Arkansas Highway 266Arkansas Highway 266 is an east-west state highway in Faulkner County, Arkansas. The route of runs from U.S. Route 65 Business and U.S. Route 64 in Conway east to Siebenmorgen Road.Route descriptionLocated entirely in Faulkner County, its west terminus was at an intersection with U.S. Route 65 Business and U.S. Route 64 in Conway at a roundabout near the entrance to Hendrix College. The route then proceeds east before ending at the Arkansas Human Development Center and continuing on as Siebenmorgen Road.