N.J. Stat. § 32:1-29

Manhattan Service. The island of Manhattan to be connected with New Jersey by bridge or tunnel, or both, and freight destined to and from Manhattan to be carried underground, so far as practicable, by such system, automatic electric as hereinafter described or otherwise, as will furnish the most expeditious, economical and practicable transportation of freight, especially meat, produce, milk and other commodities comprising the daily needs of the people. Suitable markets, union inland terminal stations and warehouses to be laid out at points most convenient to the homes and industries upon the island, the said system to be connected with all the transcontinental railroads terminating in New Jersey and by appropriate connection with the New York Central and Hudson River Railroad, the New York, New Haven and Hartford and the Long Island Railroads. L.1922, c. 9, s. 4, p. 28 (1924 Suppl. s. 161-20).