Cortez
US-491 South at US-160
US-491 south at US-160. Turn left for US-160 east to Durango. Continue ahead for US-160 West/US-491 South. Use US-160 west for Four Corners; use US-491 south for Shiprock, New Mexico. US-160 west joins US-491 southbound to the Four Corners area.
US-160 East - Cortez
US-160 east in Cortez on the connector between US-491 south and US-160 east.
US-491 South at US-160 East
US-491 South at US-160 East to Durango.
US-160 West at US-491
US-160 west at US-491. Merge right for US-491 north. Continue straight for US-491 South/US-160 West. US-491 South joins US-160 West. Use US-160 West/US-491 North for Weigh and Check Station.