Lanes on the southbound 101 Freeway were closed early Monday after a crash involving a big rig in the Calabasas area.
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Two lanes were reopened at about 6:30 a.m. Traffic was slow before Las Virgenes Road as crews attempted to clear the wreckage.
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Motorists exited the southbound 101 Freeway at Lost Hills Road, but travel on surface streets also was slow Monday morning.
The crash, involving a big rig and car hauler, occurred at about 3:30 a.m.
The 45,000-pound big rig toppled across three lanes. A heavy duty two vehicle pulled the big rig to the side of the freeway, allowing the California Highway Patrol to reopen a few lanes.