USP Sheffield 1989.

Methods	CBA 5 yrs before data. 2 yrs after data.
Participants	I) An area to the north of the city centre covering approximately 9 square km. In 1981 the population of the area was approximately 50,000 people in about 18,000 houses. The area is mostly residential and consisting largely of local authority housing. C) An area of similar size and character to the south of the city centre.
Interventions	I) General area wide scheme including: Road closures, traffic islands, central refuges, additional pedestrian crossings, and turning restrictions. C) No traffic calming measures.
Outcomes	Road traffic crash related deaths and injuries. Pedestrian crashes.
Notes	One of the five cities and towns involved in the Urban safety project led by the Transport and Road Research Laboratory, UK. Injury data collected from police records. No information given on perceived safety or quality of environment.

CBA = Controlled‐before‐after study 
 I = Intervention 
 C = Control 
 LATM = local area traffic management scheme