California Highway Patrol cars patrol a closed 405 freeway overlooking the San Fernando Valley section of Los Angeles as workers continue the demolition of the Mulholland Drive bridge on Saturday Sept. 29,2012. Construction crews are on schedule and traffic tie-ups are minimal in Los Angeles, making for a smooth start to Carmageddon II, the sequel to last year's shutdown of one of the nation's busiest freeways. (AP Photo/Richard Vogel)
