45th Street was a New York subway station of the R train, located near Sunset Park on 45th Street in Brooklyn.
The Tenth Doctor and Gabby Gonzalez got off the subway at this station after an attack of Cerebravores. (COMIC: Revolutions of Terror)
The Tenth Doctor and Cindy Wu took the R train from Manhattan to this station to get to the TARDIS left in Sunset Park. (COMIC: Spiral Staircase)