-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 SINGLE AXLE DRIVE VEHICLES TOWING TRAILERS FROM  MCCLOUD TO 0.5 MI SOUTH OF THE JCT OF I 5 (SISKIYOU CO) /MCCLOUD SUMMIT/