POWESHIEK COUNTY, IA. (THECOUNT) — Teresa Sue VanZee has been identified as the Oskaloosa woman killed Tuesday in a three-vehicle crash in Poweshiek County, according to Wednesday reports.

VanZee, 55, was killed after a vehicle, operated by Matthew Morgan, 59, collided with a semi-truck on Iowa Highway 21 Tuesday.

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Morgan’s Ford Focus was traveling near the 4700 block of Highway 21 in Poweshiek County, when for unknown reasons, his vehicle crossed the centerlines, according to the Iowa State Patrol.

Richard Mortensen, 69, of Grinnell, was driving a 2019 Peterbilt Conventional semi southbound and attempted to avoid a collision by swerving right.

Morgan’s Focus made contact with Mortensen’s semi.

The Focus came to rest on the east shoulder and the semi blocked both lanes of traffic. Teresa VanZee, 55, of Oskaloosa, was driving a 2019 Nissan Rogue in the northbound lane when Mortensen’s semi hit her vehicle, reports DesmoinesRegister.

Mortensen’s semi and VanZee’s Rogue then careened into the east ditch, according to the Iowa State Patrol.

VanZee was pronounced dead at the scene of multiple blunt force trauma.

The accident remains under investigation.

Geo quick facts: Poweshiek County is a county in the southeastern part of the U.S. state of Iowa. As of the 2010 census, the population was 18,914. The county seat is Montezuma. The county is named for the chief of the Fox tribe who signed the treaty ending the Black Hawk War – Wikipedia.