What is the minimum height requirement for traffic cones used on freeways or high-speed highways at night?

The minimum height requirement for traffic cones used on freeways or high-speed highways at night is essential for visibility and safety. A height of 28 inches for traffic cones ensures that they are adequately noticeable to drivers traveling at higher speeds, especially in low-light conditions. This standard helps to mitigate the risks associated with roadwork zones, accidents, or other roadway hazards by providing a clear visual cue to motorists. The use of cones that meet or exceed this height requirement helps to ensure that they are not easily overlooked, thus enhancing the overall safety of both drivers and emergency responders on the scene.