Abstract: A collapsible foldable utility trailer for the transportation and/or storage of objects, the trailer comprising a supporting chassis frame; suspension for supporting the chassis frame; and a trailer bed retained upon the chassis frame and comprising a plurality of bed sections comprising a first bed section and a second bed section wherein a second planar bed member in the second bed section is hingedly connected between a pair of opposing second bed side walls to a first planar bed member in the first bed section between a pair of opposing first bed side walls so as to allow 90° rotation of the second bed section to effect abutment with the first bed section. A large folding trailer that can be used at full size, or be folded to be used as a short trailer, or folded again for storage.