SR 18 [IN THE SOUTHERN CALIFORNIA AREA] CHAINS ARE REQUIRED ON ALL VEHICLES EXCEPT 4-WHEEL-DRIVE VEHICLES WITH SNOW TIRES ON ALL 4 WHEELS FROM PANORAMA POINT TO THE SAN BERNARDINO NATIONAL FOREST (SAN BERNARDINO CO) 1-WAY CONTROLLED TRAFFIC AT VARIOUS LOCATIONS FROM THE JCT OF SR 138 TO 1 MI EAST OF THE JCT OF SR 173 (SANBERNARDINO CO) FROM 0800 HRS TO 1700 HRS TUESDAY THRUTHURSDAY THRU 2/11/10 - DUE TO CONSTRUCTION