<P> The Tremont Street Subway in Boston 's MBTA Subway system is the oldest subway tunnel in North America and the third oldest worldwide to exclusively use electric traction ( after the City and South London Railway in 1890 , and the Budapest Metro 's Line 1 in 1896 ) , opening on September 1 , 1897 . It was originally built to get streetcar lines off the traffic - clogged streets , instead of as a true rapid transit line . It now forms the central part of the Green Line , connecting Boylston Street to Park Street and Government Center stations . </P>
<P> The Tremont Street Subway in Boston 's MBTA Subway system is the oldest subway tunnel in North America and the third oldest worldwide to exclusively use electric traction ( after the City and South London Railway in 1890 , and the Budapest Metro 's Line 1 in 1896 ) , opening on September 1 , 1897 . It was originally built to get streetcar lines off the traffic - clogged streets , instead of as a true rapid transit line . It now forms the central part of the Green Line , connecting Boylston Street to Park Street and Government Center stations . </P>
what is the oldest subway system in the us
what is the oldest subway system in the us
Tremont Street Subway
Tremont Street Subway