731010313 is a signal manufactured by Auer Signal Inc. It is a Hybrid LED signal used for grade crossing and rail junction applications. The signal is designed for easy assembly and is approved for use in the Canadian and U.S. rail systems. The signal consists of a housing, LED head(s), lamp, and mounting components. The signal is capable of displaying Steady Burn, Flashing, and Preemption modes. The signal is also certified for types of locomotives, such as Diesel or Steam.