N.J. Stat. § 40:67-31: Location of tunnel and approaches; right of entry upon lands

The governing body may locate such tunnels and approaches wholly on private lands, or partly in streets or highways or avenues and partly on private lands, and the municipality by its agents and employees may enter upon, open, use and occupy such portion of any such street, highway or avenue in the municipality as may be necessary or proper to construct properly the tunnel or tunnels and approaches.