The City of Los Angeles Department of Transportation (LADOT), in collaboration with the Los Angeles County Metropolitan Transportation Authority (MTA), has successfully implemented an advanced Traffic Signal Priority (TSP) system along several major transit corridors in the Los Angeles Region. Using loop detector technology and state of the art transit management software, the LADOT Traffic Signal Priority has received several awards for creativity and innovation from prominent transportation industry organizations nationwide. The TSP is a critical element of the Metro Rapid Bus (MRB) Demonstration Program that was jointly developed by LADOT and MTA. The initial phase of the Metro Rapid Bus was deployed on June 24, 2000, when the Metro Red Line subway was extended to the North Hollywood Stations in the San Fernando Valley. The purpose of the Metro Rapid Bus Demonstration Program is to offer rail-type frequent and high quality transit services connecting the terminus of the Red Line to major destinations in the outlining areas. The TSP serves to improve the on-time performance of the Metro Rapid Bus by adjusting the signal timing at intersections for buses as their approach is detected. The TSP is also used to provide real-time next bus arrival information to passengers waiting at bus stations and assist bus fleet management by recording the travel time for each bus run. The MRB program features limited stops and low-floor clean-air buses.
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