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John West /
npub1erm…48xh
2023-09-18 09:39:45

John West on Nostr: A pedestrian in contact with a car travelling at 30mph is eight times more likely to ...

A pedestrian in contact with a car travelling at 30mph is eight times more likely to die than if they come into contact with a car travelling 20mph.

Every 1mph below 20mph reduces casualties & severities by 6%.

A 5 mile journey at 20mph takes 10 mins.
At 30, 15 mins.

Stopping distance at 20mph is about 3 car lengths.
At 30mph, it is 6 car lengths.

Knowing all of this, I cannot understand how ANYONE would NOT support 20mph on residential streets.

The problem is, not many know all of this.
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