Places Filter: Tunnels | Bridges
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Description: The Baltimore Harbor Tunnel, officially known as the Baltimore Harbor Tunnel Thruway, is a significant vehicular tunnel in Maryland that facilitates the movement of traffic beneath the Patapsco River, connecting the city of Baltimore with its southeastern suburbs. Opened in 1957, the tunnel spans approximately 1.4 miles and is a critical component of Interstate 895, providing an essential route for both local commuters and long-distance travelers. The tunnel's construction was a remarkable engineering feat of its time, designed to alleviate congestion in downtown Baltimore and improve the efficiency of the regional transportation network. Over the years, the Baltimore Harbor Tunnel has undergone various maintenance and modernization efforts to ensure safety and accommodate increasing traffic volumes, continuing to serve as a vital infrastructure asset for the region.