State police tells Action News a tanker truck overturned around 5 a.m. Saturday.
The truck rolled down an embankment, spilling what it was carrying into a nearby creek.
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It's not clear on what the truck was carrying.
The driver of the truck suffered minor injuries.
A "Code X" was issued, shutting down the roadway, between Quakertown and Lansdale exits, while crews cleaned up the wreck.
It has since been reopened.