Incident location, Long Island
What Happened
A Port Jefferson Station woman was killed Thursday morning after losing control of her SUV on the eastbound Long Island Expressway in Ronkonkoma and crashing into a guardrail, according to the Suffolk County Police Department. The victim, identified as Pamela Hanlon, 61, died as a result of the collision, which unfolded in the middle of what would have been a routine late-morning commute.
According to Newsday, the crash happened at approximately 11:40 a.m. on Thursday, December 19, 2025. Hanlon was behind the wheel of a 2017 Toyota Highlander, traveling eastbound on the expressway, when she lost control of the vehicle. The Highlander struck the guardrail on the side of the HOV lane, a high-occupancy vehicle corridor that runs along the center of the LIE. The exact circumstances that caused Hanlon to lose control remain under investigation.
Suffolk County Police detectives are investigating a significant and sobering possibility: that Hanlon may have suffered a medical episode before the crash occurred, the department said in a news release, as Newsday reported. A medical emergency behind the wheel can render a driver suddenly incapacitated, leaving them unable to brake, steer, or respond to road conditions. Detectives have not yet confirmed a cause, and the investigation remains ongoing.
No other vehicles were reported to have been involved in the collision. The crash was confined to the area between Exits 58 and 59 on the eastbound expressway, a stretch of I-495 that runs through the heart of central Suffolk County. The impact with the guardrail proved fatal for Hanlon, who resided in Port Jefferson Station, a hamlet located several miles east of the crash site.
Following the collision, the eastbound Long Island Expressway was shut down entirely for approximately 90 minutes as Suffolk County Police conducted their on-scene investigation, according to Newsday. The closure would have caused significant delays for eastbound traffic during what is typically a busy midday travel period on one of the most heavily traveled corridors on Long Island. Police worked the scene and gathered evidence before the roadway was eventually reopened.
The investigation into the exact cause of the crash — and specifically whether a medical event preceded Hanlon’s loss of control — continues under the Suffolk County Police Department’s detectives. Authorities have not announced any charges, as the circumstances appear to center on an involuntary loss of vehicle control rather than criminal conduct.
Location & Road Context
The crash took place on the eastbound Long Island Expressway (I-495) in Ronkonkoma, between Exits 58 (Motor Parkway) and 59 (Smithtown/Hauppauge). This stretch of I-495 is one of the busiest and most crash-prone corridors on Long Island, cutting through the densely traveled interior of Suffolk County. The HOV lane along this section was introduced to reduce congestion by incentivizing carpooling, but its guardrail boundary creates a fixed barrier in close proximity to through-traffic.
The Long Island Expressway is no stranger to serious accidents. Our database records 795 incidents on this road alone, underscoring the significant and persistent danger posed by I-495 to drivers traveling across Long Island daily. Recent incidents on the same corridor include an overturned vehicle on I-495 and multiple crashes on I-495 within just the past several months.
Investigation & Legal Proceedings
The Suffolk County Police Department has opened a formal investigation into the cause of the crash, with detectives specifically examining whether Pamela Hanlon experienced a medical episode prior to losing control of her 2017 Toyota Highlander, according to Newsday. As of the time of the report, no charges have been filed, and the investigation is ongoing. The department’s detectives are expected to review all available evidence, which may include traffic camera footage, witness accounts, and medical records, as part of determining the precise sequence of events leading up to the fatal collision.
Broader Impact
The possibility that a medical emergency contributed to this crash carries statistical weight: according to a study by the National Highway Traffic Safety Administration, medical emergencies account for 1.3% of all drivers involved in crashes nationwide. While that figure may seem small, on a road as heavily traveled as the Long Island Expressway — which sees thousands of vehicles per hour at peak times — even a fraction of a percent translates into a meaningful and recurring risk. Drivers with known medical conditions that could impair consciousness or motor function are encouraged to consult with their physicians about whether it is safe to continue operating a vehicle, and to ensure their conditions are appropriately managed and disclosed where required by law.