Rail Service Temporarily Suspended in Blue Line’s Dearborn Subway This Weekend as Work Continues

August 27, 2009

Rail service between the Blue Line’s Western/Milwaukee and Washington stations temporarily will be suspended from 10 p.m. Friday, August 28 until 4 a.m. Monday, August 31 as work continues in the Dearborn subway to reduce slow zones. 

Bus shuttles will operate as a substitute for rail service making stops at Western/Milwaukee, Damen, Division, Chicago, Grand, adjacent to Clark/Lake (southbound buses on Clark and northbound buses on LaSalle), Washington, Monroe and Jackson.

The Western/Milwaukee and Jackson stations are accessible to customers with disabilities.

In addition, a single track will be in effect between the UIC-Halsted and LaSalle stations from midnight until 2 a.m. on Monday, August 31.  Eastbound customers at the UIC-Halsted, Clinton and LaSalle stations must board and exit trains from the westbound side of the platform. 

Trains will operate normally between the O’Hare and the Western/Milwaukee stations.  Customers are advised to allow extra travel time.  CTA operators will announce the direction of each train.

In 2007, CTA began a project to eliminate existing slow zones in the Dearborn subway that were having a major impact on travel time for riders.  With the funds available at the time, CTA was able to make repairs that allowed trains to resume normal speeds.

From July to September 2007, repairs were made to 6,336 feet of slow zones between the Damen and Clark/Lake stations. Crews replaced more than 5,000 deteriorated wooden rail ties with concrete rail ties. 

Recently the CTA received federal stimulus funding that allows it to renew all of the remaining track (approximately seven miles or 39,000 feet) from Division on the O’Hare branch to Clinton on the Forest Park branch.  Crews are replacing deteriorated wooden half ties with concrete half ties, running rail and contact (third) rail to remove emerging slow zones and help prevent the creation of new slow zones. 

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