SILVER SPRING TOWNSHIP, Pa. - An overturned tractor-trailer and a hazardous material response have forced a complete shutdown of a major stretch of northbound Interstate 81 in Cumberland County early Friday morning.
According to the New Kingstown Fire Company, emergency crews responded shortly before 5:00 a.m. to northbound I-81 near mile marker 55.8 in Silver Spring Township, located just before Exit 57 (Mechanicsburg / Route 114). The commercial truck overturned across the highway, prompting an immediate emergency response.
A hazardous material (hazmat) team was dispatched to the crash site to handle containment, according to the Pennsylvania Department of Transportation (PennDOT).
Road Closures, Backlog, & Detours
- Primary Closure Zone: According to 511PA alerts, all northbound lanes on I-81 are closed between Exit 52 / Exit 52B (Middlesex / Route 11) and Exit 57 (Mechanicsburg / Route 114).
- Secondary I-81 Shutdown: A separate, fiery crash has also shut down I-81 North farther south between Exit 47 (Hanover Street / Route 34) and Exit 49 (Route 641 / High Street).
- Traffic Impact & Rubbernecking: An extensive traffic backlog has brought northbound traffic to a standstill. Additionally, 511PA reports that rubbernecking near an emergency crossover is slowing southbound lanes and affecting shoulders in both directions.
- Estimated Reopening: PennDOT estimates the highway will fully reopen around 9:15 a.m.
Incident Status
- Injuries: The extent of any injuries remains unknown at this time.
- Investigation: The Pennsylvania State Police are actively investigating the cause of the rollover collision.
- Advisory: Drivers are strongly urged to avoid the area and utilize alternate routes across Cumberland County.
