NRS 268.726: “Underpass project” defined.

“Underpass project” means any tunnel, tube, open cut, or other subway, structure or facilities for the transportation of pedestrians, railroad, motor and other vehicles, and utility lines, as the case may be, under any street, highway, stream, railroad tracks, and any other way or place, including without limitation approaches, ramps, structures, crosswalks, sidewalks, driveways, culverts, drains, sewers, manholes, inlets, outlets, retaining walls, artificial lights, pumping equipment and ventilating equipment (or any combination thereof).