SR 89 [IN THE CENTRAL CALIFORNIA AREA & SIERRA NEVADA] IS CLOSED FROM THE JCT OF US 395 (MONO CO) TO THE JCT OF SR 4 /MONITOR PASS/ (ALPINE CO) - FOR THE WINTER - MOTORISTS ARE ADVISED TO USE AN ALTERNATE ROUTE CHAINS OR SNOW TIRES ARE REQUIRED FROM THE JCT OF SR 88 (ALPINE CO) TO THE ALPINE/EL DORADO CO LINE [IN THE NORTHERN CALIFORNIA AREA] IS CLOSED FROM THE SOUTH PARK BDRY TO THE JCT OF SR 44 /LASSEN LOOP/ (TEHAMA, SHASTA CO) - FOR THE WINTER - MOTORISTS ARE ADVISED TO USE AN ALTERNATE ROUTE CHAINS OR SNOW TIRES ARE REQUIRED FROM 5 MI NORTH TO 14 MI NORTH OF TRUCKEE (SIERRA CO)