Mørkhøj 2001.

Methods	CBA 3 yrs before data 3 yrs after data
Participants	I) Residential area with both single‐family houses and flats totaling 15.5km C) The remainder of the Gladsaxe Municipality
Interventions	I) Speed humps, raised crossings, road signs and increased vegetation C) No area‐wide traffic calming
Outcomes	Road traffic crashes
Notes	The intervention area had been suffering from a high accident rate before the intervention. Speed reducing measures in the intervention area were placed further apart than recommended in Danish road guidelines.