LA Becomes First Major City with Signal Sync

Los Angeles City Councilmember Bill Rosendahl joined Mayor Antonio Villaraigosa and Councilwoman Jan Perry to flip the switch on the completion of the city’s signal synchronization program.

According to the Los Angeles Department of Transportation (LADOT),  4,398 signalized intersections are now connected to the department’s traffic control center and can be re-timed remotely to address traffic congestion, special events, and emergencies.

LA Becomes First Major City with Signal Sync

The Automated Traffic Surveillance & Control (ATSAC) system decreases average travel time for commuters by 12 percent. Less time on the road means the City is improving air quality by reducing greenhouse gas emissions. The Mayor says the synchronization will help Angelenos spend nearly a day less waiting in traffic and reduce pollution by nearly a metric ton of carbon a year.

Rosendahl, who chairs the Transportation Committee,  has been working with engineers on completing the project.

“Finding solutions to reduce congestion is one of my top priorities as chair of the Transportation Committee,” said Rosendahl. “The signal synchronization project will improve rush hour traffic flow and help people get to their destinations quicker.  I’m excited for all Angelenos to experience the benefits of this project, whether they’re traveling by car, bike, or on foot.”

The signal synchronization program originated in advance of the 1984 Olympics, but was left in limbo until 2005 when Mayor Villaraigosa vowed to finish the project. After campaigning heavily for Proposition 1B, Villaraigosa ensured that $150 million was allocated to help accelerate the citywide traffic control system.

PHOTO: Metro CEO Art Leahy, Bill Rosendahl, Antonio Villaraigosa, Jan Perry


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