Geographic map of the former MBTA Green Line "A" Branch (Watertown Line), made from OpenStreetMap data. Routes are as they were in 1969; the Causeway Street (Green Line) and Washington Street and Charlestown (Orange Line) elevateds are shown.
<a href="//commons.wikimedia.org/wiki/User:Pi.1415926535" title="User:Pi.1415926535">Pi.1415926535</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>