It happened around 8:30 a.m. on Route 3 in East Rutherford during the height of the morning commute.
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Police say they received a call of a Brinks armored truck spilling cash across the western lanes. At this point, it appears the armored truck had a malfunction of one of its doors, causing it to become unsecured.
Video shows drivers exiting their cars to collect the money, which authorities say led to multiple motor vehicle accidents.
It is unknown how much money ended up on the roadway or if those who collected it will be allowed to keep it.
Authorities were seeking videos of the incident, to track down both those who possibly stole cash and people involved in the accidents.
"We can confirm that there was an incident with one of our trucks this morning, which we are investigating," Brinks told Eyewitness News in a statement.
Detectives are investigating, and anyone with information or video of the incident is urged to police at 201-438-0165.