AMP: 39 Location: US-87 and WYO 193, Sheridan Cty US-87 reverts to really cheap oiled pavement and we’re told it will dead end in 1 mile. There is no reassurance shield. AMP: 40 Location: US-87 at a dead end, Sheridan Cty State maintenance ends here at the washout point AMP: 39 Location: US-87 at a … Continue reading U.S. Route 87, WYO 193 to Physical Gap