A Waterloo man was charged with a traffic violation following a two-vehicle accident in Buchanan County.

The Iowa State Patrol said 26-year-old Shane Brunson was driving south on Iowa Highway 187 Sunday afternoon when his vehicle crossed the center line and struck a northbound vehicle, injuring a Wisconsin couple. 52-year-old Brian Mastin and 52-year-old Tammy Maston, both of Viroqua, Wis., both refused treatment at the scene.

According to a crash report, all three people involved in the accident were wearing seat belts.

The accident happened 4:30 PM near the 170th Street intersection, south of Lamont.

Buchanan County sheriff's officials and Lamont Fire and Rescue assisted the Iowa State Patrol at the scene.