The Appellate Term affirmed a speeding conviction noting three independent grounds: a properly-tested radar reading alone sufficed, an untested reading plus a visual estimate would've worked as a fallback, and a visual estimate alone — 30 mph over the limit — was independently sufficient. Attacking just the radar wouldn't have changed the outcome.
When a radar reading was the only evidence, a Westchester County Court reversed a speeding conviction in People ex rel. McCann v. Martirano. A single, unverified tuning-fork test wasn't clear and convincing proof of accuracy — the fork itself could have been off, potentially masking an inaccurate radar unit reading the same wrong number.
The Court of Appeals held that even though an officer couldn't identify the defendant in court nearly a year after a traffic stop, his contemporaneous notes — name, exact birth date, license number, vehicle details — sufficiently established identity. Later cases follow the rule held for decades: officers don't need to remember drivers, just document the stops reliably.
The Appellate Term affirmed 17-year-old driver's speeding conviction even though no radar records were introduced at trial at all. The officer's visual estimate (60 mph) closely matched the radar reading (57 mph), which the court held was sufficient regardless of whether the device was ever shown to be tested — and his age gave him no right to assigned counsel on a traffic-only charge.
The Appellate Term rejected Douglas Gonzalez's argument that a driver's sincere belief a lane change is unsafe should excuse a Move Over Act violation, explicitly adopting Krahforst's objective-standard reasoning as controlling. With the trooper testifying Gonzalez had "ample" opportunity and no obstructing traffic, the court affirmed — cementing the objective standard as binding appellate authority, not just persuasive precedent.
People v. Lampman (2017) finally spelled out radar's foundation requirement: officer training on that device, certification, timely testing, and testimony linking a positive test result to actual accuracy. A trooper's testimony that he "pressed a button and got a positive indicator" fell short — and since he never formed a visual estimate either, the court found Briana Lampman not guilty.
Can an untested radar lead to a speeding conviction? In People v. Dusing, the New York Court of Appeals established that while an untested radar or speedometer reading is admissible, it cannot support a conviction on its own. However, prosecutors can bridge this evidentiary gap by combining the untested device reading with sworn visual speed estimates from qualified police officers.
In this 2016 case of first impression, Cohoes City Court held that New York's Move Over Act judges "due care" by what a reasonably prudent driver would do — not the driver's subjective belief. Jacqueline Krahforst claimed she didn't feel safe merging; the court found she had room, never signaled, and that her obstructed view didn't excuse failing to see the police cars.
The Appellate Term reversed a speeding conviction, finding the trial court had improperly shifted the burden of proof onto defendant — the record even stated he "has no proof" the radar was inaccurate. Applying a moving-radar standard, the court found no testimony verifying the patrol car's own speed or ruling out signal distortion, so the bare 51 mph reading wasn't legally sufficient.
The Appellate Term found the trooper's radar and visual-estimate evidence legally sufficient to convict — but reversed anyway. The Justice Court had improperly excluded his corroborating witness simply for being present during earlier testimony, with no prior order to sequester and no bad faith shown. Since that witness went to the core of his defense, the exclusion warranted a new trial.
Can you be convicted of speeding without radar or LIDAR? Under New York law, a qualified officer's visual speed estimate alone can be legally sufficient to sustain a speeding conviction—especially when the alleged speed is significantly higher than the posted limit, as established in People v. Olsen.
VTL § 1144-a, the Ambrose-Searles Move Over Act, requires drivers to move over (or slow down if unsafe) for stopped emergency, hazard, and disabled vehicles — now including any vehicle on a parkway shoulder as of 2024. Courts apply an objective "reasonably prudent driver" standard, not the driver's subjective belief. Penalties run $150–$450 across three tiers, plus surcharges and three DMV points per conviction as of February 2026.
The Court of Appeals held that because moving and stationary radar rely on the same underlying scientific principle, evidence from either is admissible without expert testimony explaining the science behind it. But because moving radar carries a greater risk of error than stationary radar, the Court held that the prosecution bears a heavier burden of proving the accuracy of the specific unit used.
Moving radar is admissible without expert testimony, just like stationary radar, since both rely on the same science. But because moving radar has more ways to err, *People v. Knight* requires...
Can radar evidence alone secure a speeding conviction? In People v. Magri, the New York Court of Appeals established judicial notice of radar's scientific reliability, ruling expert testimony unnecessary to explain the technology. However, the court held that an untested radar reading cannot sustain a conviction on its own—it requires corroboration by a qualified officer's visual speed estimates to satisfy the legal burden of proof.
The Appellate Term affirmed Move Over Act conviction, rejecting arguments that fatigue, darkness, and wet roads excused failing to change lanes for a stopped trooper. The court held those conditions didn't reasonably prevent a safe lane change, and that slowing down — his actual response — is not an acceptable substitute for the statute's specific requirement to move over.
The Appellate Term affirmed a speeding conviction, holding calibration records aren't required to prove radar accuracy — the trooper's own testimony about tuning fork tests, plus his radar certification, was independently sufficient. The court also noted a fallback: even without adequate calibration proof, his visual estimate (70 mph) closely matched the radar reading (68 mph), which alone would have sustained the conviction.
The Appellate Term affirmed a speeding conviction, reaffirming that a radar certificate plus the trooper's own testimony about calibration tests is independently sufficient — no formal records required. The court also noted his visual estimate (80 mph) closely matched the radar reading (82 mph), which alone would have supported the conviction even if the calibration proof had been weaker.
New York courts require proof a specific radar unit was tested and accurate — not just that radar generally works. Formal calibration records aren't required if the officer testifies to a real test (typically a tuning fork), but moving radar demands more: independent verification of the patrol car's own speed. Even weak radar proof can be cured by a qualified officer's visual estimate; without either, the case fails.
Can a temporary burst of speed ever be legal? Under New York law, speeding to avoid immediate danger—like swerving around a decelerating car to prevent a crash—can be legally justifiable. Learn how the case People v. Cataldo established the emergency defense for speeding under Penal Law § 35.05(2).
Court fine is often just the initial down payment. The true financial penalty begins after the ticket is resolved if it turns into a conviction on your New York driving record—triggering higher auto insurance premiums and potential state assessment fees that stick with you for years.