new!!! : want to know how subway/metro network of various cities compare in topological terms?
visualize transit at various cities: TRAVIC (Transit Visualization Client) for the city of S. Paulo (and others)
The Economist (Jun 18, 2009): Delays ahead
The ULTra PRT (personal rapid transit) website
Autonomous eletric pods: video from The Guardian
Moving tunnel (China TBS)
Map shows all trains on the London Underground network in approximately real time!!! (Live map of London Underfound trains)