The system includes a 416 mile (669 km) interstate natural gas pipeline that extends from the Canadian border at Waddington, New York, onward through New York State and western Connecticut, finally reaching its end point in the Bronx, New York.

The Sundre Crossover Project involved the construction of approximately 21 kilometres (km) of 42-inch diameter pipeline in Mountain View County, east of the town of Sundre, Alberta.