Relief is allowed on all costs involved including outward and return freight and insurance.

From here caravans had formerly set forth for Santa Fe, and the returning freight wagons were often driven by Mexicans who spoke no English.

The Drachtstervaart brought in ships and the ships brought in not only return freight, but also their own service industry: rope-yards, carpenter's yards, and forges.

Ideally, a freight order for the return trip would increase profitability, so the trucker would search for return freight or backload on a freight exchange.