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Traffic in Los Angeles and Southern California

Government

• California Highway Patrol (CHP) Traffic Incident Page.
• CalTrans Highway Information.  Comment:  You will need the highway number to look up the condition of the highway.  This site is particularly valuable if you plan to drive in the San Gabriel and other Southern California Mountain or desert areas.
• California Environmental Resources Evaluation System (CERES). 
  • Flood information for Los Angeles County. 
  • Flood information for Orange County. 
  • Flood information for San Diego. 
  • Flood information for Santa Barbara County. 
  • Flood information for Ventura County. 

Television Stations

• ABC Channel 7 Television Traffic Reports.
• CBS2 KCAL Television Traffic Reports and maps.
• KTLA Warner Brothers Television Traffic Reports.

Radio Statioins

• KNX 1070 Radio.  "West L.A. County - Extended Traffic on the 5s Exclusively on KNX 1070."   

Web Sites

• Beatthetraffic.com. "The right traffic at the right time." 
• Google Maps.  "Take the power of Google Maps with you on your mobile phone."   
• Los Angeles Department of Transportation (LADOT).  According to many opinion polls, traffic congestion and associated delay is a major public concern. As population increases, intensification of land use occurs which results in even greater congestion. With increased congestion comes air quality problems and added fuel consumption. Improving the efficiency of the existing highway system through the implementation of advanced technologies, with the coordinated efforts of various public agencies and the private sector, is one of the best ways to alleviate traffic congestion.
  
  One such method of optimizing the existing highway system is through implementation of the Automated Traffic Surveillance and Control (ATSAC) System. Based on the successful performance of the Coliseum Area ATSAC System during the 1984 Olympic Games, the ATSAC System is being implemented citywide. To date, ATSAC has been implemented at 3,100 of 4,300 City of Los Angeles signalized intersections, with another 157 being designed and 133 under construction this year. We have received funding commitments for an additional 650 intersections, which will leave 243 locations or six percent of the system yet to be funded and constructed. Non-City grant funding has provided approximately two thirds of all implementation costs.
  
  ATSAC is a computer-based traffic signal control system that monitors traffic conditions and system performance, selects appropriate signal timing (control) strategies, and performs equipment diagnostics and alert functions. Sensors in the street detect the passage of vehicles, vehicle speed, and the level of congestion. This information is received on a second-by-second (real-time) basis and is analyzed on a minute-by-minute basis at the ATSAC Operations Center, located four floors below the street in the City Hall, to determine if better traffic flow can be achieved by changing the signal timing. If required, the signal timing is either automatically changed by the ATSAC computers or manually changed by the operator using communication lines that connect the ATSAC Center with each traffic signal. To supplement the information from electronic detectors, closed-circuit television (CCTV) surveillance equipment has been and continues to be installed at critical locations throughout the City. The Department has installed CCTV cameras at 270 locations and new sites are being added. The major benefit of the ATSAC System is the ability to effectively manage dynamic traffic flow. Evaluation studies of the ATSAC System show that travel times, traffic signal delay, vehicular stops, air emissions and fuel use are significantly reduced..." 
• Microsoft Traffic Reports for Los Angeles. 
• Siglalert.com.  Map, routes, cameras, speeds, and accidents. 
• Traffic.com.  Los Angeles area hotspots. 
• Traffic411.com. 
• Travel Advisory News Network (TANN).