Jerk Alert
Massachusetts license plate

In danger right now? Call 911. Do not use this site or the app while you are driving.

Reporting a bad driver in Massachusetts

Checked 13 September 2026 · 2 sources · Jerk Alert LLC’s 51-location study

Active dangerCan I report a dangerous driver in Massachusetts while they are still on the road?
Call 911.
Massachusetts publishes no separate patrol code.
Details in section 1
Recent IncidentIt already happened — who takes the report?
The non-emergency line of your local Massachusetts police.Details in section 2
Licence reviewCan I report a dangerous driver to the Massachusetts Registry of Motor Vehicles?
No — citizens cannot report drivers to this agencyDetails in section 3

Look up a Massachusetts plate

See whether other drivers have filed reports against a plate.

A plate with no reports comes back clean — that is the common result, and it is not an error.

Avoidance & safety rules

Does a Jerk Alert report reach the Massachusetts Registry of Motor Vehicles? No — Jerk Alert filings are community records between drivers. They never reach the Massachusetts Registry of Motor Vehicles, any other government body, or law enforcement, and they do not replace the calls in sections 1 and 2. If you are in danger, call 911. The Terms prohibit following, approaching, or identifying another driver on any Jerk Alert platform.

Massachusetts bad driver reporting & safety guide

1. If it is happening now immediate danger

Emergency hotlines

  • 911 — for a driver who is an active danger to other people right now. That is a police matter, and no app is a substitute for the call.
  • No Massachusetts-specific line is listed here. We publish a patrol code only when a state police or DOT page carries it.

2. Reporting to Massachusetts law enforcement after the fact

Neither the hotlines above nor anything in this section is the licence-review route in section 3, and nothing filed on Jerk Alert reaches any of them.

Who takes the report in Massachusetts

  • The non-emergency line of the Massachusetts city or town police department, or the Massachusetts State Police where a town has none with jurisdiction where it happened takes reports of dangerous driving that has already happened.
  • Bring: the plate (full or partial) and state, the vehicle’s make, model and colour, the location, the date and time, the direction of travel, and what you saw.
  • Expect a record rather than a ticket. An officer who did not witness the driving usually cannot cite for it, and what each agency acts on varies.

3. State DMV & licensing agency review

Public reporting accessNo — citizens cannot report drivers to this agency

A review of a driver’s licence can only be started by someone in a defined role.

Who can file: Not a member of the public. You must BE a health care provider or a law enforcement officer — the RMV's own page states it as a requirement, and the Request for Medical Evaluation form repeats it on its face.

Administrative fitness process

How a review starts and runs once someone in a qualifying role refers the driver.

Agency
Massachusetts Registry of Motor Vehicles
Unit
Medical Affairs
Form
Request for Medical Evaluation
Where to send
RMV, Attention: Medical Affairs, PO Box 55889, Boston MA 02205-5889
Contact
Medical Affairs 857-368-8020 · fax 857-368-0018 (physical address: 136 Blackstone Street, Haymarket Center, Boston MA 02109)

Will the driver find out who reported them?

The RMV cannot guarantee anonymity. Massachusetts has a public records law and a copy of the form will be released if the licensee makes a formal written request about what initiated the RMV action.

What can the Massachusetts Registry of Motor Vehicles do once a review starts?

  • A report sent in good faith by a law enforcement official or health care provider, based on their own personal evidence or observations, immediately results in a licensing action.
  • Medical Affairs may request further information from a medical provider and follows up with the driver; it may or may not take a licensing action.

Massachusetts is one of 18 of 51 US jurisdictions where a witness unrelated to the driver has no confirmed way to report them to the licensing agency (the 51-location study). That gap is one reason Jerk Alert exists.