Proposed expansion of the New York City Subway BMT Canarsie Line from Eighth Avenue to Jersey City under the Hudson River. The tunnel under the Hudson would have cost $40,000,000. The extension would have provided access to commuter railroads in New Jersey as most lines converged there, and the lines that didn't would be rerouted to stop there. The RPA also suggested having a parking lot there for access from the Pulaski Skyway and the New Jersey Turnpike. It was suggested that either the New York City Transit Authority, the Port Authority of New York and New Jersey or the Bi-State Metropolitan Rapid Transit Commission would do the
New York–New Jersey Highlands River in Connecticut, encompassing the Reading Prong. In New Jersey, the region's watershed is protected by the state's own Highlands Water Protection and Planning Act. In addition to preserving water resources, the act supports open space preservation and the creation of new recreational parks and hiking trails in America's most densely populated state. New York–New Jersey Highlands The New York – New Jersey Highlands is a geological formation composed primarily of Precambrian igneous and metamorphic rock running from the Delaware River near Musconetcong Mountain, northeast through the Skylands Region of New Jersey along the Bearfort Ridge and the Ramapo Mountains,