Southbound Highway 101 was shut down in the Carpinteria area on Monday afternoon after a big-rig jack-knifed, blocking the freeway lanes, according to the California Highway Patrol.
The crash, possibly caused by a reckless driver in another vehicle, occurred at about 1:30 p.m. near Santa Claus Lane, according to the CHP.
Southbound traffic was being diverted off the highway to Via Real, causing major congestion, with traffic reportedly backed up to Montecito.
A black Dodge Charger may have caused the crash, according to the CHP.
It is unknown is there were any injuries in the crash.
A Sigalert was issued at about 2:15 p.m., according to Caltrans spokesman Jim Shivers.
Shortly after 3:30 p.m., the CHP announced that both freeway lanes had reopened.
Additional details were not immediately available.
Check back with Noozhawk for updates to this story.
— Noozhawk executive editor Tom Bolton can be reached at tbolton@noozhawk.com. Follow Noozhawk on Twitter: @noozhawk, @NoozhawkNews and @NoozhawkBiz. Connect with Noozhawk on Facebook.