Headway separation assurance subsystem (HSAS)
By: Robert R. Evans and Kenneth Cowes
Contributors: Cowes, Kenneth, joint author; United States. Urban Mass Transportation Administration; Alden Self-Transit Systems Corporation
Series: Report - Transportation Systems Center ; no. DOT-TSC-UMTA-75-11
Publisher: Urban Mass Transportation Administration; available through the National Technical Information Service
Published: 1975
Place of publication: Washington; Springfield, Va
Language: eng
Number of pages: 98
Subjects: Electronics in transportation
Notes: Final report, July 1972-June 1974.

Performed by Alden Self-Transit Systems Corporation.

Sponsored by the Urban Mass Transportation Administration; its report no. UMTA-MA-06-0031-75-4.