devices and methods have been described with a certain degree of particularity it is to be noted that many modifications may be made in the details of the construction and the arrangement of the devices and components without departing from the spirit and scope of this disclosure it is understood that the devices and methods are not limited to the embodiments set forth herein for purposes of exemplification the present invention relates to a method of improving shunt detection on bi directional railroad tracks and to an integrated railroad highway crossing signal electronic assembly more particularly but not by way of limitation the present invention provides a method of improving shunt detection using high current dc output to railroad track rails fig1 depicts a prior art crossing signal circuit with unoccupied train track segments 10 a battery or other power source 12 is electrically connected to a relay 14 through a pair of rails the relay is in turn electrically connected to a gate arm mechanism 16 which alerts drivers and or pedestrians when a train is near once it is activated fig2 depicts a prior art crossing signal circuit with an occupied train track segment 10 a battery or other power source 12 generates a current to a segment of train tracks when the current is shorted by train wheels and axles 18 breaking the connection a signal relay 14 is de energized when the.