Highway 42 runs northwest from where Highway 24 crosses the BNSF Railway's Northern Transcon,  a route operated by what Railway?
Montana Highway 42 Montana Highway 42 (MT 42) is a short, 2.9 mi state highway in the U.S. state of Montana, connecting Montana Highway 24 with downtown Glasgow. Formerly Highway 24W, Highway 42 (its route number a reversal of "24") runs northwest from where Highway 24 crosses the BNSF Railway's Northern Transcon, staying parallel to the tracks until it turns right in Glasgow's downtown and dives under the railroad to meet with and terminate at U.S. Route 2.
Yellowstone Valley Railroad The Yellowstone Valley Railroad (reporting mark YSVR) is a 171 mi shortline railroad in northeastern Montana, also crossing into North Dakota. It operates two branch lines leased from the BNSF Railway in 2005 - Snowden to Glendive and Bainville to Scobey - connected by trackage rights over BNSF's Northern Transcon between Snowden and Bainville.