The California/New York type 170 traffic signal controller system :
hardware specification
APA Citation
United States. Federal Highway Administration. Implementation Division. (1978). The California/New York type 170 traffic signal controller system: hardware specification. [Washington]: Dept. of Transportation, Federal Highway Administration, [Office of Development], Implementation Division.
MLA Citation
United States. Federal Highway Administration. Implementation Division. The California/New York Type 170 Traffic Signal Controller System: Hardware Specification. [Washington]: Dept. of Transportation, Federal Highway Administration, [Office of Development], Implementation Division, 1978.
Warning: These citations may not always be complete (especially for serials).