Blue Line service changes through March 22

Blue Line travel alerts from the Chicago Transit Authority (CTA) are through March 22 and include notice of extra service for the St. Patrick's Day celebrations. 

For St. Patrick's Day celebrations, longer trains will operate in both directions between O’Hare and Forest Park from 8 a.m. to  6 p.m. 

Passengers are advised to allow extra travel time during the overnight hours when maintenance is underway. 

Boarding changes between LaSalle and Grand

From 11 p.m. Fri., Mar. 16 to 4 a.m. Sat., Mar. 17
Board and exit trains on the Forest Park-bound side of the platform at the Jackson, Monroe, Washington and Clark/Lake stations. 

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

Boarding changes between Grand and LaSalle 

From 11 p.m. Sun., Mar. 18, to 4 a.m. Mon., Mar. 19
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. 

Boarding changes between LaSalle and Grand 

Nightly, Mon., Mar. 19, and Thurs., Mar. 22, from 11 p.m. to 4 a.m. next day
Board and exit trains on the Forest Park-bound side of the platform at the Jackson, Monroe, Washington and Clark/Lake stations. 

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