Just come across this campaign organisation for 20mph limits in urban areas.

#20sPlenty #StreetsAreForPeople

https://www.20splenty.org/

20's Plenty for Us

We quite simply campaign for 20mph to become the default speed limit on residential and urban streets.

20's Plenty for Us
@EricBranse it's been default here in Scottish borders for several years in town centres and it works fine
@Robbins yep Duns has certainly been improved by the default 20mpg limit.