ADA Compliant, no tri[ hazard for pedestrians - meets or exceeds ADA Guidelines & meets MUTCD standards. No sandbags needed. Linking sections are made up of two pieces that securely fit together. Modular system can be shaped to any layout. stable in windy conditions. Quick and easy to install. Anti-tamper linking system. Available in orange or white, with or without reflective sheeting. NCHRP-350/MASH Accepted.