Townsend
US-12 East /US-287 South at US-12 East
US-12 east/US-287 south at US-12 east to White Sulphur.
US-12 West at US-287
US-12 west at US-287 south to Three Forks and Bozeman. US-287 north joins US-12 north to Helena.
US-12 West/US-287 North
US-12 west/US-287 north.