Table 5 Description of included systematic reviews: Structural improvement
From: Effects of interventions for preventing road traffic crashes: an overview of systematic reviews
Review first author, date of publication | Date of search to identify studies for this review | Interventions | Participants | Number of included studies (types of studies) | Geographic area | Studied Outcomes |
|---|---|---|---|---|---|---|
Beyer 2009 [47] | October 2008 | Street lights | Streets or groups of streets | 17 (controlled before and after studies) | HIC (USA, UK, Australia, Germany) | . Slight reduction in crashes . Slight reduction in fatal and injury crashes |
Elvik 2003 [48] | 1997 | Roundabouts | Intersections | 28 (before and after, comparative study) | HIC (Britain, Sweden, Denmark, Norway, Australia, Netherlands, Switzerland) | . Reduction in number of injury and fatal crashes |
Elvik 2017 [49] | Not stated | Roundabouts | Junctions | 44 (before and after, comparative study, cross-sectional studies) | HIC (Britain, Sweden, Denmark, Norway, Australia, Netherlands, Switzerland, USA, Belgium) | . Reduction in number of crashes |
Fu 2016 [50] | February 2015 | Digital countdown timers | Motorists | 14 (cross-sectional studies, before and after studies) | HIC (Taiwan, China, Singapore, Slovenia) MIC (Thailand) LMIC (India) | . No reduction in rear-end collision . No effectiveness in DCT on intersections. |