Offers the complete versatile system for construction applications with hinged side winfs designed to rotate and self lock every 90 degrees. The unique feature allows contractors to create configurations to protect temporary pathway excavations and road works of all kinds. The Olympic Barrier may be used as 2m or 1.25m lengths, either linear or in a box structure. The linking clips slide to ensure complete stability on unven surfaces and with the side wings folded, stacking and transportation is easy.