All wheeled vehicles traveling over or upon said roads so designated by said signal or signboards, when operated by steam, gas, or electricity, shall be equipped with a whistle, horn, or other signal which shall be duly sounded upon approaching said danger zones, so indicated by said signal or signboards.Codes, Hemingway's 1921 Supp. § 7259l; 1930, § 6328; 1942, § 8302; Laws, 1918, ch. 220.
Mississippi Legal Code