ಮೆಟ್ರೋ ರೈಲು: ಪರಿಷ್ಕರಣೆಗಳ ನಡುವಿನ ವ್ಯತ್ಯಾಸ

|File:7train arriving.ogg|[[New York City Subway]] [[7 (New York City Subway service)|7 train]] arriving at the [[Vernon Boulevard – Jackson Avenue (IRT Flushing Line)|Vernon Boulevard – Jackson Avenue Station]]

|File:Tehran metro station.ogg|[[Tehran Metro|Tehran Subway]] arriving into [[Vali Asr Metro Station|Vali-e-asr station]]

|File:TTC UTDC ICTS Mark I 3012.jpg|[[Scarborough RT]] line in [[Toronto]] is propelled by [[linear induction motor]]s instead of driven wheels

|File:Stockholm central station.jpg|[[Stockholm metro]] [[Blue Line (Stockholm Metro)|Blue line]] platform in [[T-Centralen]]