Close to half of Britons live in places where 20mph limits are in force or are expected, campaigners said as Wales introduced the limit in built-up areas.
The scheme to reduce the default speed limit for residential areas from 30mph came into force yesterday, affecting 7,700 miles of road. Conservatives said that the plans were “anti-worker, anti-road and anti-motorist”, but Welsh Labour ministers said that it would cut pollution and save lives.
The scheme meant changing 30,000 road signs but a consultation found that more people were against the new limit than in support of it.
• The Times view on 20mph zones on Welsh residential roads: Life in the Slow Lane
The latest data from 20’s Plenty, a campaign group, says that 28 million