UPDATE (5:50 p.m.) - The Santa Barbara County Fire Department says the McMurray Fire near Buellton is now 40 percent contained after burning about 200 acres.
The fire started as a string of four fires along northbound Highway 101 between Highways 246 and 154 on Monday.
The slow lane of northbound Highway 101 has been closed since the fire started but is expected to open to traffic at 6 p.m. Tuesday.
Fire officials say crews will remain at the scene overnight reinforcing containment line and mopping up.
One firefighter reportedly suffered an eye injury but was treated and returned to work.
UPDATE (12 p.m.) - CHP estimates the reopening of the second lane on northbound Highway 101 through the area will occur around 6 p.m. Tuesday.
(7:06 a.m.) - Santa Barbara County Fire officials held a briefing Tuesday morning on the McMurray Fire.
Fire officials say the fire is now 30% contained, and remains at 200 acres.
The fire broke out Monday evening east of Highway 101, north of Croft Ln./Ballard Rd., west of Ballard Canyon Rd., and south of Highway 154.
The fire began as a string of four separate fires along Highway 101 north of Buellton.
According to CHP, the Number 2 lane of northbound 101 near Highway 246 remains closed as crews continue to battle the fire.
Fire captain Daniel Bertucelli says 200 firefighters are expected to remain on scene throughout the day on Tuesday. 50 firefighters will moniter overnight Tuesday into early Wednesday morning.
The cause is under investigation.