Neb. Rev. Stat. § 18-617
Whenever the governing body of any city or village within the state believes the construction of a viaduct over or subway under the track or tracks of any railroad within its corporate limits is necessary for the public safety, convenience, and welfare, such governing body shall pass a resolution so declaring. The governing body shall publish a notice of the passage of such resolution six consecutive days in a legal newspaper published in or of general circulation in such city or village or, if there is no such daily legal newspaper, then two consecutive weeks in a weekly legal newspaper published in or of general circulation in such city or village. The notice of the passage of such resolution shall include an exact copy of the resolution.
Neb. Rev. Stat. § 18-617