totient: (blur)
phi ([personal profile] totient) wrote2011-06-01 05:45 pm
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leaving DC

on my way to the train from DC to Princeton, I took the Red Line subway, including passing through the very oldest stations in the system. That reminded me that I hadn't blogged this interesting graphical history of the Metro system.

[identity profile] londo.livejournal.com 2011-06-01 10:55 pm (UTC)(link)
I saw a time-lapse map of the London Underground last week. Not finding one online trivially, but if you're into that sort of thing check out the Transit Museum in London?