EVERETT, Wash. (KOMO) — A Washington State Patrol (WSP) trooper shot and killed a man armed with a hammer who was involved in a “road rage incident," according to authorities.

The Snohomish County Multiple Agency Response Team (SMART) said troopers responded to the road rage incident on the shoulder of Interstate 5 near Marine View Drive in Everett just after 4 p.m. Thursday.

SMART spokesperson Courtney O'Keefe said the man had rammed a Washington State Department of Transportation (WSDOT) contractor vehicle and a lift that was on the shoulder of the highway. The lift had two WSDOT contractors onboard and was operating over the slough.

Video recorded by KOMO from a WSDOT traffic camera shortly after the incident began shows some type of physical altercation between the man and at least two WSDOT contractors on the side of the highway before the deadly shooting. O'Keefe confirmed to KOMO the altercation was the result of a road rage incident.

***WARNING: The following video contains graphic content. Viewer discretion is advised.***

There is a barrier here that divides I-5 traffic from where the employees are, so the suspect drove around that to start ramming their vehicles," O'Keefe said.

The video shows the man chasing a WSDOT contractor around the car, while another contractor can be seen in the lift. The contractor being chased then jumps over the barrier, but the man is able to grab them and starts attacking them from the other side of the barricade.

***WARNING: The following video contains graphic content. Viewer discretion is advised.***

After the man stopped assaulting the contractor, he can be seen in the video walking back to his car and getting in. A WSDOT contractor then tries to stop the driver, but he reverses the vehicle and nearly hits the worker on the side of the road.

The driver then speeds forward and appears to nearly hit a WSDOT contractor vehicle with a lift that had two workers onboard, operating over the slough. The man can then be seen in the video getting out of his car and getting into the WSDOT contractor's vehicle.

It’s currently unclear if the man was attempting to steal the vehicle, but he was only in the driver's seat for a few seconds before getting out and running across the interstate during rush hour.

A WSP trooper can be seen in the video pulling up to the scene on the other side of the interstate as the man runs across the roadway.

The SMART said the man was armed with a hammer and “an altercation ensued between the suspect, WSDOT contractors, and a Washington State Patrol trooper.” The man was shot by the trooper during the altercation.

Law enforcement gave the man first aid, but he was pronounced dead at the scene. The WSDOT contractor who was assaulted suffered non-life-threatening injuries, according to the SMART.

All northbound lanes of Interstate 5 reopened to traffic just before midnight.

SMART is leading the investigation.

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EDITOR'S NOTE: Officials initially said the workers involved were WSDOT employees but said in an update Friday morning they were WSDOT contractors.

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