Southern State Parkway (SSP) accidents in Seaford, NY

What our records show

The Southern State Parkway (SSP) runs through Seaford as one of the 30-mile primary parkways serving Nassau County, carrying roughly 120,000 vehicles per day. The posted speed limit is 55 mph. The route stretches from Valley Stream (Nassau/Queens border) to Heckscher State Park (East Islip), with Seaford sitting along that spine. Locally, drivers know it as Southern State or SSP or southern-stpkwy or southern-state-pkwy or southern-state-pky.

Our database has logged 2 incidents on Southern State Parkway within Seaford, including 2 critical cases. No fatalities have been recorded in the incidents we track for this stretch. The most recent report we published involved Seaford Man Killed in Single-Car Crash on Southern State Parkway on December 15, 2025. On average, we've seen roughly 2.0 reported crashes per month on this stretch during the period covered by our archive.

Inside Seaford, Southern State Parkway intersects with or runs parallel to several other high-volume routes — Seaford-Oyster Bay Expressway, Sunrise Highway, Merrick Road — so many crashes on this corridor originate at exits and interchanges rather than along open stretches. That pattern matches what we see in the incident reports below, which cluster around entry and exit ramps feeding those surface streets.

Town context matters because accidents here don't unfold in isolation. Seaford is home to about 15,000 residents and falls under NCPD 7th Precinct. Serious injuries from Southern State Parkway crashes are typically triaged to Mount Sinai South Nassau. Below you'll find every incident on this stretch we've covered, newest first.