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A rail vehicle control communication system includes a vehicle management device capable of being coupled with a conductive pathway extending along a track and of forming an instruction to control an operation of a rail vehicle travelling along the track, the vehicle management device transmitting t

A rail vehicle control communication system includes a vehicle management device capable of being coupled with a conductive pathway extending along a track and of forming an instruction to control an operation of a rail vehicle travelling along the track, the vehicle management device transmitting the instruction to the rail vehicle through the conductive pathway; and an on-board communication device capable of being coupled with the rail vehicle, the on-board communication device configured to receive the instruction communicated through the conductive pathway from the vehicle management device, the on-board communication device configured to change the operation of the rail vehicle based on the instruction.

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1. A communication system comprising: a vehicle management device configured to be coupled with a conductive pathway extending along a route being traveled by a vehicle and to form an instruction to control an operation of the vehicle traveling along the route, the vehicle management device also con

1. A communication system comprising: a vehicle management device configured to be coupled with a conductive pathway extending along a route being traveled by a vehicle and to form an instruction to control an operation of the vehicle traveling along the route, the vehicle management device also configured to transmit the instruction as a differential signal to the vehicle through the conductive pathway; andan on-board communication device configured to be coupled with the vehicle and to receive the instruction communicated through the conductive pathway from the vehicle management device, the on-board communication device further configured to increase a tractive effort generated by the vehicle based on the instruction. 2. The communication system of claim 1, wherein the conductive pathway includes at least one of a rail of a track that the vehicle travels along, a powered rail that supplies electric current to the vehicle, or a catenary that supplies electric current to the vehicle. 3. The communication system of claim 1, wherein the vehicle management device is configured to communicate the instruction to the vehicle while the vehicle is moving along the route relative to the vehicle management device. 4. The communication system of claim 1, wherein the on-board communication device is configured to direct a propulsion subsystem of the vehicle to change at least one of the tractive effort or a braking effort of the vehicle based on the instruction received through the conductive pathway. 5. The communication system of claim 1, wherein the on-board communication device is associated with a unique address, and the vehicle management device is configured to communicate the instruction to the vehicle based on the unique address. 6. The communication system of claim 1, wherein the conductive pathway is divided into segments extending between opposite ends separated by a gap, and the vehicle management device is configured to transmit the instruction to the vehicle based on which of the segments that the vehicle is traveling along. 7. The communication system of claim 1, wherein the conductive pathway is divided into segments extending between opposite ends separated by a gap, further comprising a bridge assembly configured to convey the instruction between the neighboring segments across the gap. 8. The communication system of claim 1, wherein the vehicle is a rail vehicle. 9. The communication system of claim 1, wherein the on-board communication device is configured to communicate with a device disposed off of the route via the conductive pathway. 10. A method comprising: forming an instruction to control operation of a vehicle traveling along a route, the instruction associated with a unique address of the vehicle;transmitting the instruction to the vehicle through a conductive pathway that extends along the route; andchanging the operation of the vehicle based on the instruction by increasing tractive effort generated by the vehicle if the instruction is associated with the unique address of the vehicle. 11. The method of claim 10, wherein the instruction is transmitted through at least one of a rail of the route, a powered rail that supplies electric current to the vehicle, or a catenary that supplies electric current to the vehicle. 12. The method of claim 10, wherein changing the operation of the vehicle includes varying at least one of the tractive effort or a braking effort of the vehicle based on the instruction. 13. The method of claim 10, wherein transmitting the instruction includes communicating the instruction as a differential signal through the conductive pathway. 14. The method of claim 10, wherein the conductive pathway includes segments that extend between opposite ends with neighboring segments being separated from each other by a gap, and the instruction is transmitted to the vehicle based on which of the segments that the vehicle is traveling along. 15. The method of claim 10, wherein the conductive pathway includes segments that extend between opposite ends with neighboring segments being separated from each other by a gap, further comprising conveying the instruction between the neighboring segments across the gap. 16. The method of claim 10, wherein the vehicle is a rail vehicle. 17. The method of claim 10, further comprising communicating with a device disposed off of the route via the conductive pathway. 18. A communication system comprising: a vehicle management device configured to be coupled with a conductive pathway that is divided into segments extending between opposite ends, the ends of two or more of the segments facing each other being separated by a gap extending along a route being traveled by a vehicle, the vehicle management device also configured to form an instruction to control an operation of the vehicle traveling along the route and to transmit the instruction to the vehicle through the conductive pathway; andan on-board communication device configured to be coupled with the vehicle and to receive the instruction communicated through the conductive pathway from the vehicle management device, the on-board communication device further configured to increase a tractive effort generated by the vehicle based on the instruction; anda bridge assembly configured to convey the instruction between the two or more segments having the ends that are facing each other across the gap, wherein the vehicle management device is configured to transmit the instruction as a differential signal through the conductive pathway. 19. The communication system of claim 18, wherein the vehicle management device and the on-board communication device are configured to communicate the instruction as one or more acoustic waves that propagate through the conductive pathway. 20. A method comprising: forming an instruction to control operation of a vehicle traveling along a route;transmitting the instruction to the vehicle through a conductive pathway that extends along the route by communicating the instruction as a differential signal through the conductive pathway; andchanging the operation of the vehicle based on the instruction by increasing tractive effort generated by the vehicle. 21. The method of claim 20, wherein the forming the instruction includes associating the instruction with a unique address of the vehicle and changing the operation of the vehicle includes varying the operation of the vehicle if the instruction is associated with the unique address of the vehicle. 22. A method comprising: forming an instruction to control operation of a vehicle traveling along a route;transmitting the instruction to the vehicle through a conductive pathway that extends along the route, the conductive pathway including segments that extend between opposite ends with neighboring segments being separated from each other by a gap, the instruction transmitted based on which of the segments that the vehicle is traveling along; andchanging the operation of the vehicle based on the instruction by increasing tractive effort generated by the vehicle.