| Methods | CBA with 4 years before and 4 years after data for RLCs installed in 1988 and 1 year before and 1 year after data for RLCs installed in 2001 |
| Participants | All signalized intersections in Adelaide metropolitan area from mid‐1988 |
| Interventions | 6 RLCs rotated among 8 signalized intersections from 1988; 24 signalized intersections with RLCs added in 2001. Comparison with all other signalized intersections in Adelaide (1983–2002) |
| Outcomes | Total crashes, total injury crashes, right turn crashes, right turn injury crashes, right angle crashes, right angle injury crashes, rear end crashes, rear end injury crashes, other injury crashes |
| Notes |
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