Makes the Mountain Drive SAFER 


Caltrans ca .jpg  Begins Monday, September 9 2019

DETOUR - State Route 18 at Running Springs

Also State Route 38 at Mentone to Redlands



San Bernardino – The California Department of Transportation (Caltrans) will begin a Rock Fall Barrier Project on State Route 330 (SR-330) near Running Springs. This project will remove rock debris from the slope, excavate and reduce slope size and install a rock-fall barrier at Postmiles 37 and 39. 


Beginning at 5:00 A.M. Monday September 9, 2019, a full closure will be in effect until 11:59 P.M. Friday evening, September 20, 2019.

Manned closures will be set at Highland Avenue near SR-210 and Live Oak Drive near Running Springs. The detour routes will be State Route 18 (SR-18) and State Route 38 (SR-38) during this closure. 


Be advised, weather conditions may affect this operation. Know before you go!

To stay on top of roadwork in the Inland Empire go to Caltrans District 8 and sign up for commuter alerts. Follow us for the latest information on Facebook and Twitter. To assist in planning your commute, view live traffic conditions using QuickMap and planned lane closures.   




For information in District 8 visit one of the following.

Lane Closures -

Traffic Incidents -