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Incident location, Long Island
What Happened
A 44-year-old Mastic man was killed Monday evening after his Ducati motorcycle ran a stop sign and slammed into an SUV at an intersection in Shirley, according to the Suffolk County Police Department. The crash was reported at approximately 7:20 p.m. on Monday, June 22, 2026.
According to police, the motorcyclist was operating his Ducati motorcycle westbound on Clyde Road when he failed to stop at a posted stop sign and entered the intersection with Hounslow Road. A 2023 Kia SUV, traveling southbound on Hounslow Road at the time, was directly in his path. The motorcycle struck the driver’s side door of the Kia — a collision geometry that typically leaves little reaction time for either party and concentrates severe impact forces on the motorcycle operator.
The motorcyclist was transported from the scene to Stony Brook University Hospital, where he was subsequently pronounced dead. The identity of the Kia’s driver was not fully disclosed in the initial Suffolk County Police Department press release. Whether the Kia’s driver sustained any injuries in the impact has not yet been confirmed by police. Details regarding the Kia driver’s full identity, condition, and any potential enforcement action remain limited pending the ongoing investigation.
The crash occurred in the early evening hours, when long summer daylight would have been present — though police have not yet confirmed whether visibility, road surface conditions, or vehicle speed were contributing factors. No information about the motorcyclist’s rate of speed prior to the stop sign, or any impairment on the part of either driver, has been released. Police have not yet confirmed those details.
The Seventh Squad detectives of the Suffolk County Police Department are leading the investigation. The Seventh Precinct serves the South Shore area of eastern Suffolk County, which encompasses communities including Shirley, Mastic, and Mastic Beach. The proximity of the motorcyclist’s hometown to the crash site suggests he was familiar with the local roadway network, though the precise reason he failed to observe the stop sign has not been established by investigators.
Location & Road Context
The crash took place at the intersection of Clyde Road and Hounslow Road in Shirley, a densely populated South Shore hamlet within the Town of Brookhaven. Shirley sits between Mastic to the east and Mastic Beach to the south, a corridor of residential streets that feeds into larger arterials connecting to William Floyd Parkway and Sunrise Highway. Clyde Road and Hounslow Road are both local residential streets in this neighborhood; stop-sign-controlled intersections like this one — rather than traffic signals — are common throughout the hamlet’s grid, placing full responsibility on drivers to yield before entering cross traffic.
Our local incident database contains 475 recorded accidents in Suffolk County across all severity levels, reflecting the persistent crash risk on both major arteries and residential side streets throughout the region. Shirley’s road network, characterized by flat terrain, limited lighting on many local roads, and high residential cut-through traffic, has been the site of multiple serious crashes in recent days alone.
Investigation & Legal Proceedings
The Suffolk County Police Department’s Seventh Squad detectives are actively investigating the circumstances of the fatal crash. As of the initial press release, no charges have been filed against the driver of the Kia, and police have not indicated that criminal charges are anticipated — consistent with cases where a third party’s traffic violation is the established proximate cause of a collision. However, all avenues of the investigation remain open, and the department has not issued a final determination.
No arrests have been announced, and no additional official statements have been released beyond the initial press release. Police have not yet confirmed whether toxicology testing was ordered for either party, which is standard procedure in fatal crash investigations in New York State. Updates from investigators are expected as the case progresses through the department’s review process.