Jesus Serano, 38, was stopped for several violations on Route 22 in Pohatcong on Tuesday, township police said.
A K-9 search of the car turned up cocaine, heroin and around $70,000 in cash, police said.
Serano, of Allentown, PA, was arrested and charged with money laundering and endangering the welfare of a child in addition to numerous narcotics possession and distribution offenses, police said.
The five children inside the vehicle were released to a family member, police said.
Serano was being held at Warren County Jail pending a detainment hearing at the Warren County Courthouse.
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