AbstractThis study aims to quantify the effect of visibility aids on the occurrence of pedestrian and cyclist–motor vehicle collisions and injuries, and drivers’ responses in detection and recognition. Trial reports were systematically reviewed according to predefined eligibility criteria, including randomised controlled trials or controlled before-and-after trials comparing visibility aids and no visibility aids, and of different visibility aids on pedestrian and cyclist safety, and drivers’ responses in detection and recognition. This included trials in which the order of interventions was randomised, or balanced using a Latin square design. Two reviewers independently assessed validity of trials and abstracted data. The main outcome measures were pedestrian and cyclist–motor vehicle collisions and injuries, and drivers’/observers’ responses in the detection and recognition time, distance and frequency. No trials which assessed the effect of visibility aids on pedestrian and cyclist–motor vehicle collisions and injuries were identified. Twelve trials examined the effectiveness of daytime visibility aids and 25 trials on night time visibility aids, including 882 participants. Drivers’ and observers’ detection and recognition improved with visibility aids. For daytime, fluorescent materials in yellow, red and orange colours enhanced detection and recognition. ‘Biomotion’ markings enhanced recognition. Substantial heterogeneity between the trials limits the possibility for meta-analysis. Visibility aids have the potential to improve detection and recognition and would merit further development to gain public acceptance. However, the impact of visibility aids on pedestrian and cyclist safety is unknown and needs to be determined.
Visibility aids for pedestrians and cyclists: a systematic review of randomised controlled trials
Accident Analysis and Prevention ; 36 , 3 ; 305-312
2002-12-30
8 pages
Article (Journal)
Electronic Resource
English
Visibility aids for pedestrians and cyclists: a systematic review of randomised controlled trials
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