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Baltimore and Potomac Tunnel

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Ready To Build: Baltimore & Potomac Tunnel

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Plans To Rebuild B&P Tunnel Generating Some Opposition

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RARE, Inside Amtrak’s B&P/Baltimore tunnel

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Baltimore, Maryland, two mile long tunnel

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Is This The Scariest Bridge In America?

The Baltimore and Potomac Tunnel is a double-tracked, masonry arch railroad tunnel on the Northeast Corridor in Baltimore, Maryland, just south of Pennsylvania Station. Opened in 1873, the tunnel is used today by about 140 Amtrak and MARC passenger trains and two freight trains every day.
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