Massachusetts

How to report an unsafe driver using a dashcam video

Reporting AgencyReporting Link
City Of Bostonhttps://www.boston.gov/departments/boston-311 
Report a medically impaired driverhttps://www.mass.gov/how-to/report-a-medically-impaired-driver 

If you report via telephone, Please explain to them what happened and ask for an email address for sending a link to the dashcam video.