The director of Missouri's Department of Transportation is taking a medical leave of absence and plans to resign his post.
The department announced Thursday that Kevin Keith's leave is effective immediately and he will resign July 1.
Chief engineer David Nichols will serve as interim director until the state Highways and Transportation Commission appoints a new director. Commission chairman Joe Carmichael says Nichols will remain interim director for at least one year.
The head of the Missouri Department of Transportation says charging tolls on Interstate 70 is the only real option for funding reconstruction of the highway, if the state wants to do something about it right now.