a semi-trailer doesn't have a front axle. That means it relies on the truck for both support and movement. In this article, we'll break down the different types of semi-trailers you might spot on ...

You might have noticed empty flatbed trailers with a pronounced curve that's highest in the middle. This is why that arch is ...

Other types ... for a semi-trailer is 8.5 feet, or 102 inches. This size fits well within a standard highway lane, which is about 12 feet wide. The extra space lets large semi-trucks stay ...