UPDATE (Feb. 3, 2017, 1:43 p.m.): All lanes of Highway 99 are now open, according to Caltrans.
DELANO, Update: All lanes on State Route 99 now OPEN.
— Caltrans District 6 (@caltransdist6) February 3, 2017
UPDATE (Feb. 3, 2017, 11:53 a.m.): According to Caltrans, northbound Highway 99 is now fully open at County Line Road.
Southbound is still reduced to one lane as crews clean up.
One lane of northbound Highway 99 in Delano is closed at County Line Road.
According to the California Highway Patrol, a big rig hauling degreaser rolled over just after 2 a.m. Friday.
The rollover caused the closure of multiple lanes of the 99. The CHP has opened one lane as crews work to cleanup the scene.
It's not known if anyone was injured.