What to do if…
an unmarked vehicle signals for you to pull over and you are unsure it is legitimate
Short answer
Turn on your hazards, slow down, and call 911 to verify (hands-free or via a passenger if possible)—then stop in the next safe, well-lit public place unless dispatch tells you to stop sooner.
Do not do these things
- Don’t speed off, make sudden turns, or try to “shake” the vehicle.
- Don’t stop immediately in a dark, isolated area if you can safely continue to a public, well-lit spot.
- Don’t use a hand-held phone while driving.
- Don’t drive home (it reveals your address).
- Don’t unlock doors, get out, or fully open your window before you feel confident it’s legitimate.
- Don’t hand over cash, gift cards, passwords, or banking info—real law enforcement won’t demand that roadside.
What to do now
- Show you’re cooperating. Turn on your hazard lights, slow to the speed limit, and keep driving predictably.
- Call 911 to verify (safely). If you can do so hands-free (or a passenger can call), tell dispatch:
- your exact location, direction, and nearby landmarks
- your vehicle description and plate number
- that an unmarked vehicle is attempting a stop and you’re trying to reach a well-lit public location If you cannot safely call while moving, proceed to a safe public place first, then call.
- Follow dispatch instructions if they verify the stop.
- If dispatch confirms it’s a legitimate stop and tells you to stop now, pull over in the next safe location you can.
- If dispatch cannot confirm right away, continue (lawfully) to the nearest well-lit, busy public place while keeping dispatch updated.
- Stop there and stay in control of your space. Keep doors locked. If it’s dark, turn on the interior light. Keep hands visible on the steering wheel.
- Ask for identification through the window. Ask the person to state their agency and show badge and agency-issued photo ID. If they’re not in uniform, be extra cautious.
- Request a marked unit if you feel unsafe. Calmly ask 911 (and/or the officer) for a marked patrol unit to respond before you fully engage.
- If anything feels wrong, stay on the line with 911. Follow dispatcher instructions. If you feel threatened, tell dispatch clearly and keep your location updated.
What can wait
- You don’t need to decide right now whether to contest a ticket or file a complaint.
- You don’t need to debate the reason for the stop on the roadside.
- You don’t need to record/post online during the encounter—staying safe and clear-headed comes first.
Important reassurance
It’s reasonable to want confirmation when a vehicle is unmarked. Verifying through 911 and stopping somewhere public can reduce risk while still showing cooperation.
Scope note
This is first-steps guidance for the initial minutes of an uncertain traffic stop. If anything later seems improper or threatening, write down what you remember once safe and consider contacting the agency involved.
Important note
This is general information, not legal advice. Prioritize safety and follow lawful instructions once you have reasonable confirmation you are dealing with legitimate law enforcement.
Additional Resources
- https://www.nashville.gov/departments/police/support-services/traffic-division/unmarked-vehicles
- https://www.madisonal.gov/FAQ.aspx?QID=151
- https://www.ocso.com/Portals/0/Law%20Enforcement%20Officer%20Impostor%20Brochure.pdf
- https://safety.colostate.edu/safety-warning-regarding-police-impersonators-and-financial-scams/