Paramus police, firefighters and EMS were joined at the scene by New Jersey State Police on the parkway's southbound side near mile marker 164.4 shortly before 11 a.m.
Four ambulances were requested, but no serious injuries were immediately reported.
Boyd A. Loving took the photo and contributed to this account.
Click here to follow Daily Voice Ridgefield Park-Hasbrouck Heights and receive free news updates.