GST‐Mainz 1993.

Methods	CBA 2 yrs before data. 2 yrs after data.
Participants	I) Rural area of Mainz (Mainz‐Bretzenheim). Area was 200 hectares with 11,000 inhabitants. C) Another part of Mainz (Mainz‐Finthen).
Interventions	I) Area‐wide traffic calming including reconstruction of public spaces, road narrowing and narrowing of road entrances. C) No area‐wide traffic calming.
Outcomes	Road traffic crash related deaths and injuries. All road traffic crashes. Pedestrian crashes.
Notes	Part of the German study on traffic calming in six towns. Injury data collected from police records. No information given on perceived safety or quality of environment.