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super- +‎ road


superroad (plural superroads)

  1. superhighway
    • 1952, Brotherhood of Railroad Trainmen, Trainman News (volume 6, page 11)
      Railroad workers all over the nation want to know why the general public and the railroad industry must be taxed to pay for the superroads required by heavy trucks.
    • 1956, Kiplinger's Personal Finance (volume 10, number 6, June 1956, page 13)
      A total of 628 people have been killed in 12,325 accidents on the Pennsylvania Turnpike, oldest of the superroads.