"
In an interview with The Scotsman, Mr Mackay said: “If 20mph limits are seen to be more widespread and legally enforceable, they would be taken more seriously and there would be higher compliance.
“I can’t direct from the centre, but encourage councils to do what’s appropriate for them in built-up and residential areas.
“Edinburgh has made good progress, and other local authorities might want to follow. An edict would be too blunt an instrument and not well received.”
Mr Mackay said funding should not be a stumbling block because 20mph schemes were not expensive to introduce, but he conceded that some councils may be waiting to see how Edinburgh’s city-wide scheme fared.
...
However, Neil Greig, the Scotland-based policy and research director of the Institute of Advanced Motorists, opposed a blanket introduction.
...
“The real need is for investment in high-quality shared or properly-segregated infrastructure, such as cycle paths, so people of all ages and abilities can feel safe walking or cycling in our cities.”
"