Evaluation of signal/control system equipment and technology
Subtitle: task 6 : specification development
By: prepared for U.S. Department of Transportation, Federal Railroad Administration.
Contributors: United States. Federal Railroad Administration.; STV Engineers.; Kentron International.; T. K. Dyer, inc.
Publisher: The Administration; National Technical Information Service [distributor
Published: 1981
Place of publication: Washington, D.C; Springfield, Va
Language: eng
Subjects: Railroads -- United States -- Electronic equipment.; Railroads -- United States -- Signaling -- Centralized traffic control.
Notes: Cover title.

"STV Engineers, Inc., Kentron International, Inc., T.K. Dyer, Inc."--1st prelim. p.

"January 1981."

Contract no. DOT-FR-773-4236.

"FRA/ORD-78/39.6."