Highway 42 runs northwest from where Highway 24 crosses the BNSF Railway's Northern Transcon,  a route operated by what Railway?
Montana Highway 42:  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.
i don't know