On March 15, 2025 at approximately 5:13 PM, a 2018 Nissan Altima was traveling southeast on Expressway (I-194, mile marker 0.5), just south of the railroad bridge in Mandan. The vehicle left the roadway, entered the west ditch, and collided with a concrete sign support ultimately overturning. Both occupants were transported to Sanford Medical Center with serious injuries.

The crash remains under investigation by the North Dakota Highway Patrol.