Highway 42 runs northwest from where Highway 24 crosses the BNSF Railway's Northern Transcon,  a route operated by what Railway?
Northern Transcon The Northern Transcon, a route operated by the BNSF Railway, traverses the most northerly route of any railroad in the western United States. This route was originally part of the Chicago, Burlington and Quincy Railroad, Northern Pacific Railway, Great Northern Railway and Spokane, Portland and Seattle Railway systems, merged into the Burlington Northern Railroad system in 1970.
Burlington Junction Railway The Burlington Junction Railway (reporting mark BJRY) is a Class III short line railroad which was chartered in 1985. Originally operating on the southernmost 3 mi of the former Burlington, Cedar Rapids and Northern Railway mainline in Burlington, Iowa after abandonment by the Chicago, Rock Island and Pacific Railroad, it provides short freight hauling, switching operations, locomotive repair, and transloading services, the latter currently handling over 3,000 carloads a year. Typical commodity types transported include chemicals and fertilizer. The BJRY's primary interchange partner is the BNSF Railway.