1. Parsons J. US Railroads Finally Meet Positive Train Control Install Mandate. Engineering News-Record, 2020. https://www.enr.com/articles/50931-us-railroads-finally-meet-positive-train-control-install-mandate. Accessed November 9, 2021.
2. Federal Highway Administration, U.S. Department of Transportation. Safety. Railway-Highway Crossings (Section 130) Program. https://safety.fhwa.dot.gov/hsip/xings/. Accessed November 9, 2021.
3. Federal Railroad Administration, U.S. Department of Transportation. FRA Publishes Final Rule for State Highway-Rail Grade Crossing Action Plans. https://railroads.dot.gov/newsroom/press-releases/fra-publishes-final-rule-state-highway-rail-grade-crossing-action-plans-0. Accessed February 23, 2022.
4. European Union Agency for Railways. Report on Railway Safety and Interoperability in the EU. 2020, p. 38. https://www.era.europa.eu/sites/default/files/library/docs/safety_interoperability_progress_reports/report_on_railway_safety_and_interoperability_in_the_eu_2020_en.pdf. Accessed November 9, 2021.
5. The Centre for Research and Intervention on Suicide, Ethical Issues and End-of-Life Practices (CRISE) at the Université du Québec à Montréal (UQAM). Railway Suicide in Canada. https://railwaysuicideprevention.com/railway-fatalities/railway-suicide-in-canada.html. Accessed November 9, 2021.