LA area freeway conditions from the California Department of Transportation
Los Angeles Department of Transportation makes traffic data available from its ATSAC, a computer-based traffic signal control system that monitors traffic conditions and system performance, selects appropriate signal timing (control) strategies.
Traffic Information from Metro
Local traffic information from the Los Angeles County Metropolitan Transportation Agency.
LA area traffic information aggregated from a variety of sources, including Caltrans and the LA County MTA.
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