Neb. Rev. Stat. § 14-395: Neb. Rev. Stat. § 14-395

A city may authorize any street, highway, boulevard, main thoroughfare, controlled-access facility, connecting link, major traffic street, alley, or part of such street, highway, boulevard, thoroughfare, facility, link, or alley graded to a grade as established or changed in accordance with section 14-393 .