NY -- Standard&Poor's CreditWire 2/27/98 -- Standard&Poor's today assigned its double-'A'-plus rating to Kansas Department of Transportation's (KDOT) $201.14 million highway revenue refunding bonds series 1998 due 1999-2014. Additionally, Standard&Poor's raised its rating on the department's outstanding highway revenue bonds to double-'A'-plus from double-'A'. Standard&Poor's also withdrew its double-'A'/'A-1'-plus ratings on KDOT's highway revenue bonds series 1994B. The rating upgrade reflects: --ýA diverse and economically resilient pledged revenue stream comprised largely of motor fuel taxes, registration and license fees, and certain state sales taxes which in 1997 generated over $464.5 million providing excellent, 5.40 times (x) coverage; -- Strong growth in pledged revenues, increasing 130.2% between 1989-1997; -- Despite legislative actions to