It happened at the intersection of Lower Macungie Road and Cedar Crest Boulevard, troopers said in a statement around 8:20 a.m. Fire and EMS units also responded to the scene.
Traffic was briefly detoured to Riverbend Road while crews worked the scene, and the road was cleared by 9:45 a.m., authorities said.
Police have not said if anyone was hurt in the crash.
This is a developing story. Check back later for more.
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