Assertion: railroad's track | /r/HasProperty | single
Facets:
Source sentences:
text: Railways that become especially busy in wartime and are duplicated, especially in World War I, may revert to single track when peace arises and the extra capacity is no longer required.
text: A double-track railway operating only a single track is known as single-line working.
text: If the railroad has a single track but happens to own 20 feet on either side of it, the legal distance has nothing to do with the track--the legal distance is 20 feet.