Английская Википедия:Henryton Tunnel
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Шаблон:Infobox tunnel The Henryton Tunnel, located near Henryton in southern Carroll County, Maryland, is the third-oldest tunnel in the world that remains in active railroad use.[1] Constructed by the Baltimore and Ohio (B&O) Railroad and opened around 1850, it was the first tunnel constructed on the B&O's Old Main Line. In 1865 the tunnel was widened to accommodate double track. It was rebuilt into its current form in 1903. The tunnel has brick portals and lining. The coping and footings are concrete.[2]Шаблон:Rp
See also
References
External links
- Steve Okonski's B&O RR Photo Tours from Woodstock to Henryton photos of the tunnel and its approaches
- Patapsco Valley State Park
Шаблон:US-rail-transport-stub
Шаблон:US-tunnel-stub
- ↑ Steve Okonski's B&O RR Photo Tours from Woodstock to Henryton
- ↑ Шаблон:Cite book
Категории:
- Английская Википедия
- Railroad tunnels in Maryland
- Baltimore and Ohio Railroad tunnels
- CSX Transportation tunnels
- Transportation buildings and structures in Carroll County, Maryland
- Tunnels completed in 1850
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