Even though the plains are indeed quite flat, you might find it curious that this eastbound Z-Train has only two units. The reason being that, despite this train being loaded with containers (up front) and trailers (toward the back), it is actually almost entirely empty. Denver tends to be a net receiver of goods, so intermodal trains come to Denver loaded, but frequently end up leaving largely empty. That fact is reflected in the trains symbol. This is the ZDENCHI7-22. The "7" in the symbol indicates this train is an extension off another high priority train. If this was a loaded train, it would have the symbol ZDENCHI9-22. The "9" in the symbol (on Z-Trains) indicates the train 1st section, critical arrival. There are no higher-priority trains on the system than "Z9" trains. Still, the dispatcher will keep this "Z7" rolling over most other trains on the line.
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