All you ever wanted to know about traffic signals https://t.co/LUk5T2VfDk directly from Twitter

All you ever wanted to know about traffic signals https://t.co/LUk5T2VfDk

— Alistair Gollop (@AlistairGollop) March 10, 2016

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via Twitter https://twitter.com/AlistairGollop

March 11, 2016 at 05:40AM