(CBS DETROIT) — Police are investigating after a woman’s body was found early Wednesday morning in the right lane of Interstate 696 in Farmington Hills.

According to Michigan State Police, troopers were dispatched at about 3:55 a.m. to calls of a woman found unresponsive on the westbound freeway. The woman was found beneath the exit ramp of southbound Interstate 275.

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She was pronounced dead at the scene. A vehicle was found on the overpass directly above where the woman was found.

Police spoke with witnesses but no one was able to report what happened.

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An investigation indicated there was no evidence that the woman was struck or run over by a vehicle and that she possibly died by suicide.

Troopers are working to notify next of kin, pending the medical examiner’s report and examination of the vehicle found nearby.

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