Old MBTA Rapid Transit system map, reflecting network from 1967 (line colors assigned) to 1969 ("A" Branch discontinued).
Map by Cambridge Seven Associates for the Massachusetts Bay Transportation Authority.<br> Photograph taken by <a href="https://en.wikipedia.org/wiki/User:Angrtre" class="extiw" title="wikipedia:User:Angrtre">Angrtre</a> at <a href="https://en.wikipedia.org/wiki/" class="extiw" title="wikipedia:">English Wikipedia</a>.
This map was displayed at Orient Heights station until 2012; this photograph was taken by a Wikipedia user in 2010.