1. Archer, Jeffrey, Nicola Fotheringham, Mark Symmons, and Bruce Corben. 2008. The Impact of Lowered Speed Limits in Urban and Metropolitan Areas Report 276: Monash University Accident Research Centre. landing page: https://www.monash.edu/muarc/archive/our-publications/reports/muarc276; pdf: https://www.monash.edu/__data/assets/pdf_file/0007/216736/The-impact-of-lowered-speed-limits-in-urban-and-metropolitan-areas.pdf. Accessed 19 Sept 2019.
2. Belin, Matts-Ake. 2016. "Responsibility of System Designers." Vision Zero Cities: International Journal of Traffic Safety Innovation (1): 35-37. landing page: https://visionzerocities.org/#journal
3. pdf: https://www.transalt.org/sites/default/files/2019-07/VZC_Journal_2016_wCover_0.pdf. Accessed 19 Sept 2019.
4. Bornioli, Anna, Isabelle Bray, Paul Pilkington, and Emma Bird. 2018. The Effectiveness of a 20 mph Speed Limit Intervention on Vehicle Speeds in Bristol, UK: A Non-Randomised Stepped Wedge Design. Journal of Transport & Health 11: 47–55. https://doi.org/10.1016/j.jth.2018.09.009.
5. Donnell, Eric, Scott Hines, Kevin Mahoney, Richard Porter, and Hugh McGee. 2009. Speed Concepts: Informational Guide. Report FHWA-SA-10-001. Washington, DC: US Department of Transportation, FHWA. landing page: https://safety.fhwa.dot.gov/speedmgt/ref_mats/fhwasa10001/; pdf: https://safety.fhwa.dot.gov/speedmgt/ref_mats/fhwasa10001/fhwasa10001.pdf. Accessed 19 Sept 2019.