AMP: 208 Location: US-14 and US-310, Big Horn Cty Reassurance shield after the junction, the routes will pick up Wyoming 789. AMP: 205 Location: N 6th St and 15th Ave N, Greybull Welcome to Greybull! AMP: 205 Location: N 6th Ave and 15th Ave N, Greybull To follow the Big Horn scenic byway, use US-14 … Continue reading Wyoming Highway 789, US-14/US-16/US-20/US-310 to US-14