What does the term “doubles” refer to in trucking?

The term “doubles” in trucking specifically refers to a combination of two trailers being towed by a single tractor. This configuration allows for increased cargo capacity and efficiency in transportation, as the single tractor can manage two trailers at once. This setup is commonly used in the freight industry to deliver larger quantities of goods across various distances.

Understanding this terminology is crucial for CDL drivers as it highlights the differences in vehicle configurations and the specific regulations and handling techniques required for such setups. Proper knowledge of doubles is essential for ensuring safety on the road, compliance with transportation regulations, and efficient load management.