superroad

English

Etymology

super- +‎ road

Noun

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 June, Kiplinger's Personal Finance, volume 10, number 6, page 13:

     A total of 628 people have been killed in 12,325 accidents on the Pennsylvania Turnpike, oldest of the superroads.