Alert drivers of lane changes, work zones or hazardous situations! Type III barricades have High Intensity Prismatic reflective plastic panels with galvanized steel perforated tube legs and uprights. Square tubing base provides maximum stability and durability. Panels are 8' in length and made with high density plastic and are re-inforced to prevent bowing in hot weather. Square tubing allows for quick removal of the uprights from the feet and provides superior windload capabilities. NCHRP-350 Accepted - Meets MUTCD Standards.