Transit Lines and Routes

A - C
Atlantic Avenue Elevated
Beacon Hill Tunnel
Blue Line
Boylston Street Subway
Cambridge Subway
Charlestown Elevated
Commuter Rail

D - F
Dorchester Tunnel and Extension
East Boston Ferries
East Boston Tunnel and Extension
East Cambridge Extension and Viaduct
Everett Extension
Forest Hills Extension

G - H
Granite Railway
Green Line
Haymarket-North Extension
Highland Branch (Riverside Line)
Huntington Avenue Subway

M - R
Main Line Elevated
Mattapan High Speed Line
Meigs Elevated Railway
Northwest Extension
Orange Line
Reading Extension
Red Line
Revere Extension

S - Z
Silver Line
South Shore and Braintree Extensions
Southwest Corridor
Sumner Tunnel
Tremont Street Subway
Washington Street Elevated
Washington Street Tunnel
Winnisimmet Ferry