We have all seen those big pieces of rubber from semi vehicle tires on the highway.

They are described as alligators. Road kill is a common website on many roads, as well as common carrier refer to it as roadway pizza. Flat bed trailers are often described as skateboards. Tractor trailers are frequently described as a box. If you see a truck relocating without a trailer connected to it, truckers call this bobtailing. While it conserves them of fuel mileage, it is a rugged road without that trailer on the back to assist smooth points out.