Harlowton - West
US-12 West at US-191 South
US-12 west/US-191 south at US-191 south to Big Timber.
US-191 North at US-12 - Harlowton
US-191 North at US-12 in Harlowton. Turn right for US-191 North/US-12 East, To MT-3.
US-12 West Distance Marker
Distance marker on US-12 to White Sulphur Springs, Townsend, and Helena, just west of Harlowton.
US-191 North Approaching US-12
US-191 north approaching US-12 in Harlowton. Turn left for US-12 west to White Sulphur Springs; right for US-191 North/US-12 East to Lewistown. US-191 North joins US-12 East through Harlowton.