Rapid City Regional Airport (RAP) : -Keep right at the fork to continue on Terminal Rd.
-Turn left onto Airport Rd.
-Turn right onto E Highway 44/SD-44
-Merge onto US-16 W/US-16B W/SD-79/Elk Vale Rd via the ramp on the left.
-Merge onto SD-79 via the ramp on the left.
-Turn slight left onto Highway 385/US-385 S.
-Turn left onto Highway 20/US-20 E/US-385 S. Continue to follow US-20 E.
-Turn left onto Main St.