New Jersey State Police confirmed all lanes closed in both directions shortly after the crash.
New Jersey State Police landed a North Star med-evac helicopter on Interstate 78 East following a Monday afternoon crash that briefly closed all lanes of the highway.
The crash was reported about 2:50 p.m. on I-78 East, in the area of Exit 3 in Pohatcong Township, according to a Warren County Department of Public Safety emergency dispatch log.
The New Jersey Department of Transportation said a tractor-trailer had overturned in the area of the I-78 East ramp to Exit 3 (Routes 173/22).
Overturned tractor trailer on I-78 eastbound ramp to Exit 3 - NJ 173/US 22 (Pohatcong Twp) all lanes temporarily closed 10 minute delay
-- 511NJ I78 (@511nji78) July 10, 2017
State police at Perryville confirmed all lanes closed in both directions as of about 3:20 p.m.
Police were not immediately available to provide further information, but the use of a medical-evacuation helicopter indicates serious injuries.
The westbound side of the highway reopened shortly after the helicopter took off en route to an area hospital.
Eastbound, the two right lanes and exit ramp remained closed, NJDOT reported, with only the left lane open.
Authorities had been diverting westbound traffic onto Route 22 West.
Kurt Bresswein may be reached at kbresswein@lehighvalleylive.com. Follow him on Twitter @KurtBresswein. Find lehighvalleylive.com on Facebook.