This story has been updated.
A single-vehicle crash caused stop-and-go traffic on the northbound New York State Thruway in Rockland County early Friday afternoon.
New York State Police said the exit ramp at the Palisades Parkway was blocked by a panel van that flipped on its side around 12:15 p.m. Friday. No injuries are reported.
The Thruway was backed up from Exit 13 at the Palisades to Exit 14 at Spring Valley and Route 59, said Trooper Michael Cassella.
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