Service changes on the Blue Line between April 29 and May 3

Work for the New Blue Line may cause minor delays nightly on the Blue Line, according to the Chicago Transit Authority (CTA).

They advise travelers to allow extra time for their rides.

Boarding changes between Montrose and Harlem (O'Hare)

Nightly Mon., Apr. 29 to May 3

From 10 p.m. to next morning at 4 a.m.  

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).