text: During September 1998, Crabtree-Harmon, the seventh-largest student transportation bus company in the United States was acquired, with 82 school bus contracts mainly in Missouri, but also in other Midwest states including Colorado, Iowa, Kansas, Oklahoma and Utah. During February 1999, Robinson Bus Service was purchased; it was followed in August 1999 by Durham Transportation. These acquisitions placed National Express as one of the top three United States school bus operators.
  In May 1999, National Express purchased Australia's largest private bus operator, National Bus Company. National Bus Company had bus operations in Brisbane, Melbourne and Perth, and also held a 57% shareholding in Westbus, Sydney's largest bus operator. Westbus also had a London coach operation. In August 1999, National Express was awarded the M>Train, M>Tram and V/Line Passenger rail franchises in the Australian state of Victoria.
  2000s
  During January 2000, National Express expanded into the American market by acquiring ATC, a public transportation operator. In July 2000, Prism Rail was purchased, though which the c2c, Wales & Borders, Wessex Trains and West Anglia Great Northern franchises were added to National Express' portfolio.
  In December 2002, National Express handed in its rail franchises in Victoria, Australia, having been unable to renegotiate financial terms with the State Government.