On the face of it, having a 20mph speed limits around a school entrance seems an sensible idea.
However, a closer inspection may lead us to a very different conclusion
First some background and key facts –
* Only a small minority of child road casualties occur on the way to or from school (Just 20%).
* Very few casualties occur outside the school itself.
* The mean radius of school safety zones is just 300m, yet the mean distance travelled to school is 1.8km.
. Hence the school safety zones apply to only 17% of the journey.2
* At exit gateways to school safety zones drivers are reminded of an increase in speed limit to 30mph.
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Read more: https://www.8-80cities.org/images/res-streets-articles/how-school-safety-zones-are-not-a-priority.pdf
Biking in Baltimore