The Lost Subways of North America

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[Dan-zzjb]

Existing subway lines can be made to be automated and this is happening in many cities around the world.

[EdwardM-tp]

Boston had 452 miles of streetcar lines most of which fed into the Green Line but all but 3 surface trolley lines were eliminated and 1 was trimmed, even though 3 grade separated light rail lines were built (Riverside, Union Square, Medford Tufts). Fewer trams operate inside the tunnel today than trolleys did decades ago yet travel times are longer and service more unreliable.