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Radar detector laws by state

Are radar detectors legal in New York?

Legal in passenger cars

Legal in a car, an infraction in a heavy truck or big motorhome, and a state of city-by-city speed camera programs.

By I Go Cars ·

The answer for New York drivers

Yes. Radar detectors are legal in private passenger vehicles in New York, because no state statute prohibits them in an ordinary car, SUV or light pickup. The state's only detector law, Vehicle and Traffic Law (VTL) § 397-a, is a weight-based rule aimed at heavy vehicles, and it is the reason the answer changes once a vehicle gets large enough.

That distinction is the part most summaries miss. A detector that is perfectly lawful on the dashboard of a sedan becomes a traffic infraction in a vehicle rated above 18,000 pounds, whether or not that vehicle is used for business. The research behind this page rates the passenger-car conclusion at medium confidence for a structural reason: the absence of a ban cannot be proven by citing a single section, only by finding none. Nationally, Virginia and Washington, D.C. are the only jurisdictions identified that forbid detectors in passenger cars, and New York is not among them as of October 2026.

Mounting a detector on the windshield

New York regulates what sits in the driver's line of sight rather than the detector itself. VTL § 375(30) makes it unlawful to drive with "any object placed or hung in or upon the vehicle, except required or permitted equipment of the vehicle, in such a manner as to obstruct or interfere with the view of the operator through the windshield." A separate clause, § 375(1)(b)(i), bars posters and stickers on the windshield that the commissioner has not authorized.

The important detail is procedural. Section 375(30) is a secondary-enforcement provision (one an officer may cite only alongside another violation): a summons for it alone may issue only when there is reasonable cause to believe another violation was also committed. In practice, a windshield-mounted unit cannot by itself justify a stop, though it can be added to a ticket written for something else.

The fine for § 375(30) is less settled than the rule. The general VTL penalty in § 1800(b)(1) allows up to $150 for a first traffic infraction, up to 15 days in jail, or both, but whether that subdivision or another part of § 375 governs this offense was not confirmed in the research. Readers should treat any specific dollar figure for a windshield obstruction as unverified.

The 18,000-pound rule in VTL § 397-a

Section 397-a is New York's own detector law, and it reaches further than the federal truck rule. No radar detector or laser detector may be used in any motor vehicle with a gross vehicle weight rating (GVWR, the manufacturer's maximum loaded weight) of more than 18,000 pounds, or in any commercial vehicle with a GVWR of more than 10,000 pounds.

Three features make it distinctive:

  • It covers non-commercial vehicles. The 18,000-pound line applies to any motor vehicle, so a large motorhome or heavy private truck falls inside it.
  • It names laser detectors expressly. The prohibition is not limited to devices that sense microwave radar.
  • It presumes use. A detector "connected to a power source and in an operable condition" is rebuttable presumptive evidence that it was being used.

A violation is a traffic infraction carrying a fine of $25 to $100, and the section authorizes no seizure or forfeiture of the device unless another law provides for it. The statute text is published by the New York State Senate.

Federal rules sit on top of this. Under 49 CFR 392.71, no one may drive a commercial motor vehicle in interstate commerce that carries a detector, and carriers may not allow it; 49 CFR 390.5 sets the federal threshold at 10,001 pounds. New York's statute adds the heavier private vehicles that the federal rule does not touch.

Laser and radar jammers

New York has no enacted statute against laser or radar jammers. That is not for lack of trying. Bills to ban them were introduced repeatedly, including S575 of 2009, S957 of 2011, S460 of 2015 and S1262 of 2017–18, which proposed a $25 to $100 infraction and died in committee. A6858 of the 2025–26 session was sitting in the Assembly Transportation Committee as of January 7, 2026.

State silence does not make every jammer lawful. A radar jammer transmits radio energy, and the Federal Communications Commission treats any device that interferes with police radar as a prohibited jammer in all 50 states. A laser jammer emits light rather than radio waves, so that federal prohibition does not reach it; in New York, the practical answer for laser units is that no state law addresses them as of October 2026.

Speed cameras: one program per statute

New York has no statewide speed-camera authority. Instead, each program has its own section of the VTL, its own cap and its own sunset date. The largest is New York City's school-zone program under § 1180-b, and the Insurance Institute for Highway Safety reports that those cameras cut crashes by 14% at camera sites.

New York City school zones

Section 1180-b allows the city to run cameras in no more than 750 school speed zones at a time, each within 1,320 feet (a quarter mile) of a school building, entrance or exit. Liability attaches only above 10 mph over the posted limit. The fine may not exceed $50, plus up to $25 for failing to respond, and the notice is not a conviction, does not go on the driving record and is not used for insurance. Cameras may not be placed on controlled-access highway exit ramps or within 300 feet of one. According to the NYC Mayor's Office, the roughly 2,000 cameras began operating around the clock on August 1, 2022, after a state law signed that June; before then they ran weekdays from 6 a.m. to 10 p.m. The section is scheduled for repeal on July 1, 2030, and a version taking effect May 26, 2027 adds an intelligent speed assistance requirement for repeat violators.

Other cities and highway work zones

  • Poughkeepsie (§ 1180-c): up to three school zones; repealed December 31, 2030.
  • Albany (§ 1180-f): up to 20 school zones; repealed December 31, 2028.
  • Kingston (§ 1180-g): up to three school zones; repealed December 31, 2029.
  • Work zones (§ 1180-e): run by the state transportation commissioner, the Thruway Authority, the Triborough Bridge and Tunnel Authority and the Bridge Authority in active construction or maintenance areas, at more than 10 mph over; fines of $50, then $75 and $100 for repeats within 18 months; repealed October 6, 2031.

The school-zone programs share the same terms as New York City's: more than 10 mph over, a fine of no more than $50 plus a late penalty of up to $25, and no conviction. Whether a given town has cameras therefore depends on whether a specific § 1180 section names it. The sections read for this page are not the complete list; other municipal programs exist that were not reviewed.

How New York police measure speed

The New York State Police record that troopers first used radar for speed enforcement in 1956, initially on the New York State Thruway. Radar and lidar (a laser-based speed gun that times reflected light pulses) remain the conventional tools, and the research did not identify a New York statute restricting which agencies may use them, comparable to Pennsylvania's state-police-only rule, California's speed-trap law or Georgia's permit system.

Aircraft enforcement is an open question rather than an established practice. The State Police Aviation Unit lists services that include traffic incident management surveys, but no official source located for this page describes troopers timing speed from the air. Claims that New York uses planes to catch speeders should be treated as unconfirmed.

What people get wrong about New York

  • "Detectors are illegal in New York." Only in vehicles above 18,000 pounds GVWR and commercial vehicles above 10,000 pounds.
  • "An RV is a private vehicle, so it is exempt." The 18,000-pound line in § 397-a applies to any motor vehicle.
  • "Police can stop you for a detector on the glass." Section 375(30) is secondary enforcement only.
  • "NYC camera tickets add points." Section 1180-b liability is not a conviction and stays off the driving record.
  • "New York banned laser jammers." Every bill so far has failed or remains pending.

This page summarizes statutes as published and is not legal advice. Statutes change, and several sections cited here carry built-in repeal dates; check the current text before relying on any figure.

Frequently asked questions

Are radar detectors legal in New York?

Yes, in passenger vehicles. No New York statute bans a detector in an ordinary car. VTL § 397-a does prohibit radar and laser detectors in any vehicle with a gross vehicle weight rating above 18,000 pounds and in commercial vehicles above 10,000 pounds, with a fine of $25 to $100, and federal rules separately bar them in interstate commercial trucks.

Are radar detectors legal in NYC?

Yes, in passenger vehicles, because the answer is set by state law and applies the same way in all five boroughs as anywhere else in New York. New York City has no separate detector rule identified in the research. The § 397-a weight limits, 18,000 pounds for any vehicle and 10,000 pounds for commercial vehicles, apply in the city as they do statewide.

Can I put a radar detector on my windshield in New York?

Only if it does not obstruct your view through the windshield. VTL § 375(30) bars objects placed or hung so that they interfere with the driver's view, but it is secondary enforcement: an officer may issue a summons for it only when there is reasonable cause to believe another violation was also committed, so it cannot be the sole reason for a stop.

Are laser jammers legal in New York?

No New York statute bans laser jammers as of October 2026. Bills to outlaw them have been introduced many times, including S1262 of 2017–18, and failed; A6858 of 2025–26 was still in committee in January 2026. Radar jammers are a different matter: they transmit radio signals and are illegal everywhere under federal FCC rules.

How much is a NYC speed camera ticket?

Up to $50 under VTL § 1180-b, plus up to $25 more for failing to respond. The camera must record a speed more than 10 mph over the limit in a school speed zone. The liability is not a conviction, is not placed on the driving record, carries no points and may not be used for insurance purposes.

Are NYC speed cameras on 24/7?

Yes. According to the NYC Mayor's Office, the city's school-zone speed cameras began operating around the clock on August 1, 2022, under a state law signed in June 2022. Before that date they ran on weekdays from 6 a.m. to 10 p.m. The program covers up to 750 school zones at a time.

Can an RV have a radar detector in New York?

Not if its gross vehicle weight rating exceeds 18,000 pounds. VTL § 397-a applies that limit to any motor vehicle, commercial or not, and treats a powered, operable detector as presumptive evidence of use. A lighter motorhome or a camper van below the line is treated like a passenger vehicle.

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