Buslinie D1 auf der Karte von Washington, D.C.

Tunlaw Road Northwest - 39th Street Northwest - Calvert Street Northwest - 41st Street Northwest - Edmunds Street Northwest - 39th Street Northwest - Benton Street Northwest - Tunlaw Road Northwest - 37th Street Northwest - Whitehaven Pky Northwest - 35th Street Northwest - Q Street Northwest - Massachusetts Avenue Northwest - 20th Street Northwest - New Hampshire Avenue Northwest - 21st Street Northwest - K Street Northwest - 13th Street Northwest - I Street Northwest