Evaluating the citywide Edinburgh 20mph speed limit intervention effects on traffic speed and volume: A pre-post observational evaluation.
Glenna F NightingaleAndrew James WilliamsRuth F HunterJames WoodcockKieran TurnerClaire L ClelandGraham BakerMichael KellyAndy CopeFrank KeeKaren MiltonCharlie FosterRuth JepsonPaul KellyPublished in: PloS one (2021)
The implementation of the city-wide 20mph speed limit intervention was associated with meaningful reductions in traffic speeds but not volume. The reduction observed in road traffic speed may act as a mechanism to lessen the frequency and severity of collisions and casualties, increase road safety, and improve liveability.