Potential means of cost reduction in grade crossing automatic gate systems.
Contributors: Duttera, James.; Friedland, Martin.; St. Amant, Andrew.
Series: Report - Federal Railroad Administration ; no. FRA/ORD-77/06; Report (National Institute of Standards and Technology (U.S.)) -- no. FRA/ORD-77-06.
Publisher: Dept. of Transportation, Federal Railroad Administration, [Office of] Research and Development; for sale by the National Technical Information Service
Published: 1977
Place of publication: Washington; Springfield, Va
Language: eng
Subjects: Railroad crossings.; Traffic signs and signals.
Notes: Prepared by MB Associates and Gulf and Western AD & E Center, under contracts DOT-TSC-858 and DOT-TSC-859.

Final report; February 1977.

Includes bibligraphical references.
Table of contents: value: v.1. St. Amant, A. Overview and low cost railroad/highway grade crossing gate systems.; value: v.2. Duttera, J., and Friedland, M. Improved gate arm concepts for railroad/highway grade crossings.