AMP: 284 Location: State St and Milburn Rd, Fairview Immediately after SR-31, we’ll approach SR-231. There’s no access to 231 north from 89 south. 231 is the shortest state highway in Utah and is essentially the leg of the wye that connects 89 north to 31 east and 31 west to 89 south. S to … Continue reading U.S. Route 89, SR-31 to SR-231