N.J. Stat. Ann. § 12:5-7

Sections 12:5-3 to 12:5-6 of this title shall not apply to or affect any development for docks, shipping and transportation facilities inaugurated by a municipality and under construction in whole or in part prior to April eighth, one thousand nine hundred and fourteen, provided the municipality had, prior to said date, filed with the secretary of state a map showing the lands proposed to be taken for such municipal development.