New Jersey Route 101 was planned to begin at Harrison Avenue in Kearny, Hudson County. From here, the route was to head north into the New Jersey Meadowlands in Bergen County, where it would pass through Lyndhurst, Rutherford, and East Rutherford. Route 101 would continue north through Carlstadt before running in between Moonachie Road and the Hackensack River. The route was to pass through Little Ferry and into the eastern part of Hackensack, where Route 101 was to terminate at an intersection with Route 4. From this point, Route S101 was planned to continue north to the New York border in Montvale. Route 101
Ramapo River at the location where barrels of toxic chemicals were buried. At Harriman, the river then turns south into western Rockland County, where it flows through the hamlet and town of Ramapo, New York, then into northern Bergen County, New Jersey. In New Jersey, it flows SSW, along the east side of the ridge of the Ramapo Mountains. The river flows into Potash Lake in Oakland and from there, into Pompton Lake in Pompton Lakes. The river that flows out of Pompton Lake, forming the border between Pompton Lakes and Wayne. The Ramapo forms a confluence with the Pequannock River along