There is described a method of displaying a sequence of truck identifiers at a plurality of truck computers. Each truck computer having a corresponding display screen and being located at a corresponding truck. Each truck computer having a respective one of said truck identifiers of the sequence. The method generally having: at a producer computer located at a batch plant, communicating the sequence of truck identifiers to a coordinator computer over a telecommunications network; at the coordinator computer remote from the batch plant, communicating the sequence of truck identifiers to corresponding ones of the plurality of truck computers associated to corresponding ones of the truck identifiers over the telecommunications network; and at different ones of the truck computers, displaying the sequence of truck identifiers on the associated display screen.