A one Vehicle accident in Buchanan County, South of St. Joseph on Interstate 29, just before 8:00 p.m. on Tuesday,  resulted in the death of a man from Oketa Kansas. Daniel K. Gartner, 56, was Southbound when his vehicle ran off the left side of the road and struck the cable barrier in the median. Gartner was transported to Heartland Hospital with serious injuries and was later pronounced dead.