Traffic collision, 15 Freeway, Cajon Pass 6:03 a.m.

The California Highway Patrol issued a Sig Alert on the 15 Freeway in the Cajon Pass this morning following a pair of crashes involving six vehicles. Two cars collided on the southbound 15 south of Highway 138, followed by another crash involving four cars at 5:24 a.m., said CHP Officer Steven Cuevas. All lanes were blocked initially and officers issued a Sig Alert at 6:03 a.m. Officers eventually opened up one lane on the 15. The Sig Alert is expected to last until about 7 a.m.