NEW YORK (Standard&Poor's CreditWire) Aug. 12, 1999--Standard&Poor's today assigned its double-'A'-plus rating to Kansas Department of Transportation's (KDOT) $400 million highway revenue bonds series 1999 dated Sept. 1, 1999, due Sept. 1, 2005-2019. The bonds are scheduled to sell Aug. 25, 1999. Additionally, Standard&Poor's also affirmed its double-'A'-plus rating on KDOT's $815 million highway revenue bonds, various series. The rating reflects: -- High coverage of more than 7 times (x) maximum annual debt service (MADS) and 5x coverage when added federal reimbursements are excluded; -- A diverse and economically resilient pledged revenue stream largely made up of motor fuel taxes, registration and license fees, certain state sales taxes, and federal reimbursements; -- Strong growth