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Cycling infrastructure for reducing cycling injuries in cyclists
Caroline A Mulvaney1, Sherie Smith, Michael C Watson
1Research Design Service, School of Medicine, The University of Nottingham, Room 2106, C Floor, South Block, Queen's Medical Centre, Nottingham, UK, NG7 2UH.
The Cochrane Database of Systematic Reviews
|December 15, 2015
Summary
This review found a lack of high-quality evidence on the effectiveness of cycling infrastructure in reducing cyclist injuries. More rigorous evaluations are needed to guide transport planning for safer cycling.
Area of Science:
- Public Health
- Transportation Engineering
- Road Safety
Background:
- Cycling offers individual health and community environmental benefits but cyclists are vulnerable road users.
- Cycling infrastructure aims to improve convenience and safety for cyclists.
- This review is crucial for informing transport planning decisions.
Purpose of the Study:
- Evaluate the impact of various cycling infrastructure types on reducing cyclist injuries.
- Assess the effect of infrastructure on the severity of cycling injuries.
- Examine infrastructure effects on injuries across different age, sex, and social groups.
Main Methods:
- Searched multiple databases (Cochrane, MEDLINE, Embase, PubMed) up to March 2015.
- Included controlled before-after and interrupted time series studies evaluating cycling infrastructure.
- Excluded studies on competitive cycling collisions.
Main Results:
- 21 studies (20 CBA, 1 ITS) evaluated diverse infrastructure; none reported injury data.
- No evidence cycle lanes reduce collisions (RR 1.21); cycle routes showed no difference adjusted for flow (RR 0.40) with high heterogeneity.
- Narrative data suggests 20 mph speed limits may reduce collisions, while roundabouts and certain cycle lane designs might increase them; evidence quality is very low.
Conclusions:
- A significant lack of high-quality evidence exists regarding the effectiveness of cycling infrastructure on cyclist collisions.
- Rigorous evaluations of cycling infrastructure are critically needed to draw firm conclusions.
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