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. 2020 Jun 29;16(2):e1091. doi: 10.1002/cl2.1091
Methods CBA conducted between 2005 and 2012 with minimum of 1 years before and 1 year after data. Median RLC “go live” data of July 31, 2007, use for before/after distinction for control group
Participants All signalized intersections in Chicago
Interventions 170 RLC signalized intersections, all other signalized non‐camera intersections in Chicago used as control
Outcomes Angle injury crashes, rear end injury crashes, turning injury crashes, total injury crashes
Notes Changes in reporting in 2009 raised the minimum cost for PDO reporting from $500 to $1,500; therefore, only crashes featuring at least one injury were used