Baltimore and Potomac Tunnel

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:railway_line
gptkbp:connects	gptkb:West_Baltimore gptkb:Penn_Station_(Baltimore)
gptkbp:crosses	gptkb:West_Baltimore
gptkbp:length	7,669 feet
gptkbp:location	gptkb:Baltimore,_Maryland
gptkbp:namedAfter	gptkb:Baltimore_and_Potomac_Railroad
gptkbp:numberOfTracks	2
gptkbp:opened	1873
gptkbp:operator	gptkb:Amtrak
gptkbp:owner	gptkb:Amtrak
gptkbp:replacedBy	gptkb:Frederick_Douglass_Tunnel
gptkbp:status	in use
gptkbp:structureType	brick-lined tunnel
gptkbp:usedBy	gptkb:Northeast_Corridor gptkb:MARC_Penn_Line
gptkbp:bfsParent	gptkb:Pennsylvania_Railroad
gptkbp:bfsLayer	5
https://www.w3.org/2000/01/rdf-schema#label	Baltimore and Potomac Tunnel