If any person, without authority and in the absence of apparent danger warranting such act, shall, out of a spirit of mischief, or with any purpose other than to prevent or give information of an accident, make, or cause to be made, any sign or signal to persons in charge of any locomotive, or railroad train or cars, or to any of such persons, or in sight of any of them, with intent to cause the stopping or starting of such locomotive, train, or cars; or if any person unlawfully interfere with the management or running of such locomotive, train, or cars on any railroad, the person so offending shall be guilty of a misdemeanor, and, upon conviction, shall be fined not less than one hundred dollars ($100.00) nor more than five hundred dollars ($500.00), or shall be imprisoned in the county jail not exceeding three (3) months.