English edit

Etymology edit

thru +‎ way

Noun edit

thruway (plural thruways)

  1. (US) Standard form of throughway.
    • 2012, Office of the Federal Register, editor, Code of Federal Regulations, Title 23[1], Revised, 2012 edition (Transport), Government Printing Office, →ISBN, page 337:
      … not less than 20 miles per hour on all portions of the thruway system.