Assertion: railroad's track | /r/ObjectUse | used in each direction
Facets:
Source sentences:
text: A quadruple-track railway (also known as a four-track railway) is a railway line consisting of four parallel tracks, with two tracks used in each direction.
text: In November 1929, the New York Central prepared to install bidirectional signaling and shorten signal blocks between Grand Central and 162nd Street on the Harlem Division and High Bridge on the Hudson Division, allowing all four tracks in the Park Avenue Tunnel to be used in either direction.