Nassau, NY – 1 Killed, 1 Seriously Injured in Head-On Crash on SR 20

Nassau, NY – 1 Killed, 1 Seriously Injured in Head-On Crash on SR 20. Nassau County, Long Island

Updated Jan 22, 2026
CRITICAL INCIDENT
County
nassau County
Reported
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Map showing incident location at 40.7800, -73.3000 Incident location, Long Island

What Happened

A deadly head-on collision on State Route 20 in Nassau claimed one life and left another driver seriously injured on Monday afternoon, November 10, according to New York State Police. The crash occurred just after 2 p.m. when an eastbound vehicle crossed the center line for unknown reasons and collided with a westbound car traveling on the same roadway.

The impact caused severe damage to both vehicles, according to local authorities who responded to the scene. Emergency crews quickly arrived to assist the victims of the devastating collision. The driver of the westbound vehicle was pronounced dead at the scene, while the other driver who reportedly caused the collision sustained serious injuries.

The injured driver, who was traveling eastbound when their vehicle veered into oncoming traffic, was transported to Albany Medical Center for treatment of their serious injuries. The extent of their injuries and current condition have not been disclosed by authorities.

New York State Police closed a portion of State Route 20 for several hours as they investigated the crash scene and cleared the wreckage. The road closure affected traffic flow in both directions while investigators worked to determine the cause of the fatal collision and emergency crews removed the damaged vehicles from the roadway.

The identity of the deceased driver has not yet been released by authorities, who are waiting to notify family members before making the information public. Investigators have not determined what caused the eastbound driver to veer into oncoming traffic, and the investigation into the deadly crash remains ongoing.

The tragic collision highlights the severe consequences of head-on crashes, which often result in catastrophic injuries or fatalities due to the combined speed and force of two vehicles traveling toward each other. The investigation will likely examine factors such as driver impairment, distraction, medical emergency, or mechanical failure as potential causes for the vehicle crossing the center line.

Location & Road Context

The fatal collision occurred on State Route 20 in Nassau, a rural area where the roadway features narrow lanes and limited visibility that can increase the risk of serious accidents. State Route 20 serves as a major east-west corridor through this part of New York, connecting communities and carrying both local and through traffic.

The rural nature of this section of State Route 20 means that emergency response times can be longer than in more urban areas, though in this case emergency crews were able to quickly arrive at the scene. The roadway’s characteristics, including its narrow configuration and the potential for limited sight distances, make head-on collisions particularly dangerous when vehicles cross the center line.

New York State Police continue to investigate the circumstances that led to the eastbound vehicle crossing into oncoming traffic. The investigation will examine all potential contributing factors, including whether driver impairment, distraction, fatigue, medical emergency, or mechanical failure played a role in the crash.

No charges have been announced at this time as the investigation remains active. Authorities will likely reconstruct the accident scene, examine both vehicles for mechanical issues, and potentially conduct toxicology testing on both drivers as part of their comprehensive investigation into the fatal collision.

Broader Impact

Head-on collisions represent among the most dangerous types of motor vehicle crashes, accounting for a disproportionately high number of fatalities despite making up a relatively small percentage of total crashes according to New York State Department of Motor Vehicles data. The victims of such crashes often suffer catastrophic injuries including traumatic brain injuries, spinal cord damage, internal bleeding, organ damage, and severe fractures due to the tremendous forces involved when two vehicles collide while traveling toward each other. This Nassau crash underscores the devastating consequences when vehicles cross center lines on two-lane roadways, particularly in rural areas where higher speeds and longer emergency response times can compound the severity of outcomes.

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Frequently Asked Questions

What should I do if I'm in a car accident in Nassau County?

Call 911 immediately if anyone is injured or if the vehicles can't be moved safely off the roadway. Stay at the scene — leaving the scene of an accident with injuries is a crime under New York Vehicle and Traffic Law §600. Exchange license, registration, and insurance information with every other driver involved. Take photographs of every vehicle, the position of the vehicles before they're moved, all license plates, the road surface, traffic signs, and any visible injuries. Get the names and phone numbers of every witness — police often won't capture bystander witnesses on their own. Seek medical attention within 24 hours even if you feel fine; soft-tissue injuries and concussions can take a day or two to present, and a delayed medical visit weakens an injury claim. NCPD generally responds to accidents on Nassau County roads outside of incorporated villages with their own police forces (e.g., Garden City, Freeport). For state highways (I-495 LIE, Northern State Parkway, Southern State Parkway, Meadowbrook Parkway, Wantagh Parkway), New York State Police Troop L responds.

How long do I have to file a no-fault claim in New York?

Thirty days. New York Insurance Law §5102 requires you to file a Personal Injury Protection (PIP/no-fault) application with the insurer of the vehicle you were in (or, if you were a pedestrian or cyclist, with the insurer of the striking vehicle) within 30 days of the accident. Missing the 30-day deadline can void your no-fault benefits — that's up to $50,000 in medical bills and 80% of lost wages (capped at $2,000/month) per injured person. The form is the NF-2 application; your insurance carrier provides it on request. New York no-fault is a true PIP system: it pays regardless of who caused the crash.

What counts as a "serious injury" under New York law?

Under Insurance Law §5102(d), a "serious injury" is one that meets at least one of these categories: (1) death; (2) dismemberment; (3) significant disfigurement; (4) a fracture; (5) loss of a fetus; (6) permanent loss of use of a body organ, member, function, or system; (7) permanent consequential limitation of use of a body organ or member; (8) significant limitation of use of a body function or system; or (9) a medically determined injury that prevents the injured person from performing substantially all daily activities for at least 90 of the first 180 days following the accident. Only injuries that meet one of these nine categories create the right to sue the at-fault driver for pain and suffering damages — short of that threshold, recovery is limited to no-fault PIP benefits. Disputes over whether an injury meets the threshold are the single most-litigated issue in NY motor-vehicle cases.

How long do I have to sue after a Long Island car accident?

Three years from the date of the accident for personal injury claims under CPLR §214(5). Wrongful death claims have a two-year deadline under EPTL §5-4.1. If a government entity is involved (a county vehicle, a road defect on a state highway, a defective traffic signal, a county bus), you must file a Notice of Claim within 90 days under General Municipal Law §50-e — that's a non-negotiable jurisdictional deadline, and missing it usually bars the claim entirely. Property-damage-only claims have the same three-year clock. The clock starts on the day of the accident, not the day you discover the full extent of an injury.

Can I still recover compensation if I was partly at fault?

Yes. New York is a pure comparative negligence state under CPLR §1411. Even if you were 90% at fault, you can still recover 10% of your damages. (A pending 2026 budget proposal would change this to a 51% bar — meaning a plaintiff who is more than 50% at fault would recover nothing — but that hasn't passed.) Insurance carriers routinely try to inflate the injured driver's percentage of fault to reduce payouts. The percentage assignment is decided by the jury at trial (or negotiated during settlement); it isn't fixed by the police accident report and isn't binding even when the report assigns fault. Reporting practice and the actual legal apportionment are separate questions.

Who can file a wrongful death claim in New York?

Under EPTL §5-4.1, only the personal representative (executor or administrator) of the deceased's estate can bring a wrongful death action — not the deceased's family directly. The estate is opened in Surrogate's Court of the county where the deceased lived. Damages flow to the spouse, children, parents, and other distributees defined under EPTL §4-1.1. Recoverable damages include loss of financial support, loss of parental guidance for surviving children, and conscious pre-death pain and suffering (recovered through a separate "survival action" under EPTL §11-3.2). New York is unusual in NOT allowing surviving family members to recover for their own emotional grief — only economic losses to the estate. The wrongful-death two-year statute of limitations is shorter than the three-year personal-injury statute, so the deadline is critical.

How do I get a copy of the police accident report?

If Nassau County Police Department (NCPD) responded to the scene, the report is filed under an MV-104A form. In New York State, you can request a copy through the DMV at https://dmv.ny.gov/vehicle-safety/get-copy-accident-report (roughly $7 online, $10 by mail) once the responding agency has uploaded it to the state system, which usually takes 5-10 business days. NCPD and SCPD also have their own direct-request processes through the precinct that responded. If you weren't injured but the property damage exceeded $1,000, New York VTL §605 requires you (the driver) to file your own MV-104 report with the DMV within 10 days regardless of whether police responded.

Disclaimer: Incident information on this page is compiled from public sources including police reports, traffic agencies, and news outlets. It is provided for informational purposes only and may not reflect the most current status of this incident. Do not rely on this information for legal, insurance, or emergency decisions. For emergencies, call 911.