604— Category II Traffic Control Devices

600-35 Section 604 — Category II Traffic Control Devices

604.1 Description 1 Provide, install, and maintain Category II traffic control devices. 604.2 Materials 604.2.1 Vertical Panels 1 Surface mounted vertical panels are Category II devices. These devices consist of a plastic sign panel attached to an approved surface mounted flexible delineator post installed on a pavement surface with a bituminous or epoxy adhesive per manufacturer’s specifications. 2 Fabricate each sign panel of a lightweight flexible polycarbonate plastic material with a surface area of 12 in. × 36 in. and a thickness of approximately 1/16 in. Do not use sign panels fabricated from aluminum sign substrate or aluminum laminated composite material substrate to attach a Category II surface mounted vertical panel. 604.2.2 Type I and Type II Barricades 1 Use Type I and Type II barricades included on the Approved Products List For Traffic Control Devices In Work Zones . 2 Ensure that the reflectorization for Type I and Type II barricades complies with Subsection 602.2.2 . 604.2.3 Type III Barricade 1 Use Type III barricades included on the Approved Products List For Traffic Control Devices In Work Zones . The minimum width of acceptable Type III barricades is 6 ft. 2 Ensure that the reflectorization for Type III barricades complies with Subsection 602.2.2. 604.2.4 Portable Sign Supports 1 Use portable sign supports included on the Approved Products List For Traffic Control Devices In Work Zones . 2 Provide portable sign supports fabricated of steel and/or aluminum components. Ensure that each portable sign support has retractable support legs. 3 Ensure that each sign support provides a minimum mounting height of 5 ft from the ground to the bottom edge of the sign with the retractable legs in a flat position in full contact with the ground surface underneath the sign support.