A tractor-trailer crushed a disabled sedan against a concrete barrier on Monday morning leaving part of the Northeast Extension closed.
The truck was traveling northbound in I-476 at the Lansdale interchange when it slammed into the car, which was involved in an earlier crash, around 4 a.m., Pennsylvania State Police said.
In that first crash, state police say the female driver lost control of the car just before midnight and hit construction equipment. She was seriously hurt and was flown to a nearby trauma center by medical helicopter.
While the sedan sat disabled at the scene, the tractor trailer hit and wedged it up against the concrete barrier.
State police shut down that portion of the highway -- diverting traffic off the road at the interchange and then back on from the other side.
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The crash remains under investigation. Road crews were able to tow away the wreck and reopen the highway around 8:30 a.m. -- some 8 hours after the first collision.
