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underground railway
underground railway
synonyms
subway
metro
tube
underground
elevated railway
trolley line
streetcar line
railway
rail line
railroad
monorail
tracks
Tube
line
underway
rapid transit
monorailway
monorailroad
junction
track
road
underpass
flyunder
railway line
subterrain
hole
roadway
vestibule
overpass
pot
artery
crawlway
tunnel
grade crossing
crossing
drift
crawl space
passage
corkscrew
duct
closet
well
tin can
shaft
covert
pavement
trough
fistula
alley
grating
more synonyms
underground railway
antonyms