Harrison is an 'l' subway station on the CTA's Red Line.
The station opened on October 17, 1943, as part of the State Street Subway.
Harrison received a new escalator in 2004. In 2006, the KDR standard
signage at Harrison was replaced by the newer Current Graphic Standard signage.
On February 9 2009, a new auxiliary entrance at Polk street was opened due to
an increase of both business and residents living in the South Loop neighborhood.
October 8, 2018