What Happened
A crash on the westbound Southern State Parkway in Nassau County closed the left lane on Monday, July 13, 2026, according to incident data logged in the Long Island Traffic database. The collision is rated moderate in severity, with one lane — the left — taken out of service in the westbound direction.
No further details about the number of vehicles involved, the cause of the crash, or any injuries have been confirmed at this time. The specific exit or mile marker location along the westbound corridor has not been released in the initial incident record.
Location & Road Context
The Southern State Parkway is one of the most heavily traveled and crash-prone roadways on Long Island, running east-west across Nassau and Suffolk counties. Long Island Traffic’s database shows 761 recorded incidents on this road — among the highest totals of any route tracked in the region. Nassau County as a whole has logged 823 accidents in the same database.
Monday alone saw multiple incidents on this corridor: a separate crash earlier in the day resulted in a full road closure, logged as a distinct event (Crash, Crash road closed on Southern State Parkway, Jul 13). The stretch of parkway between exits 24 and 28 — where property-damage accidents were recorded on July 10 and July 11 per 511NY data — has seen repeated activity in the days leading up to this incident.