UPDATE (8:53 AM): Caltrans says that northbound I-5 is reduced to one lane and southbound is down to two lanes due to the Route Fire as of Thursday morning.
The Los Angeles County Fire Department says the Route Fire has grown to more than 5,200 acres and is 12 percent contained.
UPDATE (6:17 AM): CHP said all lanes of I-5 near Castaic have reopened Thursday morning after a brush fire closed the freeway.
Cal Fire says the fire has grown to more than 4,600 acres though no containment has been reported as of Thursday morning.
Caltrans is reporting that I-5 is closed in both directions Wednesday in Castaic due to a brush fire.
Northbound traffic is stopped at Parker Road, while southbound traffic is stopped at Templin Highway, said Caltrans.
Caltrans advise to seek alternate routes such as Highway 14 and Highway 138.
There's no ETA currently for when lanes will reopen.
