Neb. Rev. Stat. §§ 15-208
A city of the primary class shall have the power to (1) prevent and remove all encroachments on streets, avenues, alleys, and other city property, (2) prevent and punish horseracing, fast driving or riding in the streets, highways, alleys, bridges, or other places in the city, (3) regulate all games, practices, or amusements within the city likely to result in damage to any person or property, (4) regulate the riding, driving, or passing along any street of the city, (5) regulate and prevent the use of streets, sidewalks, and public grounds for signs, signposts, awnings, telephone or other poles, racks, bulletin boards, and the posting of handbills and advertisements, (6) regulate traffic and sales upon the streets, (7) prohibit and punish cruelty to animals, and (8) regulate and prevent the moving of buildings through or upon the streets.
Neb. Rev. Stat. §§ 15-208