TREDYFFRIN TOWNSHIP, Pennsylvania (WPVI) -- A crash on 422 westbound shut down all lanes of traffic in Tredyffrin Township, Chester County.
The accident happened just before 4 a.m. Saturday in the westbound lanes of 422 near route 202.
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Police say two vehicles were involved in the accident and multiple people were taken to the hospital. There was no immediate word on their conditions.
422 opened back up just after 10 a.m.
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Pennsylvania State Police are investigating what may have led to the crash.