Understanding the Law
In New York State, the legality of radar detectors varies depending on the type of vehicle you drive. For private passenger vehicles, radar detectors are legal and can be used without any restrictions. However, for commercial vehicles, the situation is different.
Commercial Vehicle Regulations:
Radar detectors are prohibited in commercial vehicles with a gross vehicle weight (GVWR) over 10,000 pounds. This includes vehicles such as:
- Semi-trucks
- Box trucks
- Delivery vans
- Commercial buses
The law prohibits the use of radar detectors in these vehicles even if they are not currently in use. The mere presence of an operable radar detector is considered presumptive evidence that it is being used.
Penalties for Violations
Violating the radar detector prohibition for commercial vehicles is a traffic infraction punishable by a fine ranging from $25 to $100. Additionally, the vehicle may be impounded until the radar detector is removed.
Exceptions to the Law
There are certain exceptions to the radar detector prohibition for commercial vehicles. These exceptions include:
- Radar detectors used by law enforcement officers
- Radar detectors installed in vehicles that are specifically designed for towing or transporting vehicles with a GVWR over 10,000 pounds
Why Radar Detectors Are Prohibited in Commercial Vehicles
Radar detectors are prohibited in commercial vehicles because they can interfere with law enforcement’s ability to detect speeding and other traffic violations. Radar detectors alert drivers to the presence of police radar, which can encourage them to slow down only when they are near a police officer. This can make it more difficult for law enforcement to enforce traffic laws and ensure the safety of all road users.
Additional Considerations
- The GVWR of a vehicle is typically indicated on the vehicle’s identification tag or registration document.
- Laser jammers, which block radar signals, are illegal in all states, including New York.
- If you are unsure whether your vehicle falls under the commercial vehicle prohibition, it is best to err on the side of caution and avoid using a radar detector.
Are Radar Detectors Illegal in New York State?
Are radar detectors illegal in passenger vehicles in New York State?
No, radar detectors are legal for private passenger vehicles in New York.
Are radar detectors illegal in commercial vehicles in New York State?
Yes, radar detectors are illegal in commercial vehicles with a GVWR over 10,000 pounds in New York.
What is the penalty for using a radar detector in a commercial vehicle in New York State?
The penalty for violating this prohibition is a traffic infraction punishable by a fine ranging from $25 to $100.
Can radar detectors be seized or forfeited in New York State?
The law does not authorize the seizure or forfeiture of radar detectors unless otherwise provided by separate legislation.
Does the presumption of use apply to all vehicles in New York State?
No, the presumption of use only applies to motor vehicles with a GVWR over 18,000 pounds and commercial vehicles with a GVWR over 10,000 pounds.
| Characteristic | Advice/Key Point |
|---|---|
| Vehicles Prohibited | Motor vehicles over 18,000 pounds GVWR and commercial vehicles over 10,000 pounds GVWR |
| Presumption of Use | Operable detector in prohibited vehicle is presumptive evidence of use |
| Exceptions | No seizure or forfeiture unless authorized by separate legislation |
| Penalties | Traffic infraction with fine ranging from $25 to $100 |
| Additional Points | Does not apply to law enforcement officers, GVWR found on vehicle tag/registration, detectors can interfere with law enforcement |








