The North Side Main Line is a branch of the Chicago "L" system that is used by Red, Purple, and Brown Line trains. As of 2012, it is the network's busiest rail branch, serving an average of 123,229 passengers each weekday.[1] The branch is 10.3 miles (16.6 km)[2] long with a total of 21 stations, from Howard Street in Rogers Park down to Lake Street in Chicago's Loop. The branch serves the north side of the city 24 hours a day, seven days a week.

North Side Main Line
Brown and Purple Line Express trains run above Franklin Street
Overview
StatusOperational
LocaleChicago, Illinois, United States
Termini
Stations21
Service
TypeRapid transit
SystemChicago "L"
ServicesRed Purple Brown
Operator(s)Chicago Transit Authority (1947–present)
Chicago Rapid Transit Company (1924–1947)
Northwestern Elevated Railroad (1900–1924)
Rolling stock2600-series, 3200-series, 5000-series
Daily ridership147,042
(average weekday 2019)
History
OpenedMay 31, 1900
Technical
Line length10.3 mi (16.6 km)
CharacterElevated
Track gauge4 ft 8+12 in (1,435 mm) standard gauge
ElectrificationThird rail, 600 V DC
Route map

2
1
4
3
1, 4: Tracks 1 & 4
2, 3: Tracks 2 & 3
(outer)
(inner)
Howard
Jarvis
Morse
Loyola
Granville
Thorndale
Bryn Mawr
Berwyn
Argyle
Lawrence
Wilson
Wilson Yard
Buena Yard
Buena
Sheridan
Grace
Addison
Vautravers
Building
Building
relocated
Clark
Ravenswood branch
to Kimball
Clark Junction
Belmont
Wellington
Diversey
Wrightwood
Fullerton
Webster
Armitage
Willow Portal
Willow
Halsted
Larrabee
Sedgwick
Schiller
Division
Church Curve
Oak
Chicago
Grand
Merchandise Mart
Kinzie
North Water Terminal

Since 2005, this branch has been renovated several times and is currently being reconstructed. On January 7, 2011, CTA requested a rehabilitation program for the North Side Main Line.[3] This project is part of the Red Ahead program.[4]

Route

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The North Side Main Line connects to five other branches of the Chicago 'L', including the Ravenswood branch which is served by the Brown Line, the State Street subway which is served by the Red Line, the Skokie Branch which is served by the Yellow Line, the Evanston Branch which is served by the Purple Line, and The Loop which is served by Brown and Purple Line trains. North of Howard, the Purple Line continues to Evanston and Wilmette, and the Yellow Line runs through southern Evanston en route to its terminus in Skokie.

The North Side Main Line serves the Near North Side, Old Town, Lincoln Park, Lakeview, Wrigleyville, Uptown, Edgewater and Rogers Park neighborhoods of Chicago, and has stops near Wrigley Field and Loyola University.

Connection

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Yellow and Purple Line trains merge onto the line at its northern terminus, the Howard Street Station. Red Line trains and the weekday rush hour Purple Line Express trains continue south on the part of the line that is known as the Howard Branch. The Ravenswood branch connects to the Main Line north of the Belmont station, where Brown Line trains merge onto the Main Line.

The part of the line south of this junction is known as the Loop Branch or the Ravenswood Connector. On the portion of this branch shared by Red and Brown Line trains, Red Line trains operate express on the inside tracks, while Brown and Purple Line Express trains run local on the outer two tracks. The Red Line passes through Wellington and Diversey stations (which is served mainly by Brown Line trains) and all trains make another stop at Fullerton.

After Fullerton, the Red Line descends into a portal after Armitage, and enters the State Street subway, while Brown and Purple Line express trains continue elevated for the remainder of the Main Line to Merchandise Mart, where they cross the Wells Street Bridge and enter the Loop at Tower 18.

History

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The line began operation on May 31, 1900, between The Loop and Wilson Avenue as the Northwestern Elevated Railroad. On May 16, 1908, service on the line was extended to Central street in Evanston.[2] From 1919 to 1963, the line was also utilized by interurban trains of the Chicago North Shore and Milwaukee Railroad.[5][6]

Since 2002, the main line has gone through plenty of renovations and rehabilitation projects and those projects are still going on as of today. Station renovations and track replacements have been happening ever since early 2012 and the CTA has been recently renovating all the Howard branch stations as part of the Red North Station Interim Improvements (see below).

Red North Station Interim Improvements

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In November 2011, the CTA announced the Red North project as part of the Red Line Capital Investment.[7] The cost of the project was $86 million with a $57.4 million contract granted to contractor Kiewit Infrastructure. The project included seven stations to be renovated which included Granville, Morse, Thorndale, Argyle, Berwyn, Lawrence, and Jarvis. The project started on June 1, 2012 at Granville and finished its renovation on December 13, 2012 at Jarvis. The project also caused the elimination of slow zones in which trains accelerate faster than usual.

Red & Purple Modernization Project

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As part of the program, the CTA also dubbed the "Red & Purple Modernization Project."[8] CTA recently studied four possible alternatives for the project and they are willing to provide community updates that can make improvements of those studies in late 2012 to 2013. CTA was proposing to close down five stations on the Red and Purple lines. The five potential stations include Foster, South Boulevard, Jarvis, Lawrence, and Thorndale.[9]

In 2011, CTA planned a scoping process and which they provided public meetings and a comment period. The purpose of the scoping process was to ask operators and attentive parties to provide guidance on the proposed alternatives, the purpose and need for the project and the proposed topics of evaluation and potential effects and mitigation measures to be considered. During the scoping process CTA introduced six alternatives as part of the project.

This project will completely rebuild the Lawrence, Argyle, Berwyn, and Bryn Mawr stations and the construction of a new Red-Purple bypass, construction on the project began on October 2, 2019 and will be completed in 2025.[10][11]

Wilson Station Reconstruction Project

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From 2014 to 2018, The Chicago Department of Transportation rebuilt the Wilson station, which serves as a major transfer point between Red and Purple Line Express trains.[12] The rebuilt station has a new main station entrance on the south side of Wilson, with two island platforms to provide access between the two lines, two auxiliary entrances: one at Sunnyside Avenue and one on the north side of Wilson.[13]

Reconstruction began in October 2014 and ended in February 2018. The station remained open during reconstruction. The complete set of renderings and boards on display during the open house meeting are now available.[14]

Station listing

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Station Location Notes
Howard     7519 N. Paulina Street Transfer station for all 'L' routes serving this station
Jarvis 1523 W. Jarvis Avenue
Morse 1358 W. Morse Avenue
Loyola   1200 W. Loyola Avenue
Granville   1119 W. Granville Avenue Edgewater, Berger Park
Thorndale 1118 W. Thorndale Avenue
Bryn Mawr 1119 W. Bryn Mawr Avenue
Berwyn 1121 W. Berwyn Avenue Originally known as Edgewater Beach
Argyle 1118 W. Argyle Street
Lawrence 1117 W. Lawrence Avenue
Wilson   4620 N. Broadway Street
Buena Buena Avenue and Kenmore Avenue Closed August 1, 1949; demolished
Sheridan 3940 N. Sheridan Road
Grace Grace Street and Sheffield Avenue Closed August 1, 1949; demolished
Addison   940 W. Addison Street
Clark Clark Street and Roscoe Street Closed August 1, 1949; demolished
Belmont   945 W. Belmont Avenue Transfer station for all 'L' routes serving this station
Wellington   945 W. Wellington Avenue
Diversey   943 W. Diversey Avenue
Wrightwood Closed August 1, 1949; demolished
Fullerton   943 W. Fullerton Avenue Transfer station for all 'L' routes serving this station
Webster Closed August 1, 1949; demolished
Armitage   944 W. Armitage Avenue
Willow Willow Street and Sheffield Avenue Closed May 17, 1942; demolished
Halsted Closed August 1, 1949; demolished
Larrabee Larrabee Street, Ogden Avenue and North Avenue Closed August 1, 1949; demolished
Sedgwick   1536 N. Sedgwick Street
Schiller Closed August 1, 1949; demolished
Division Closed August 1, 1949; demolished
Oak Oak Street and Orleans Street Closed August 1, 1949; demolished
Chicago   301 W. Chicago Avenue
Grand Grand Avenue and Franklin Street Closed September 20, 1970; demolished
Kinzie Kinzie Street and Wells Street Closed 1921; demolished; replaced by Grand
Merchandise Mart   350 N. Wells Street
North Water Terminal North Water Street and Clark Street Opened November 17, 1908, closed August 1, 1949; demolished
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See also

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References

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  1. ^ "2012 Annual Ridership Report" (PDF). Chicago Transit Authority. transitchicago.com. Archived from the original (PDF) on December 6, 2013. Retrieved January 2, 2014.
  2. ^ a b Garfield, Graham. "North Side Main Line". Chicago-L.org. Chicago 'L'. Retrieved July 19, 2012.
  3. ^ "CTA wants input on North Side Mainline Rehab". Prairie State Blue. Retrieved July 19, 2012.
  4. ^ "CTA Red Ahead". Chicago Transit Authority. Retrieved August 24, 2012.
  5. ^ Interurban to Milwaukee: Bulletin No. 106. Chicago, Illinois: Central Electric Railfans' Association. 1962. ISBN 9780915348060.
  6. ^ Route of the Electroliners: Bulletin No. 107. Chicago, Illinois: Central Electric Railfans' Association. 1963. ISBN 0-915348-07-1.
  7. ^ "CTA Red Ahead - Red North project". Chicago Transit Authority. Retrieved August 24, 2012.
  8. ^ "Red & Purple Modernization". Chicago Transit Authority. transitchicago.com. Retrieved December 8, 2012.
  9. ^ "Environmental Impact Statement Scoping Information" (PDF). North Red and Purple Modernization Project. Chicago Transit Authority. Archived from the original (PDF) on November 29, 2016. Retrieved January 28, 2011.
  10. ^ "Work Begins on CTA's $2 Billion Red & Purple Modernization Project". 2 October 2019.
  11. ^ "StackPath".
  12. ^ "Red Ahead - Wilson Station Reconstruction". Chicago Transit Authority. Retrieved October 6, 2012.
  13. ^ "Wilson Reconstruction Project Display Boards". Chicago Transit Authority. transitchicago.com. Retrieved October 13, 2012.
  14. ^ "Wilson Reconstruction Project Display Boards". Chicago Transit Authority. transitchicago.com. Retrieved October 13, 2012.
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