Neb. Rev. Stat. § 74-597: Neb. Rev. Stat. § 74-597

In any circumstances involving a railroad accident or the operation of a train in violation of state law or local ordinance, no engineer or other crew member of the train shall be required to furnish a motor vehicle operator's license to any state or local law enforcement officer, nor shall any citation involving the operation of a train be issued against the motor vehicle operator's license of the engineer or any other crew member of the train.