An accident involving multiple cows and multiple vehicles on Route 287 has left three people dead and 11 people injured.

New Jersey State Police said a pickup truck pulling a trailer with cows overturned on the northbound side near exit No. 30 for North Maple Ave in Bernards Township around 10:30 p.m. Saturday night, releasing the cows onto the roadway.

A passenger car and multi-people van were also involved in the incident, which closed the roadway all night until just before 6 a.m.

Nineteen people were involved in the accident according to State Police; all but one was hospitalized. Two people died at the scene while a third died at Morristown Medical Center.

Several cows died in the accident, while some were transported from the scene.