Triple-digit temperatures and dry vegetation created a rapid spread of the Route fire in Castaic.
As of Thursday morning, the Route Fire has burned over 5,000 acres and is zero percent contained.
The Route Fire began around noon Wednesday and had grown to around 60 acres by the time Los Angeles County firefighters were dispatched to the scene, according to the LA County Fire Department on Twitter. Flames burned about 250 acres at 5:27 p.m. near Lake Hughes Road on northbound Interstate 5, LACFD added.
Los Angeles Times