 MT 48 begins at an intersection with MT 1 as a two @-@ lane , paved road . The highway proceeds northeastward through rural mining land for a short distance before intersecting S @-@ 273 . The roadway continues northeast , running parallel to Spring Creek . After a short distance , the highway passes Bowman Field and several small reservoirs that were created for mining . The road proceeds northeastward through more rural mining land before slightly bending eastward . The highway continues in a slight northeastward direction near the town of Warm Springs , crossing the Montana Western Railway . The highway proceeds to its eastern terminus at an intersection with Interstate 90 's frontage road near exit 201 . 
