What Happened
A crash shut down the right lane of the eastbound Southern State Parkway in Nassau County on Wednesday, September 2, 2026. The incident was rated moderate severity. No additional details on the vehicles involved, the collision type, or any injuries were available in the initial report.
The right lane closure affected eastbound traffic on one of Nassau County’s busiest limited-access corridors. No estimated reopening time was provided in the incident record.
Location & Road Context
The Southern State Parkway runs east-west across Nassau and western Suffolk counties, carrying commuter and recreational traffic between Valley Stream and Heckscher State Park. According to Long Island Traffic’s incident registry, the corridor recorded 60 incidents in the past 30 days and 214 so far in 2026 — this crash is one of them. The most recent prior fatal crash on the Southern State Parkway was recorded on August 7, 2026.
Wednesday’s incident was not isolated on the parkway. Two other moderate-severity crashes on the Southern State Parkway were recorded the same day — see the earlier September 2 incident and a second report filed the same morning. A separate moderate crash on NY 135 and a minor incident on I-495 also hit Nassau County roads on September 2. Long Island Traffic’s database lists 1,205 recorded accidents in Nassau County in 2026.
Drivers on the Southern State Parkway can check live conditions at 511NY before travel. Full Nassau County crash history is available on Long Island Traffic’s Nassau accidents page.