Southern State Parkway (SSP) accidents in Valley Stream, NY

What our records show

The Southern State Parkway (SSP) runs through Valley Stream 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 Valley Stream 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 9 incidents on Southern State Parkway within Valley Stream, including 3 critical, 1 major, 4 moderate cases. No fatalities have been recorded in the incidents we track for this stretch. The most recent report we published involved Right-Shoulder Crash Blocks Lane on Eastbound Southern State Parkway in Nassau County on June 15, 2026. On average, we've seen roughly 0.9 reported crashes per month on this stretch during the period covered by our archive.

Inside Valley Stream, Southern State Parkway intersects with or runs parallel to several other high-volume routes — LIE, Sunrise Highway, Hempstead Turnpike — 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.

Village context matters because accidents here don't unfold in isolation. Valley Stream is home to about 37,059 residents and falls under Valley Stream Police Department. 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.