Patent ID: 7973676

Claim:
A method for controlling the movement of vehicles comprising the steps of: (a) carrying a portable transmitting assembly to a desired location where at least one vehicle travels, said transmitting assembly including a computer; (b) transporting a portable receiving assembly with a vehicle to the desired location; (c) disposing the portable receiving assembly contiguous to the desired location; (d) depressing manually by an operator a button on the portable transmitting assembly for illuminating a light in the portable receiver assembly; (e) entering manually a message into the portable transmitting assembly to cause the portable transmitting assembly to receive the message; (f) entering manually into the portable transmitting assembly the reason why the message was entered; and (g) transmitting the manually-entered message and the manually-entered reason with the portable transmitting assembly to a message box in the portable receiver assembly; and (h) displaying both the manually-entered message and the manually-entered reason on the portable receiver assembly.