Premodifier: railroad
Head noun: track

Same concepts
http://dbpedia.org/resource/Track_(rail_transport)

Narrower concepts

labelprovenanceconfidence
streetisap:1191552540.346849
cityisap:948879530.331493
timeisap:950139650.261480
thereisap:3729048700.220807
buildingisap:3604870710.214697