N.J. Stat. Ann. § 48:9-24

Any corporation of this state, having lawful authority to lay or maintain gas pipes or mains in the streets and public places of a municipality for the distribution of gas, may use its pipes or mains within the municipality for the transmission of gas to another municipality, in the streets or public places of which it may also have lawful authority to lay or maintain gas pipes or mains for the distribution of gas. Nothing contained in this section shall grant to any corporation a franchise or right to lay down gas pipes for the distribution of gas in any municipality of this state.