You use twice as mich fuel to accelerate from 0 to 30mph as 0 to 20mph, and if you hit a pedestrian at 30mph there’s a 20% chance it will be fatal Vs 2.5% at 20mph.
You are never going to average the speed limits throughout your drive, unless you’re speeding. In an urban environment, where 20mph speed limits are used, you will lose seconds on your journey.
But anyway, where is this coming from? The post is about speed cameras, not what the limits are set to. Why are you even bringing that up?
You use twice as mich fuel to accelerate from 0 to 30mph as 0 to 20mph, and if you hit a pedestrian at 30mph there’s a 20% chance it will be fatal Vs 2.5% at 20mph.
You are never going to average the speed limits throughout your drive, unless you’re speeding. In an urban environment, where 20mph speed limits are used, you will lose seconds on your journey.
But anyway, where is this coming from? The post is about speed cameras, not what the limits are set to. Why are you even bringing that up?
Quite simple really, every speed camera you put up usually ties in with a lowered speed limit.