Michael P. Suchdolski, 58, was trapped inside the vehicle, which rolled over after striking a guide rail, continued down an embankment and hit a tree, West Milford police said.
Police believe there may have been an interaction with another vehicle on Route 23 prior to the crash.
Witnesses are requested to contact West Milford police at (973) 728-2800.
West Milford Fire Companies 2 and 4, the West Milford First Aid Squad rig #48 and Chilton Paramedics ALS #901 responded.
The collision is currently under investigation by the West Milford Police Department Crash Investigation Unit.
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