Mayor Rahm Emanuel and Governor Pat Quinn announced on December 5, 2013, a $429 million comprehensive improvement plan called "Your New Blue" for the O'Hare branch and Dearborn Street Subway, both a part of the Blue Line.
In December 2013, Mayor Rahm Emanuel and Governor Pat Quinn announced a $429 million plan for improvements to the O'Hare branch and Dearborn Street Subway, which are sections of the Blue Line.