Question: What is a 12.4 mi railway line in Minneapolis and Saint Paul, Minnesota on the BNSF Railway's route operated by the BNSF Railway?
Sentence (from "Northern Transcon"): 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.
Relevant evidence: No