SECAUCUS, N.J. (CBSNewYork) – Several commuters were injured after two NJ TRANSIT buses crashed Monday morning.

Chopper 2 was over the scene on Route 495 East in Secaucus.

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NJ TRANSIT says the 139 bus from Lakewood struck the rear of the 113 bus from Dunellen around 7:30 a.m.

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Traffic was backed up for miles.

At least 12 people were hurt but are expected to be OK.

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New Jersey State Police is now investigating what caused the crash.