EntityQ611627· pop 6· linked from 85 articlesbreather switchSign in to saveinternational gap in railway to allow for track expansionWikidata factsImageMODULE 8.jpgvia Wikidata · CC0Connectionsrailway trackEntitysignalling controlEntityrubber-tyred metroEntitytrainEntityrailway stationEntitydigital object identifierEntityInternational Standard Serial NumberEntityinfrastructureEntityNew York City SubwayEntityQ180686EntityTGVEntitybibcodeEntitytrack gaugeEntityviaductEntityQ229883EntityrailEntitylevel crossingEntityrailway platformEntityrailroad switchEntityrailroad tieEntityCategoriesPermanent way