The load on a trailer shifted and went through a cab of a semi-truck at Randall Road and Algonquin Road in Lake in the Hills Wednesday morning, leaving the driver injured. | Photo: Alex Vucha / Lake and McHenry County Scanner

A semi-truck driver had to be extricated and flown to the hospital after being pinned in his cab when concrete slabs impaled his truck cab in Lake in the Hills Wednesday morning.

The Lake in the Hills Police Department and Algonquin-Lake in the Hills Fire Protection District responded around 11:04 a.m. Wednesday to Randall Road and Algonquin Road in Lake in the Hills for a call of a vehicle accident.

The flatbed semi-tractor-trailer, a blue 2014 KW tractor, was carrying a load of concrete slabs, according to police.

The load on a trailer shifted and went through a cab of a semi-truck at Randall Road and Algonquin Road in Lake in the Hills Wednesday morning, leaving the driver injured. | Photo: Tyler Tobolt / Lake and McHenry County Scanner

The truck was traveling southbound on Randall Road approaching Algonquin Road.

The driver stopped, causing the load on the back of the truck to shift forward.

The concrete slabs impaled the cab of the truck through the back window and pinned the driver inside the cab.

Firefighters extricated the male driver, who was the sole occupant of the vehicle.

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The load on a trailer shifted and went through a cab of a semi-truck at Randall Road and Algonquin Road in Lake in the Hills Wednesday morning, leaving the driver injured. | Photo: Alex Vucha / Lake and McHenry County Scanner

Lifesaving measures were performed and he was transferred to a medical flight crew from LifeStar that landed at the scene.

The medical flight team took over care of the driver and flew him to Advocate Condell Medical Center in Libertyville.

Northbound and southbound Randall Road was closed from Algonquin Road to Commercial Drive.

Northbound Algonquin Road was reopened around 1:10 p.m. but Randall Road remained closed southbound from Polaris Drive to Algonquin Road.

The load on a trailer shifted and went through a cab of a semi-truck at Randall Road and Algonquin Road in Lake in the Hills Wednesday morning, leaving the driver injured. | Photo: Tyler Tobolt / Lake and McHenry County Scanner

The Lake in the Hills Police Department Traffic Accident Investigation Unit responded to the scene and assisted officers.

Whitey’s Towing Service and the Illinois State Police Truck Enforcement Unit also responded to the scene.

The incident is currently under investigation by the Lake in the Hills Police Department.

No citations have been issued, police said.