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xkcd #2932: Driving PSA
(imgs.xkcd.com)
Alt text:
This PSA brought to you by several would-be assassins who tried to wave me in front of speeding cars in the last month and who will have to try harder next time.
I’ve got some near to me that both lanes can exit, but you must be in the inside lane to keep going round. They’re very strangely designed.