where does the 405 freeway start and end
Interstate 405 (California)
Interstate 405 begins at the El Toro Y interchange with Interstate 5 in southeastern Irvine . It then runs northwest through Orange County to Long Beach in Los Angeles County . The freeway then roughly follows the outline of the Pacific coast , varying between five and ten miles ( 16 km ) inland before crossing over the Sepulveda Pass in the Santa Monica Mountains . I - 405 next travels northerly through the San Fernando Valley , before its termination with I - 5 in the Mission Hills district of Los Angeles . Large portions of the route closely parallel Sepulveda Boulevard . The 
Interstate 405 begins at the El Toro Y interchange with Interstate 5 in southeastern Irvine . It then runs northwest through Orange County to Long Beach in Los Angeles County . The freeway then roughly follows the outline of the Pacific coast , varying between five and ten miles ( 16 km ) inland before crossing over the Sepulveda Pass in the Santa Monica Mountains . I - 405 next travels northerly through the San Fernando Valley , before its termination with I - 5 in the Mission Hills district of Los Angeles . Large portions of the route closely parallel Sepulveda Boulevard . The
Interstate 405 begins at the El Toro Y interchange with Interstate 5 in southeastern Irvine . I - 405 next travels northerly through the San Fernando Valley , before its termination with I - 5 in the Mission Hills district of Los Angeles .
Interstate 405 begins at the El Toro Y interchange with Interstate 5 in southeastern Irvine . I - 405 next travels northerly through the San Fernando Valley , before its termination with I - 5 in the Mission Hills district of Los Angeles .