Location: Palouse Cove Rd and US-95, Latah Cty Reassurance s hield at the beginning of this very short route Location: Palouse Cove Rd at WA State Line, Latah Cty The only indication that we have crossed into Washington is a Washington-style speed limit sign and a slight change in pavement striping. State maintenance ends here … Continue reading Idaho State Highway 66, US-95 to WA State Line