AMP: 100 Location: WYO 190 and WYO 191, Johnson Cty Reassurance shield at the beginning of WYO 190, a 10 mile spur to Barnum. The mileposts start at 100 for some reason. AMP: 109 Location: WYO 190 and Brock Rd, Barnum, Johnson Cty 9.66 miles later, WYO 190 ends at the small settlement of Barnum … Continue reading Wyoming Highway 190, WYO 191 to Barnum