44th Street (Manhattan)
From Tardis Wiki, the free Doctor Who reference
On a back alley very near to 44th Street in New York City, the first Melody Pond regenerated into "Mels", who would travel to England and befriend her mother and father. (TV: Day of the Moon, Let's Kill Hitler)
Behind the scenes
The street is identified by set decoration alone: a large sign in the background of the shot which announces parking for 44th Street.