Addison is an 'L' station on the CTA'sBrown Line. It is an elevated station with two side platforms, located at 1818–20 West Addison Street in Chicago'sNorth Center neighborhood. The stations that are adjacent to Addison are Irving Park, one half mile (0.8 km) to the north, and Paulina, about three eighths of a mile (0.6 km) to the southeast.
The Brown Line Capacity Expansion Project aims to allow eight car trains on the Brown Line by the extension of the platforms at all stations. At the same time all Brown Line stations are being upgraded to meet ADA requirements. On December 2, 2006, Addison Station closed for 12 months to be rebuilt as part of this project. It reopened on December 3, 2007, the same day which Irving Park Station closed for renovations.