Comment 119768

By kevlahan (registered) | Posted August 04, 2016 at 12:08:29

Really interesting article that taught me something new about why speeds greater than about 30km/h are risky for pedestrians and cyclists in urban areas. I knew about the shorter reaction times, longer braking distances and greater chance of injuries at higher speeds (kinetic energy increases like speed squared).

But I didn't know about the tunnel vision effect that makes it difficult to see pedestrians or cyclists at the side of the street. It does make sense though: the faster you travel the more you need to focus on increasingly distant objects on the road ... which produces the "tunnel" vision.

Comment edited by kevlahan on 2016-08-04 12:21:26

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