Hearings are being held this month (sorry many of the dates passed already) regarding extending the CTA Red Line 95th Street to 130th Street, the Yellow Line Dempster Street to Old Orchard Road, and the Orange Line from Midway Airport to 76 Street in Ford City. Details for each:

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The Red Line Extension Project would extend the transit line from the 95th Street Station to 130th Street in the Far South.

More here.
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The Yellow Line Extension Project would extend the transit line from Dempster Station to Old Orchard Road in Skokie.

More here.
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The Orange Line Extension Project would extend the transit line from the Midway Station at the Midway International Airport to approximately 76th Street near Ford City.

More here.