An accident involving a CHP officer occured on northbound Highway 101 near Linden Avenue just before noon and led to the diversion of all highway traffic to surface streets in Carpinteria. As of 12:45 p.m., southbound lanes were open, but northbound lanes remained closed. Traffic congestion and delays on surface streets are expected to continue. Also, earlier this morning an accident on northbound Highway 101 near Mussel Shoals in Ventura County caused a full northbound closure and significant delays.