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CTA Blue Line shutdown between O’Hare and Rosemont starts this weekend

Expect delays during the nine-day disruption

A commuter subway train in an underground station with concrete concourse and glass-block walls.
The O’Hare station will see no inbound or outbound trains until the morning of October 7.

Air travelers beware: the CTA Blue Line will shut down for nine days between Rosemont and O’Hare International Airport beginning at 10 p.m. on Friday, September 27. Rail service to O’Hare will resume nine days later at 4 a.m. on Monday, October 7.

Passengers will have access to a free CTA shuttle between the Rosemont station and the airport, but should expect delays. The buses will operate every 3 to 5 minutes during weekdays and every 10 minutes during overnight hours.

The buses will travel to Terminals 1, 2, and 3. Customers moving to and from Terminal 5 will need to use the airport’s shuttle to connect to the CTA buses. Customers are encouraged to check the CTA’s website for the most up-to-date service information.

The work is part of an ongoing $207 million CTA project to upgrade the 35-year-old signal system along the 16 miles of track between the Jefferson Park and O’Hare stations on the city’s Northwest Side. Service disruptions began in May. The date of a second upcoming line cut has yet to be announced.

A sign explaining the service disruption between  Rosemont and O’Hare, September 27 to October 7.
The CTA posted notices ahead of the disruption.
Jay Koziarz

Meanwhile, the Blue Line’s Division station remains closed to O’Hare-bound trains. The CTA recommends that customers traveling from Division take Forest Park-bound trains to Chicago Avenue and transfer to an O’Hare-bound train. Riders trying to reach the Division stop on an O’Hare-bound train can exit at Damen and travel in the opposite direction. The CTA expects normal service at Division to resume on October 18.