Pick a sector represented by the readings or the additional sources and look at the protocols and procedures regarding its protection plans. Do you view these as adequate? Can you suggest any changes that might improve them?
https://govinfo.library.unt.edu/911/report/911Report.pdf
https://www.michigan.gov/documents/msp-critical__incident_Protocal_8735_7.pdf
https://www.transit.dot.gov/sites/fta.dot.gov/files/docs/PlanningGuide.pdf