Excavators dig near an empty stretch of the 405 freeway in Los Angles as crews tear down part of a bridge

mulholland bridge sepulveda pass construction infrastructure freeway bridge highway excavator interstate demolition encino tear down backhoe sherman oaks carmageddon crane equipment bulldozer california congestion los angeles detour 405 van nuys lanes traffic trucks retrofit crews slow driving urban machinery jam city rush 1080p destroy closure shut down closed