A BMW SUV went off the road to the left on the eastbound side at mile post 42 in Watchung Borough around 3:45 a.m., New Jersey State Police Sgt. Alejandro Goez said.
The vehicle struck several trees and became fully engulfed in flames, killing the driver -- the only occupant whose identification remains pending.
No other vehicles or passengers involved.
The eastbound lanes were closed for approximately 5 hours.
The accident remains under investigation.
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