On February 9, 2009, an auxiliary entrance at Polk Street that was closed in 1968 was reopened due to an increase of both business and residents living in the South Loop neighborhood. On April 14, 2014, the Polk Street auxiliary entrance was temporarily closed, reopening on May 25, 2014.
The text describes a recurring pattern of opening and closing an auxiliary entrance at Polk Street, which was closed for a period of time before reopening due to increased demand from residents and businesses in the South Loop neighborhood.