AMP: 2 Location: I-25 and Terry Ranch Rd, Laramie Cty Reassurance shield after WYO 223. We are but 2 miles from Colorado AMP: 0 Location: I-25 at Colorado State Line Welcome to Colorful Colorado! US-87 sort of ceases to exist here, satying concurrent with I-25 throughout the entire state and remaining unsigned. Legally it still … Continue reading U.S. Route 87, WYO 223 to CO State Line