Blue Line service changes between March 26 and March 29

The Chicago Transit Authority (CTA) warns of possible travel delays due to track maintenance and advise passengers to allow for extra travel time.

Boarding changes between Grand and LaSalle 

Nightly from 11 p.m. Mon., Mar. 26, to 4 a.m. Fri., Mar. 30
Board and exit trains on the O'Hare-bound side of the platform at the Clark/Lake, Washington, Monroe and Jackson stations.

Trains in both directions will operate on the same track between LaSalle and Grand.