Looking at some of the things that have already been done and the under laying problem becomes clear. Motor vehicles are allowed access, but because there is no law of strict liability, people are frighten of vehicles.
"With the pavements not having a kerb dropping down to the road it could be an area where children will run around and not be aware that it is still a road."
Yes it is still a road, but we haven't got past the mind set that drivers have priority in all situation, until we do then the shared road space concept can't work.
Nor is this helped by the current Westminster Government stated aim of declaring war on vulnerable road user "ending the war on motorist".