Upgrading street lights reduces crime

The study mentioned is: MacDonald, J. M., Chalfin, A., Moritz, M., Wade, B., Mendlein, A. K., Braga, A. A., & South, E. (2025). Can enhanced street lighting improve public safety at scale?. Criminology & Public Policy, 00–32. https://doi.org/10.1111/1745-9133.70006

The full study is open access and available here.

You might also be interested in an earlier related article: Welsh, B.C. and Farrington, D.P. (2008), Effects of Improved Street Lighting on Crime. Campbell Systematic Reviews, 4: 1-51. It is available here.