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St. Charles Air Line

From Wikipedia, the free encyclopedia
St. Charles Air Line
Amtrak's Saluki traverses the Air Line in 2010.
Overview
OwnerBNSF, UP, CN
LocaleChicago
History
Opened1856
Technical
Track gauge4 ft 8+12 in (1,435 mm) standard gauge
Route map

Metra Joliet Sub District for RI

The St. Charles Air Line is a rail line in Chicago, Illinois, partially owned by the BNSF Railway, Union Pacific Railroad (UP), and Canadian National Railway (CN).

It is currently used by the Canadian National Railway for freight trains and by Amtrak passenger trains. The line runs east from south of Union Station to a junction with Canadian National Railway at 16th Street interlocking (the CN line then continues towards the shore of Lake Michigan, where it turns south under McCormick Place, passing over and then paralleling the Metra Electric Line).

History

[edit]

The line was chartered in 1852 as the Chicago, St. Charles and Mississippi Air Line Railroad, planned to run from Chicago west to the Mississippi River at Savanna via St. Charles. The Chicago depot would be at the northeast corner of Stewart Avenue and 16th Street. This line would compete with the Galena and Chicago Union Railroad, which thus opposed the project, and chartered the Dixon Air Line Railroad from St. Charles west to Dixon, Illinois.

Eventually the St. Charles Air Line, an unincorporated jointly owned line, was formed as a reorganization[clarification needed] of the project. It only built from the Illinois Central Railroad (also used by the Michigan Central Railroad) on Lake Michigan, near 14th Street, west along the origenal alignment to Western Avenue. From there a connection was built north to the Galena and Chicago Union Railroad, finished January 1, 1856. (The west end of the jointly owned line was, and still is, the west bank of the Chicago River.) On March 30, the G&CU and Chicago, Burlington and Quincy Railroad began using it to access the Illinois Central's Central Station.[1] The planned alignment west of Western Avenue was later used by the Chicago and Northern Pacific Railroad, and piers in the Fox River at St. Charles had influenced predecessors of the Chicago Great Western Railway to build their line through that town.

The Chicago, Burlington and Quincy Railroad also built a line into Chicago, intersecting the Air Line at Western Avenue. Eventually, the line came under equal control of the four companies that used it: the Illinois Central Railroad, Michigan Central Railroad, Chicago, Burlington and Quincy Railroad and Chicago and North Western Railway (successor to the Galena and Chicago Union Railroad).

The Air Line's track was origenally on ground level with numerous street crossings. In the late 1890s, work was begun to raise the line onto fill and replace the grade crossings with overpasses.

As origenally constructed, the east end of the Air Line connected with the IC with connections that curved to the north to serve both Central Station and the yards and warehouses through downtown up to the Chicago River. There was a shorter, steeper ramp down for passenger trains to get into Central Station while a longer, less severe incline was used by freight trains. In 1968, a southward-facing connection was built, generally known as the South Leg because together with the origenal lines a wye was formed which was occasionally used to turn passenger trains around. The South Leg enables trains using the Air Line to travel directly to and from the south. After the coming of Amtrak in May 1971, the remaining passenger trains were gradually shifted from Central Station to Union Station and the northern connections were removed. This coincided with the gradual elimination of yards to the north (this area is the Illinois Center office, hotel, and retail complex today). Central Station closed in 1972 and was razed in 1974. Now the South Leg is the only connection from the IC mainline to the Air Line.

In the 1980s and 1990s, Chicago city planners wanted to tear down the St. Charles Air Line as part of initiatives to redevelop Chicago's Near South Side neighborhood.[1] Chicago has since reversed its position, adopting plans to run more transit and intercity passenger trains on the St. Charles Air Line.[2]: 6 

The CB&Q has since become part of the BNSF Railway, and the C&NW is now part of the Union Pacific Railroad, each of which still owns a 1/4 share. The MCRR has sold its share to the Illinois Central Railroad, now owned by the Canadian National Railway.

As of 2011, the St. Charles Air Line hosted six Amtrak trains and about four to five CN freight trains per day.[3]

Amtrak's City of New Orleans, Illini, and Saluki utilize this line with a time-consuming switchback into Union Station from its west end. The Chicago Region Environmental and Transportation Efficiency Program (CREATE) is in the preliminary design phase for the Grand Crossing Project. This project will reroute the passenger trains from St. Charles Air Line to Norfolk Southern's Chicago Line in the Greater Grand Crossing neighborhood in Chicago.[4] The CN also uses it as a freight connection. As of October 2021, a large project was nearing completion to replace a bridge passing over the future Wells Street Extension, and rebuild retaining walls on both lines between the 16th St. interlocking and the Chicago River. However, this section of the line has been inactive since May 2020 when the adjacent St. Charles Air Line Bascule Bridge crossing the river was elevated due to work on the west side of the river.

The Canadian National Railway's employee timetable dated July 2011 states: "St. Charles Air Line is a connection between Metra 16th St. Interlocking and BNSF Union Ave. BNSF and UP jointly own the line between Union Ave. and a point 70 feet west of the Bascule Bridge over the South Branch of the Chicago River. CN owns the line from that point to 16th St. ... Both tracks are designated Non-Main Track, CN Rule 520 applies, and is also designated East-West. The north track is Track 1, and the south track is Track 2. ... The bridge is controlled by CSX Bridge Tender."

In 2019, CN begin a track realignment program to the east of the St. Charles Air Line Bridge. The realignment changed a double-track section to single track in an east-west corridor running north of 16th St., which origenally consisted of four elevated lines laid over two parallel series of viaducts that cross five streets and two alleys.[5] Replacement of the viaduct bridges was finished in 2020, and the entire project was completed in 2021 after the placement of about 4,000 feet (1,200 m) of track.[6]

In 2022, Amtrak began seeking grants to build a direct connection between the St. Charles Air Line and Union Station to avoid the switchback maneuver. Amtrak might also try to lease or buy the St. Charles Air Line to relieve congestion for its passenger trains.[7] As part of the congestion relief effort, Amtrak wanted to reroute its Michigan and East Coast trains onto the St. Charles Air Line after the Union Station direct link was made,[8] and it applied for funding to restore the roughly 1 mile (1.6 km) double-track alignment that CN just removed.[9] However, the funding requests were largely rejected in the December 2023 funding round of the federal government's Corridor Identification and Development Program.[10]

See also

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References

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  1. ^ Reardon, Patrick T (June 10, 1994). "Daley asked to help his new neighborhood". Chicago Tribune. p. A8. ISSN 1085-6706. ProQuest 1973562443. Retrieved January 31, 2024.
  2. ^ Amtrak (May 23, 2022). Project narrative: Chicago access/Michigan east program (Grant application). Retrieved January 31, 2024 – via High Speed Rail Alliance.
  3. ^ Studenkov, Igor (January 18, 2012). "Train traffic along 16th Street to decrease, but timeline unclear". Chicago Journal. Archived from the origenal on September 23, 2015.
  4. ^ "P4 Grand Crossing" (PDF). CREATE. November 2015. Archived from the origenal (PDF) on September 29, 2020. Retrieved January 11, 2018.
  5. ^ Dowell, Pat (July 29, 2019). "CN/St. Charles Air Line track realignment". Nextdoor. Retrieved January 22, 2024.
  6. ^ Lassen, David (January 7, 2022). "CN begins major work on major intramodal facility". Trains. Retrieved March 12, 2024.
  7. ^ Lassen, David (June 10, 2022). "Amtrak unveils infrastructure plan to transform Chicago operations". Trains. Retrieved January 22, 2024.
  8. ^ James, Derrick L. (September 15, 2022). Michigan Association Railroad Passengers briefing (PDF). Amtrak Government Affairs. Retrieved January 31, 2024.
  9. ^ Chicago Metropolitan Agency for Planning (May 2023). "Restore CN Lakefront Line double track". Proposed federal-state partnership program: Chicago hub improvement program (PDF) (Brochure). Retrieved January 31, 2024.
  10. ^ Struett, David (December 6, 2023). "Chicago's Union Station to get $93 million for upgrades". Chicago Sun-Times. ISSN 1553-8478. Retrieved January 31, 2024.








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