ADA compliant, no trip hazards for pedestrians. Meets or exceeds ADA guidelines and MUTCD standards. No Sandbags needed. Linking sections are made up of two pieces that securely fit together. Top wall - rugged polyethylene, Bottom base - 43 lbs. self weighted black base with carry handle. Modular system can be shaped to any layout. Stable in windy conditions. Quick and easy to install. Anti-tamper linking system. Compact stacking lowers transportation cost. Available in orange or white, with or without reflective sheeting. NCHRP 350/MASH accepted, Meets MUTCD standards.