On Friday between 4-7 p.m., the Millennium Station entrance located on the southwest corner of Michigan and Randolph will be closed for a presidential event. Elevator access will be available for ADA customers.
Alternate stair accessibility will be located in the Smurfit-Stone Building at the northwest corner of Michigan and Randolph.
The Metra Electric and Northern Indiana Commuter Transit District trains leave from the station.
President Barack Obama returns to Chicago Friday to raise money for his re-election campaign and the Democratic Party.
He left Washington Friday morning aboard Air Force One.
After making a stop in Minnesota, the president will attend three fundraisers in Chicago.
More than 350 are expected for a fundraiser at the Cultural Center. Obama will attend two smaller fundraisers -- one in the Gold Coast community, the other in the South Loop.
Obama will spend the night in his South Side home and return to Washington Saturday.