AMP: 348 Location: Otto Rd and I-80, Laramie Cty Reassurance shield at the beginning of Otto Road/WYO 225. 225 used to be US-30, so the mileposts are reflective of that AMP: 357 Location: Otto Rd and Roundtop Rd, Laramie Cty Junction Wyoming 222 coming up, which heads north to I-80 and then the Warren AFB … Continue reading Wyoming Highway 225, I-80/US-30 to WYO 222