Sig alert, I-15, Ontario 6:33 a.m.

A crash involving a motorcyclist brought traffic to a crawl on the 15 Freeway from Ontario to Fontana.
The rider crashed on the southbound 15 Freeway at Jurupa Street, blocking one lane. Firefighters and the Freeway Service Patrol arrived at the scene, blocking additional lanes. The California Highway Patrol issued a Sig Alert at 6:49 a.m. and traffic backed up to at least the 210 Freeway. The crash was moved onto the right shoulder at 7:06 a.m. and the Sig Alert was canceled, but traffic was continued to move slowly.