-[IN THE NORTHERN CALIFORNIA AREA & SIERRA NEVADA]      CHAINS ARE REQUIRED ON ALL VEHICLES EXCEPT 4-WHEEL-DRIVE VEHICLES WITH SNOW  TIRES ON ALL 4 WHEELS FROM KINGVALE (PLACER CO) TO THE DONNER LAKE INTERCHANGE  (NEVADA CO) 
+[IN THE NORTHERN CALIFORNIA AREA & SIERRA NEVADA]  **FOR WESTBOUND TRAFFIC:      CHAINS ARE REQUIRED ON ALL VEHICLES EXCEPT 4-WHEEL-DRIVE VEHICLES WITH SNOW  TIRES ON ALL 4 WHEELS FROM THE DONNER LAKE INTERCHANGE (NEVADA CO) TO KINGVALE   (PLACER CO)