Subway systems at the same scale (large)

Neil Freeman, 2004–
format and dimensions vary

mi1 mi
km1 km

see at half this scale

These subway maps are available as a sleek black and white poster, 28.75 inches tall by 22.75 inches wide (73 x 56cm). This is a rare

"Subway" is an americanism. 'Rapid transit' or 'metro' are synonyms. You might be interested in the difference between subways and commuter rail.