What Happened
A moderate-severity crash struck the eastbound Southern State Parkway in Nassau County on Wednesday, August 12, 2026, forcing the closure of the right lane. Beyond the lane impact and severity classification, authorities have not yet released specific details — including the exact milepost or exit where the crash occurred, the number and types of vehicles involved, whether any injuries were sustained, or what triggered the collision.
The right-lane closure creates a merge condition for eastbound drivers, which can produce secondary bottlenecks — particularly during peak commuting hours when traffic volume on this heavily used Nassau County parkway is highest. Motorists are urged to use caution when approaching and passing the scene.
No responding agency has issued a press release or confirmed additional facts as of publication. This report will be updated as official information becomes available.
Location & Road Context
The Southern State Parkway is one of Long Island’s most heavily traveled east-west corridors, stretching from Valley Stream in Nassau County eastward through Suffolk County. In Nassau County, the parkway passes through communities including Uniondale, Hempstead, and Massapequa before crossing the county line.
Long Island Traffic’s database shows 922 recorded incidents on the Southern State Parkway — among the highest totals of any road in the region — and 1,030 recorded accidents across Nassau County overall. In the 48 hours surrounding this crash, the Southern State Parkway alone logged roving repairs, a separate crash, and two disabled-vehicle incidents, underscoring the corridor’s persistent activity level.