administrator for Research and Development.
Publication Information:
Washington, D.C. : U.S. Dept. of Transportation, Federal Highway Administration, Offices of Research and Development ; Springfield, Va. : National Technical Information Service [distributor], 1982.
Physical Description:
ix, 184 p. : ill. ; 28 cm.
General Note:
Cover title.
"Final report."
"JGM Associates, Inc."--1st prelim. p.
"July 1982."
"Report no. FHWA/RD-80/003."
DOT-FH-11-9346.
Holds: Copies: