Media playback is unsupported on your device

New campaign calls for 20mph speed limit

19 November 2012 Last updated at 09:35 GMT

A new campaign is calling for drivers to slow down to 20 miles per hour around homes, schools and shops to improve road safety for pedestrians.

But are lower speed limits effective at reducing accidents?

Simon Clemison reports.

Most watched

BBC © 2014 The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.