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About: Henryton Tunnel     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:WikicatRailroadTunnelsInMaryland, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: Thinginfrastructureroute of transportationrailway tunnelyago:WikicatCSXTransportationTunnelsyago:WikicatTunnelsCompletedIn1850geo:SpatialThingarchitectural structurewikidata:Q1311958yago:Artifact100021939yago:Object100002684yago:Passage103895293yago:Passageway103895585yago:PhysicalEntity100001930yago:RailroadTunnel104048441yago:YagoGeoEntityyago:YagoPermanentlyLocatedEntityyago:Tunnel104497962yago:Way104564698yago:Whole100003553yago:WikicatRailroadTunnelsInMaryland New Facet based on Instances of this Class

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. 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.