UPDATE (1:35 p.m.) - All lanes of Highway 154 were reopened by 1:25 p.m., according to the CHP.
The crash involved a single vehicle rollover.
(1:21 p.m.) - Emergency crews responded to a vehicle crash on Highway 154 near Santa Barbara that blocked traffic Wednesday.
It happened at about 12:50 p.m. near Painted Cave Rd.
The California Highway Patrol reported just one vehicle involved and no injuries, but all lanes of the highway were reportedly blocked.
No other details were immediately available.