JEFFERSON CITY - Robert M. Hunter, who served longer than any other chief engineer in the 100-year history of the Missouri Department of Transportation, died on Monday in Jefferson City. He was 92.Hunter was chief engineer from 1970 until his retirement in 1985. In total, he spent 35 years with the department and his career largely spanned the time during which Missouri's interstate highway system was designed and constructed. Beginning in 1950, after his graduation from the University of Missouri-Columbia, he worked as a highway designer, and later became the District 4 Engineer in Kansas City. He returned to Jefferson City as Engineer of Surveys and Plans; then became Assistant Chief Engineer for seven years prior to ascending to the Chief Engineer position.He was one of four MoDOT chief engineers who served as president of the American Association of State Highway and Transportation Officials.Visitation will be at Freeman Mortuary in Jefferson City from 4-7 p.m., June 6. Visitation will also be from 9:30-10:30 a.m., June 7, at the First United Methodist Church, followed by funeral services.