Investigating the impact of a 20 miles per hour speed limit intervention on road traffic collisions, casualties, speed and volume in Belfast, UK: 3 year follow-up outcomes of a natural experiment
Ruth F Hunter, Claire L Cleland, John Busby, Glenna Nightingale, Frank Kee, Andrew James Williams, Paul Kelly, Michael P Kelly, Karen Milton, Kelly Kokka, Ruth Jepson
J Epidemiol Community Health Jan 2023, 77 (1) 17-25; DOI: 10.1136/jech-2022-219729