A semi truck and trailer is 8 feet wide. So, wider than that. Additionally, you'd want to ensure that they enough space to make the turn.
70 feet long 13 1/2 feet tall and 8 1/2 feet wide.
Forty boxes
Eight feet.
A 48 foot trailer can hold about 24 standard pallets. Each pallet is 4 feet by 4 feet, and the trailer is about 8 feet wide.
Assuming you are going to stack the contents the same height as they were in the semi trucks, and that each semi trailer was 53 feet long by 8 feet wide, it would take 848 square feet.
The typical length of a single wide trailer when referring to a mobile home is 70 feet. A single wide mobile home containing about 3 bedrooms is about 14 feet wide and 70 feet long.
A flatbed truck normally does not have any sides, so that wide loads can extend over the edge of trailer. A trailer with sides would not allow wide loads and thus could not be considered a flat bed.
540
3676
8 ft wide
1400 square feet