High Quality Content by WIKIPEDIA articles! In 1927, New Jersey`s state highways were renumbered. The old system, which had been defined in sequence by the legislature, was growing badly, as several routes shared the same number, and many unnumbered state highways had been defined. A partial renumbering was proposed in 1926, getting rid of the duplicates and assigning numbers to many of the unnumbered routes, but instead a total renumbering was done in 1927.