NEW JERSEY (CBS) — New Jersey State Police are investigating after a car accident left three people injured along the Atlantic City Expressway.

The accident took place just before 5 p.m. Sunday in the Hamilton Township section of New Jersey.

Police say this was a single vehicle crash that had blocked all of the lanes east bound expressway.

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The accident took place just after the entrance to the Frank S Farley Service Plaza so traffic is being detour around the accident by entering the plaza and exiting past the crash.

The accident has now been clear after causing up to a 2-mile back up as police were on the scene.

There is still no word on what caused the crash, or the conditions of anyone involved in the crash.

Stay with for more as this story continues to develop.

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