The Green Lake County Sheriff’s Department and Wisconsin State Patrol responded to a semi-tractor trailer crash on May 10 at about 5:38 p.m. Roger Wahl, 82, Richland Center, was extracted from the vehicle and flown to ThedaClark Regional Medical Center, Neenah, by Flight for Life. On May 12, the Green Lake Sheriff's Office received notice Wahl died.

Semi-tractor trailer fatal crash on State Road 44

On Sunday, May 10 at about 5:29 p.m., the Green Lake County E911 Communications Center received a call of a serious personal injury crash on State Road 44, north of Lakeshore Drive in the Township of Green Lake. The location of the incident was reported to be about 3 miles North of the City of Markesan. 

Deputy and emergency services staff began to arrive at the scene at about 5:38 p.m. and found a full-size semi truck and trailer had left the roadway and rolled over. The adult male operator was seriously injured and was also pinned inside of the tractor. Markesan Jaws of Life were required to extricate him. 

Once free from the wreck, the male operator was transported from the scene and flown by Flight for Life to ThedaClark Regional Medical Center, Neenah.

In the early morning hours on Tuesday, May 12, the Green Lake County Sheriff's Office received notice that the operator and lone occupant involved semi crash, had died. The driver/deceased has been identified as Roger Wahl, 82, Richland Center.

A preliminary investigation into the incident has revealed that Wahl was operating a 2006 Sterling tractor and trailer hauling milk. The tractor-trailer was traveling southbound on State Road 44 when the man lost control of the rig. The truck entered the west ditch and overturned. 

Extensive damage was done to the rig and some of the contents of the trailer were spilled in the ditch and adjacent field. The tractor-trailer unit was the only involved vehicle. 

The investigation into the cause of this crash continues by the Green Lake County Sheriff's Office, Wisconsin State Patrol Inspector Division, and Green Lake County Coroners Office. The Green Lake County Sheriff’s Office, Wisconsin State Patrol, Markesan EMS, Markesan Fire Department, Markesan Emergency Management, and the Green Lake County Highway Department responded to the crash incident.

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