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MadrasT

(7,237 posts)
5. Lovely.
Fri May 4, 2012, 10:08 AM
May 2012

I'm an infrastructure geek.

Surprised London is not on the list. Had no idea that Mexico City has a busier subway than London.

Thanks!

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Latest Discussions»Issue Forums»Public Transportation and Smart Growth»The World’s 10 Busiest Su...»Reply #5