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?

full_context: Document 1: Wayzata Subdivision: The Wayzata Subdivision or Wayzata Sub is a railway line that runs about 93 mi from Willmar to Minneapolis, Minnesota. Currently operated by BNSF Railway, this was part of the Great Northern Railway's transcontinental line from Minneapolis to Seattle, Washington. Today, BNSF's Northern Transcon travels up the Staples Subdivision instead, which is a more direct route to Fargo, North Dakota. As of May, 2011, the route is of moderate capacity and typically sees around 15 trains per day.
Document 2: Burlington Northern Railroad: The Burlington Northern Railroad (reporting mark BN) was a United States-based railroad company formed from a merger of four major U.S. railroads. Burlington Northern operated between 1970 and 1996.
Document 3: Northern Securities Company: The Northern Securities Company was a short-lived American railroad trust formed in 1901 by E. H. Harriman, James J. Hill, J.P. Morgan and their associates. The company controlled the Northern Pacific Railway; Great Northern Railway; Chicago, Burlington and Quincy Railroad; and other associated lines. It was capitalized at $400 million, and Hill served as president.
Document 4: Midway Subdivision: The Midway Subdivision or Midway Sub is a 12.4 mi railway line in Minneapolis and Saint Paul, Minnesota on the BNSF Railway's Northern Transcon which runs from Chicago, Illinois to Seattle, Washington and Portland, Oregon. This is former Great Northern Railway trackage, and now forms the southern set of BNSF tracks running between the two cities. The companion route running slightly to the north is the St. Paul Subdivision, former Northern Pacific Railway tracks. The Midway Subdivision hosted about 24 trains per day as of September 2015.
Document 5: Chicago Subdivision: The Chicago Subdivision or Chicago Sub is a railroad line in Illinois that runs about 38 mi from Chicago to Aurora and hosts Metra's BNSF Railway Line commuter service. It is operated by BNSF Railway as the easternmost part of the railroad's Northern Transcon to Seattle, Washington. This line is known as the Racetrack because it is mostly triple-tracked and supports fairly fast trains. It had been operated by a BNSF ancestor, the Chicago, Burlington and Quincy Railroad, which introduced high-speed "Zephyr" passenger trains in 1934 and ran many of them along this subdivision from Chicago to points west.
Document 6: Chicago, Burlington and Quincy Railroad: The Chicago, Burlington and Quincy Railroad (reporting mark CBQ) was a railroad that operated in the Midwestern United States. Commonly referred to as the Burlington or as the Q, the Burlington Route served a large area, including extensive trackage in the states of Colorado, Illinois, Iowa, Kansas, Kentucky, Missouri, Montana, Nebraska, Wisconsin, Wyoming, and also in New Mexico and Texas through subsidiaries Colorado and Southern Railway, Fort Worth and Denver Railway, and Burlington-Rock Island Railroad. Its primary connections included Chicago, Minneapolis-St. Paul, St. Louis, Kansas City and Denver. Because of this extensive trackage in the midwest and mountain states, the railroad used the advertising slogans "Everywhere West", "Way of the "Zephyrs"", and "The Way West". It merged into Burlington Northern in 1970.
Document 7: Hinckley Subdivision: The Hinckley Subdivision or Hinckley Sub is a railway line operated by BNSF Railway between Coon Rapids, Minnesota, and Boylston Junction between Foxboro and Superior, Wisconsin. Before the Burlington Northern merger of 1970, this line was formerly owned by Great Northern Railway. The line branches off to the north from the Staples Subdivision at Coon Creek Junction in Coon Rapids, and ends where it meets the Lakes Subdivision that brings the rails into Superior and Duluth, Minnesota. This is the only active rail line between Duluth–Superior and Minneapolis–Saint Paul, so the other Class I railroads operating in Minnesota, including Canadian Pacific, Canadian National and Union Pacific have at times acquired trackage rights on the route. As of May 2013, about 14 trains per day used the route.
Document 8: Billings Depot: The Northern Pacific Billings Depot is a historic train depot in the Historic District of downtown Billings, Montana. The depot was constructed to serve as a passenger station for the Northern Pacific Railway, Great Northern and Chicago, Burlington and Quincy. All three railroad merged to form the Burlington Northern Railroad in 1970, along with the Spokane, Portland and Seattle Railway. In 1971 Amtrak took over passenger service throughout the country.
Document 9: Morris Subdivision: The Morris Subdivision or Morris Sub is a railroad line that runs about 113 mi from Breckenridge to Willmar, Minnesota. Currently operated by BNSF Railway, this was part of the Great Northern Railway's transcontinental line from Minneapolis to Seattle, Washington. Today (as of 2010), BNSF's Northern Transcon travels up the Staples Subdivision instead, which is a more direct route to Fargo, North Dakota.
Document 10: 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.
Document 11: Aurora Subdivision: The Aurora Subdivision or Aurora Sub is a railway line in Wisconsin and Illinois operated by BNSF Railway. It is part of BNSF's Chicago, Illinois, to Seattle, Washington, Northern Transcon. This segment runs about 262 mi from the St. Croix Subdivision in La Crosse, Wisconsin, to the Chicago Subdivision in Aurora, Illinois.
Document 12: BNSF Railway (Metra): The BNSF Railway Line is a Metra commuter rail line operated by the BNSF Railway in Chicago and its surrounding suburbs. In 2010, the BNSF Railway Line continued to have the highest weekday ridership (average 64,600) of the 11 Metra lines. (Metra does not refer to its lines by particular colors, but the timetable accents for the BNSF line are "Cascade Green," like the paint of the Burlington Northern Railroad.) In July 2017, the public timetable (published October 9, 2016) showed 47 trains leaving Chicago each weekday, of which 31 run to Aurora. Of the 16 trains that do not reach Aurora, 5 terminate at Route 59, 1 at Naperville, 1 at Downers Grove-Main St., 5 at Fairview Avenue, 3 at Westmont, and 1 at Brookfield. The public timetable (published October 9, 2016) also showed 47 trains arriving in Chicago each weekday, of which 29 start in Aurora. Of the 18 trains that do not start in Aurora, 6 start at Lisle, 1 at Downers Grove-Main St., 7 at Fairview Avenue, 1 at Highlands, and 3 at Brookfield.
Document 13: Northern Pacific Railway: The Northern Pacific Railway (reporting mark NP) was a transcontinental railroad that operated across the northern tier of the western United States, from Minnesota to the Pacific Northwest. It was approved by Congress in 1864 and given nearly 40000000 acre of land grants, which it used to raise money in Europe for construction.
Document 14: St. Paul Subdivision: The St. Paul Subdivision or St. Paul Sub is an 30.9 mi railway line running from Minneapolis through neighboring Saint Paul, Minnesota and on into Saint Paul's southeastern suburbs along the Mississippi River. It is a segment of BNSF Railway's Northern Transcon which runs from Chicago, Illinois to Seattle, Washington. Between Minneapolis and Saint Paul themselves, this route runs on former Northern Pacific Railway trackage, and now forms the northern set of BNSF tracks running between the two cities. The companion route running slightly to the south is the Midway Subdivision, though the St. Paul Subdivision is the busier set of tracks, hosting about 59 trains per day as of April 2009. It is the second-busiest rail line in the state, after the segment of the Staples Subdivision between Fridley and Coon Rapids.
Document 15: Great Northern Railway (U.S.): The Great Northern Railway (reporting mark GN) was an American Class I railroad. Running from Saint Paul, Minnesota, to Seattle, Washington, it was the creation of 19th-century railroad entrepreneur James J. Hill and was developed from the Saint Paul & Pacific Railroad. The Great Northern's (GN) route was the northernmost transcontinental railroad route in the U.S.
ground_truth: The Midway Subdivision