-CHAINS OR SNOW TIRES ARE REQUIRED FROM MCCLOUD TO 0.5 MI SOUTH OF THE   JCT OF I 5 (SISKIYOU CO) /MCCLOUD SUMMIT/   
+CHAINS ARE REQUIRED ON ALL VEHICLES EXCEPT 4-WHEEL-DRIVE VEHICLES WITH SNOW  TIRES ON ALL 4 WHEELS FROM MCCLOUD TO 0.5 MI SOUTH OF THE JCT OF I 5   (SISKIYOU CO) /MCCLOUD SUMMIT/