Several vehicles collided on the New York State Thruway in Rockland County today, causing some delays for the morning rush hour commute.

It happened around 7 a.m. on the southbound side, just north of exit 15A by the Sloatsburg rest area.

Officials say the crash started when a vehicle was trying to merge in traffic. Two cars, a tractor-trailer and bus were involved.

Two people were injured and taken to hospital for non-life threatening injuries.