A 20 mph speed limit intervention implemented at city centre scale had little impact on short- or long-term outcomes for road traffic collisions, casualties and speed. User BestOfNoPoliticsBot, in the Science but without politics! subreddit, 21 Nov 2022
A 20 mph speed limit intervention implemented at city centre scale had little impact on short- or long-term outcomes for road traffic collisions, casualties and speed. User _DeanRiding, in the Reddit Science subreddit, 21 Nov 2022