What Happened
A crash closed the left lane of the eastbound Southern State Parkway in Nassau County on Thursday, September 17, 2026. The incident was classified as moderate severity. No exact time, milepost, cross-street, or exit number was confirmed in the initial report from official sources.
The number of vehicles involved, any injuries sustained, and the cause of the crash had not been released as of this filing. Police have not yet confirmed responding agencies or whether any occupants were transported.
Location & Road Context
The Southern State Parkway runs east-west across Nassau and Suffolk counties and is one of the most heavily traveled limited-access corridors on Long Island. The eastbound direction carries substantial commuter and commercial volume through Nassau County during morning and evening peak hours.
According to Long Island Traffic’s incident registry, this crash is among 58 recorded on the Southern State Parkway in the past 30 days and 240 recorded so far in 2026. The most recent prior fatal crash on the corridor occurred September 5, 2026, when a Lindenhurst driver admitted to traveling 121 mph before a fatal Southern State Parkway crash. Two moderate-severity crashes on the Northern State Parkway were also recorded the same day, September 17, along with a prior Southern State Parkway crash on September 15.
For real-time conditions on the Southern State Parkway and other Nassau County roads, see Long Island Traffic’s Nassau County accidents page.
This is a developing report. Details on responding agencies, injuries, and lane-clearance times will be updated as official information is confirmed.