TOPEKA, Kan. (AP) - The Kansas Department of Transportation is planning $1.2 billion in improvements to the state's highways, bridges and other projects. Kansas Secretary of Transportation Mike King announced the plan Thursday for fiscal years 2015 and 2016. The Topeka Capital-Journal reports that the plan includes 464 highway projects and 194 bridge/interchange improvements involving about 1,600 miles of roads. The largest projects are a $116 million expansion of the Interstate 235/US 54 Highway interchange in west Wichita, and a $95 million expansion of Kellogg in east Wichita. Two large projects are scheduled for Interstate 70 in western Kansas - a $52.6 million improvements on 11.5 miles in Thomas County near the Logan County line and $43.4 million for nine miles in Gove County near the Trego County line.