1. A device to measure the linear speed of a train, which is comprised of: a. a plurality of sensors; wherein the plurality of the sensors will calculate the speed of a train; wherein the plurality of sensors is secured to a bar; said bar is secured to a railroad track; wherein each individual sensor is encased in a protective casing; b. a plurality of rare earth magnets; wherein the plurality of rare earth magnets is positioned along the exterior of the bar; wherein the plurality of rare earth magnets secures the bar to a rail of a rail road track; c. a controller; wherein the controller is located within the speed sensor casing; wherein the controller transmits the information provided by the plurality of sensors to software; wherein the software uses the information provided by the plurality of sensors to calculate the linear speed of the train; d. a plurality of speed sensor stabilizers; wherein the plurality of speed sensor stabilizers is affixed to the bar.