Wabash Tunnel
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The Wabash Tunnel is a former railway tunnel through Mt. Washington in the city of Pittsburgh, Pa. Constructed early in the 20th century by railroad magnate George J. Gould, it has never been of much use. His Wabash Railroad venture into Pittsburgh ended after 3 or 4 years. The Wabash Tunnel was abandoned and unused for about 60 years (c. 1944-2004), and most of that time passed by with its entrances sealed.
A little-used HOV (high-occupancy vehicle) lane has been in use since 2004. The cost to maintain it is excessive, and there is talk of abandoning it. The Fort Pitt Tunnel to the west and the Liberty Tunnels to the east carry nearly all of the vehicular traffic.