AMP: 144 Location: Main St and 100 W, Vernal A couple blocks after SR-121, US-191 will prepare to split to continue its trek north. AMP: 144 Location: Main St and Vernal Ave, Vernal Turn left for US 191 north to the Flaming Gorge. Stay straight for 40 east to Dinosaur, Colo.  N to SR-301, S to SR-88  W to … Continue reading U.S. Route 191, SR-121 to US-40