NEW YORK (Standard&Poor's) July 8, 2014--Standard&Poor's Ratings Services assigned its 'AAA' long-term rating to the Kansas Department of Transportation' s (KDOT) highway revenue bonds series 2014A. In addition, Standard&Poor's affirmed its 'AAA' rating and underlying rating (SPUR) on KDOT's $1.63 billion of highway revenue bonds outstanding. The outlook on the bond rating is stable. "We consider the strong debt service coverage provided by state highway fund revenue a key credit strength," said Standard&Poor's credit analyst David Hitchcock. The 'AAA' long-term ratings reflect our view of: A statewide economic base generating pledged highway user tax revenues; Strong 6.49x coverage of maximum annual debt service (MADS) by total fiscal 2013 state pledged revenues in