Heading southeast of downtown, paralleling the Santa Fe Railway, US 66/US 89 made two northeasterly curves along with the railroad. At the intersection with Country Club Drive north of I-40 exit 201, current US 180 and I-40 Business split off, heading south to join I-40. This intersection also serves as the current southern terminus of US 89. Just west of this intersection, a later routing of US 66 split off and paralleled the railroad towards Walnut Canyon National Monument and I-40 exit 204 (where the later routing joined the Interstate). The earlier route of former US 66 (used through 1940), and current route of US 89, continue northeast from this intersection towards the Flagstaff suburb of Townsend.