A computerized signal control system in Los Angeles, California increased average speed by 16 percent, reduced travel time by 18 percent, decreased vehicle stops by 41 percent, and reduced delay by 44 percent.
Date Posted
09/21/2000
Los Angeles, California, United States
Los Angeles,
California,
United States
Identifier
2000-B00106
Automated Traffic Surveillance and Control (ATSAC) Evaluation Study
Summary Information
The Automated Traffic Surveillance and Control Program (ATSAC) in Los Angeles, California, has operated computerized signal control systems since 1984. As of 1994, it included 1,170 intersections, and 4509 detectors for signal timing optimization.
FINDINGS
The system reportedly reduced vehicle stops 41 percent, reduced travel time 18 percent, increased average speed 16 percent, and decreased delay by 44 percent.
Automated Traffic Surveillance and Control (ATSAC) Evaluation Study
Automated Traffic Surveillance and Control (ATSAC) Evaluation Study
Source Publication Date
06/02/1994
Publisher
Los Angeles DOT
Goal Areas
Deployment Locations
