Blue Line service changes through March 22

Date: 
03/15/2019
BlueLineTrain

Chicago Transit Authority (CTA) recommends Blue Line riders allow extra travel time while maintenance is being performed along the line through March 22.

Delays between Harlem (O'Hare branch) and Jefferson Park

From 11 p.m. Fri., Mar. 15 to 4 a.m. Sat., Mar. 16 

Trains in both direction will operate on the same track between Harlem (O'Hare branch) and Jefferson Park

Maintenance is being done on signals to ensure safe operations. 

Boarding changes between O'Hare and Cumberland

From 10 p.m. Sun., Mar. 17 to 4 a.m. Mon., Mar. 18
From 10 p.m. Mon., Mar. 18 to 4 a.m. Tues., Mar. 19 

Board and exit on the O'Hare-bound platform at the Rosemont station

Trains in both direction will operate on the same track between O'Hare and Cumberland

Maintenance is being done on tracks to ensure safe operations. 

Boarding changes between Rosemont and Harlem (O'Hare branch)

From 10 p.m. Tues., Mar. 19 to 4 a.m. Wed., Mar. 20 

Board and exit on the O'Hare-bound platform at the Cumberland station

Trains in both direction will operate on the same track between Rosemont and Harlem (O'Hare branch)

Maintenance is being done on signals to ensure safe operations. 

Boarding changes between Montrose and Harlem (O'Hare branch)

From Wed., Mar. 20 to Thurs., Mar. 21 nightly
From 10 p.m. to 4 a.m. next day 

Board and exit on the Forest Park-bound platform at the Jefferson Park station

Trains in both direction will operate on the same track between Montrose and Harlem (O'Hare branch)

Maintenance is being done on signals to ensure safe operations.

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