As a part of it's 35th anniversary, WMATA produced a study that investigated a hypothetical where Washington DC's Metro system disappeared and was replaced by car infrastructure. [more inside]
posted by grandsham on Dec 12, 2011 - 56 comments

Paris Metro's cheaters say solidarity is the ticket. Scofflaws who jump the turnstiles or enter through the exits of the Paris public transit system have formed mutuelles des fraudeurs — insurance funds that pay the fine if they get caught.
posted by hat on Jun 23, 2010 - 67 comments

Beautiful Subways --worldwide--from palatial to postmodern, folksy to brutalist (pee smells not included--and don't miss Tehran's)
posted by amberglow on Aug 25, 2006 - 48 comments

Fabulous images of the Moscow Metro underground, also known as "the people's palaces". Click "M"s on the entry map to view gorgeous (often architecturally surreal) panoramic images, and visit the picture gallery for sweet details. Via Jorgen at Viewropa.
posted by taz on Jan 14, 2005 - 24 comments