Channelizing devices are used to warn and alert drivers of conditions in work zones, to protect workers, and to guide and direct drivers and pedestrians safely. Channelizing devices include cones, tubular markers, vertical panels, drums, barricades, and barriers.
Cones are used most commonly for Short Duration/Short Term maintenance & Utility work. Cones used at night shall be retro reflectorized. Drums are most commonly used where they will remain in place for a prolonged work period Ex: Long Term Stationary Operations (> 3 Days). Ballast shall not be placed on top of channelizing devices.
Cone Spacing in the Work Area (straight away) shall be a maximum of 40 feet (1 Skip Line).