N.J. Stat. § 32:1-35.21
In furtherance of the aforesaid findings and determinations and in partial effectuation of the comprehensive plan heretofore adopted by the two states for the development of terminal and transportation facilities in the Port of New York district, the Port Authority of New York and New Jersey is hereby specifically authorized to undertake pursuant to chapter 43 of the laws of New Jersey of 1947, as amended, and chapter 802 of the laws of New York of 1947, as amended, the following separate air terminal facilities:
A railroad line connecting Newark International Airport to existing rail and terminal facilities in the city of Newark, including (i) appropriate mass transportation terminal facilities at and within the said airport; (ii) construction, reconstruction and improvement of suitable offsite facilities for the accommodation of air passengers, baggage, mail, express, freight and other users of the connecting facility; and (iii) such additional rail or other mass transportation, terminal, station, parking, storage and service facilities as operations may require.
A railroad line connecting John F. Kennedy International Airport to the main line of the Long Island Railroad in the county of Queens, including (i) a spur or branch to the Montauk line of the said railroad in the said county; (ii) appropriate mass transportation terminal facilities at and within the said airport; (iii) suitable offsite facilities for the accommodation of air passengers, baggage, mail, express, freight and other users of the connecting facility; and (iv) such additional rail or other mass transportation, terminal, station, parking, storage and service facilities, including improvements to the railroad approaches to Pennsylvania Station and Jamaica Terminal in the city of New York, as operations may require.
N.J.S. § 32:1-35.21