As many as 10 vehicles have crashed on the eastbound 91 at Gypsum Canyon Road, blocking the toll lanes and the Nos. 4 and 5 lanes, the California Highway Patrol says. At least one of the vehicles rolled over. The CHP received a call about the crash at 2:17 p.m.
An ambulance was called to the scene but preliminary reports indicated that there were no serious injuries.
Caltrans crews have also been called to remove nails and screws from the roadway.
A SigAlert was issued at 2:28 p.m. Traffic is now backed up to Imperial Highway.
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