Automated traffic management system monitors traffic at the Caltrans Los Angeles Regional Transportation Management Center in Los Angeles, Friday, July 15, 2011. The City of Angels is on edge as the ... more 
Automated traffic management system monitors traffic at the Caltrans Los Angeles Regional Transportation Management Center in Los Angeles, Friday, July 15, 2011. The City of Angels is on edge as the hours tick off until "Carmageddon," the shutdown of a 10-mile stretch of one of the busiest highways in the United States, on one of the city's busiest summer weekends. (AP Photo/Jae C. Hong) less 
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Associated Press | Photo By Jae C. Hong
Fri, Jul 15, 2011 1:07 PM EDT