The station is in Seat Pleasant on Central Avenue, although its official address puts it in Capitol Heights.

[5] In the early eighties, due to peculiarities of the system at the time, trains travelling toward Addison Road showed blue rollsigns, but switched to orange signs before departing westward, back into the city.

[6] In December 2003, security cameras at this station filmed a deer walking around the station mezzanine, running down an escalator, and going down the platform past a waiting train, as startled passengers watched.

[7] In December 2012, Addison Road was one of five stations added to the route of the Silver Line, which was originally supposed to end at the Stadium–Armory station, but was extended into Prince George's County, Maryland, to Largo (the eastern terminus of the Blue Line) due to safety concerns about a pocket track just past Stadium-Armory.

[9] In May 2018, Metro announced an extensive renovation of platforms at twenty stations across the system.