Location: US-91 at the Idaho Line, Cache Cty Reassurance shield as we cross into Utah Location: US-91 and SR-61, Cache Cty About a mile south of the state line, we’ll approach SR-61 Location: US-91 and SR-61, Cache Cty Follow SR-61 into Lewiston and then over to Cornish where it will end a few miles west … Continue reading U.S. Route 91, ID State Line to SR-61