Neb. Rev. Stat. § 60-6,110

(1) Any person who knowingly fails or refuses to obey any lawful order of any peace officer who is controlling or directing traffic shall be guilty of a traffic infraction. (2) Any person who knowingly fails to obey any lawful order of a peace officer shall be guilty of a Class III misdemeanor whenever such order is given in furtherance of the apprehension of a person who has violated the Nebraska Rules of the Road or of a person whom such officer reasonably believes has violated the rules.