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Altoona Subdivision
A westbound EMD SD70AH on the Altoona Subdivision
Overview
Status	Active
Owner	Union Pacific Railroad
Locale	Minnesota, Wisconsin
Termini	Saint Paul Altoona
Service
Type	Freight
System	Northern Region, Great Lakes Service Unit
Operator(s)	Union Pacific Railroad
History
Commenced	1868
Completed	1872
Technical
Line length	90.7 mi (146.0 km)
Number of tracks	1–2
Track gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Route map Legend west 0.0 Saint Paul 11.6 Lake Elmo to Oak Park Heights 18.4 Lakeland 18.6 Minnesota Wisconsin St. Croix River 18.9 Hudson 21.9 Northline 23.6 Sono Junction 29.9 Roberts 34.3 Hammond 40.0 Baldwin 44.1 Woodville 45.2 Johnson 47.1 Hersey 50.6 Wilson 55.4 Knapp 64.0 Menomonie 68.7 Rusk 76.5 Elk Mound 82.6 Truax 87.1 to Chippewa Falls 88.0 Eau Claire 90.7 Altoona east to Wyeville Subdivision

The Altoona Subdivision or Altoona Sub is a 90.7-mile (146.0 km) railway line owned and operated by the Union Pacific Railroad in the states of Minnesota and Wisconsin. The line originates in Saint Paul, Minnesota, crosses the St. Croix River on the Hudson Bridge into Hudson, Wisconsin, and eventually terminates in Altoona, Wisconsin where it connects to the Wyeville Subdivision. This subdivision is formerly a Chicago and North Western Railway (C&NW) mainline, on which the Twin Cities 400 operated in the mid 1900s.

History

1868 to 1956

In 1868, the West Wisconsin Railway began constructing a 188-mile route in the state of Wisconsin. Its purpose was to connect the Chicago and North Western line in Elroy west to Hudson. Construction was completed in 1872. This was the first segment built of what is now the Altoona Subdivision. Around the same time, the St. Paul, Stillwater and Taylors Falls Railroad built a line between Saint Paul and Taylors Falls, with a branch going to Hudson. In 1880, this line was conveyed to the Chicago, St. Paul, Minneapolis and Omaha Railway (Omaha Road), who had acquired the bankrupt West Wisconsin Railway two years earlier in 1878, giving them control over all the present-day Altoona Subdivision tracks. This Elroy to Minneapolis-Saint Paul line was known to the Omaha Road as the Eastern Division.

In 1882, Chicago and North Western invested about $10.5 million into purchasing the majority of the stock of the Omaha Road. Management of the company was reorganized and put under the C&NW. By 1913, the line was double-tracked.

In 1935, the C&NW had the inaugural run of the Twin Cities 400, with this section of track on its route (see Passenger operations).

1957 to 1994

On January 1, 1957, the C&NW began leasing the Omaha Road in order to gain total control. Through merging and other reorganizations, the Omaha Road had effectively come to an end. In 1972, the company officially terminated and fully became part of the Chicago and North Western Railway. The line that would become the Altoona Subdivision was now completely owned and operated by the C&NW.

Now that the C&NW had complete control, they referred to the majority of the line as the Eau Claire Subdivision. The former St. Paul, Stillwater and Taylors Falls Railroad section to Taylors Falls, which had been shortened to Stillwater, became known as the Stillwater Subdivision. This short stretch of track served industries in Bayport, Minnesota.

In 1963, the Twin Cities 400 was discontinued and the line was single-tracked soon after.

1995 to present

In 1995, Union Pacific announced its plans to acquire 100 percent of the C&NW through buying stock. April 24, 1995, was the last day of independent operation. The following day, all of Chicago and North Western's assets, including the Eau Claire and Stillwater Subdivisions, had officially become part of the Union Pacific. The Eau Claire Subdivision's mileage was modified slightly and was renamed to the Altoona Subdivision. The Stillwater Subdivision was merged into the Altoona Subdivision and is now known as the Stillwater Industrial Lead, still serving Bayport.

Until 1999, there was a spur off of the Altoona Subdivision in Hudson, Wisconsin, that led up to Spooner. This was bought by the C&NW until they tore up the tracks in 2000. They would serve bags, machines, metal, and copper to the Accu-Tech Tool & Design, Inc. in Hudson, and coal up to Spooner to operate plants.

From 2003 to 2015, the Norfolk Southern Railway ran their Triple Crown roadrailer trains (Symbol Z-EMCH, Twin Cities to Chicago) on the Altoona Subdivision using trackage rights. These trains usually carried Ford automotive parts to Chicago. Norfolk Southern ended 60 percent of their Triple Crown routes on December 11, 2015, including service to the Twin Cities and many others.

The Minnesota Commercial Railway, using trackage rights on the Altoona Subdivision, served Andersen Corporation with a weekly delivery of lumber and sand. The train was known as the "Bayport Job". However in 2017, Minnesota Commercial ceased operations of this train due to cost concerns.

As of 2015, the Altoona Subdivision is one of Union Pacific's less dense lines, usually seeing up to three to five trains per day on the Minnesota side. The Wisconsin side sees a few more trains due to short locals delivering to industries. This subdivision does not have any single or double stack intermodal traffic.

In 2019, the 150th anniversary of the First transcontinental railroad, a Union Pacific excursion train ran on the Altoona Subdivision as part of the "Great Race Across the Midwest" celebratory tour. The train was led by UP 4014, a 4-8-8-4 Big Boy-type steam locomotive. The Big Boy traveled the entire Altoona Subdivision in one day, attracting many visitors in local communities.

Passenger operations

Twin Cities 400

The Altoona Subdivision was part of the Twin Cities 400's route from 1935 to 1963 when it was discontinued. The "400" operated between Chicago and Saint Paul, with a final stop in Minneapolis. The Twin Cities 400 experienced great success, resulting in the creation of an entire fleet of trains carrying the "400" name. These trains earned Chicago and North Western the nickname "Route of the 400".

On July 30, 1959, the Twin Cities 400 left the rails between Knapp, Dunn County, Wisconsin and Menomonie, Wisconsin. Fifty people were taken to area hospitals with injuries out of the 115 passengers.

Hudson Bridge

When the line reaches the St. Croix River, it crosses into Wisconsin via the Hudson Bridge. The bridge starts south of Bayport, Minnesota, and lands in Hudson, Wisconsin. Its current incarnation was constructed in 1912 by the American Bridge Company of New York. Originally, it was a wooden swing span with a 1,000 ft trestle on the east side. In 1881, many sections were rebuilt into lattice style. The bridge is a swing bridge and is left in the open position unless in use by a train. To use the bridge, train crews call the operator via radio.

References

1. ^ "Railroad Operating Information: Union Pacific Altoona Subdivision". Chicago Transit & Railfan.
2. ^ "Chicago and North Western Transportation Company Timetable No. 13" (PDF). April 10, 1994. p. 48 – via MultiModalWays.
3. ^ Marvig, John (June 25, 2019). "Hudson Swing Bridge". John Marvig Railroad Bridge Photography.
4. ^ Yesterday and Today: A History of the Chicago and North Western Railway System (3rd ed.). Winship Company, Printers. 1910. p. 84 – via Archive.org.
5. ^ Piersen, Joe. "Chicago St. Paul Minneapolis & Omaha - A Capsule History". Chicago & North Western Historical Society.
6. ^ Piersen, Joe. "Chicago & North Western - A Capsule History". Chicago & North Western Historical Society.
7. Union Pacific Twin Cities Area Employee Timetable #3. Union Pacific Railroad. 2007. p. 4.
8. A-Rail Productions. "3 Final Triple Crown trains led by a SD70,EX-UP SD90/43AC and a CP AC4400CW". YouTube.
9. A-Rail Productions. "Minnesota Commercials Bayport job with a pair of B23-7's". YouTube.
10. SD457500. "Minnesota Commercial's Bayport Job - The Last Run". YouTube.{{cite web}}: CS1 maint: numeric names: authors list (link)
11. "Twin Cities Area Freight Railroad Map" (PDF). Minnesota Department of Transportation. January 2015.
12. "Twin Cities 400". American-Rails.com.
13. Line of trees averts tragedy when train derails Chippewa Herald, reprint August 9, 2009

• Union Pacific Railroad lines
• Rail infrastructure in Minnesota
• Rail infrastructure in Wisconsin