A trailer for use in road haulage and a method for using the trailer

The invention pertains to a trailer for use in road haulage, the trailer having a supporting frame for carrying a load, the frame having at a first lateral edge a first carrying arm for supporting the load, which arm extends from the frame, and at a second lateral edge opposite to the first lateral edge a second carrying arm for supporting the load, which arm extend from the frame, the first and second carrying arms being removably connected to the frame, the frame having at an upstream position of the first lateral edge, a first connection site for removably connecting the first carrying arm, and at a downstream position a second connection site for removably connecting the first carrying arm, and at an upstream position of the second lateral edge, corresponding to the upstream position of the first lateral edge, a first connection site for removably connecting the second carrying arm , and at a downstream position corresponding to the downstream position of the first lateral edge a second connection site for removably connecting this carrying arm, wherein the trailer is provided with a carriage that is movable along the supporting frame from the first connection sites to the second connection sites, which carriage is provided with means to guide the carrying arms from the first connection site to the second connection site. The invention also pertains to a method to use such a trailer.