Alexander Marrero's vehicle was heading eastbound onto the I-78 ramp when his Mazda 3 veered off the left side of the road around 1:15 a.m. in Springfield, New Jersey State Police Trooper Brandi Slota said.
The car struck the end of a guard rail on the eastbound ramp and Marrero, of Bloomfield, was pronounced dead at the scene.
Initial and unconfirmed reports say the driver suffered a severely severed leg.
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