Wyoming Highway 434Wyoming Highway 434 is a state highway in Washakie County, Wyoming, United States. It connects County Road 82 in Big Trails with U.S. Route 16 in Ten Sleep.Route descriptionWYO 434 begins at the north end of CR 82 in an area called Big Trails in northeastern Washakie County, about south of Ten Sleep. From its southern terminus, WYO 434 proceeds north as a two-lane road to the town of Ten Sleep, where it reaches its northern terminus at US 16, just after crossing Tensleep Creek.Major intersectionsActual mile markers increase from north to south.