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California WTCD 2012 Edition Page 1149 <br /> (FHWA's MUTCD 2009 Edition,as amended for use in California) <br /> Notes for Figure 611-6—Typical Application 6 <br /> Shoulder Work with Minor Encroachment <br /> Guidance: <br /> 1. All lanes should be a minimum of 10 feet in width as measured to the near face of the channelizing devices. <br /> 2. The treatment shown should be used on a minor road having low speeds. .For higher-speed traffic conditions, <br /> a lane closure should be used. <br /> Option: <br /> 3. For short-term use on low-volume, low-speed roadways with vehicular traffic that does not include longer <br /> and wider heavy commercial vehicles, a minimum lane width of 9 feet may be used. <br /> 4. Where the opposite shoulder is suitable for carrying vehicular traffic and of adequate width, lanes may be <br /> shifted by use of closely-spaced channelizing devices,provided that the minimum lane width of 1.0 feet is <br /> maintained. <br /> 5. Additional advance warning may be appropriate, such as a ROAD NARROWS sign. <br /> 6. Temporary traffic barriers may be used along the work space. <br /> 7. The shadow vehicle may be omitted if a taper and channelizing devices are used. <br /> 8.A truck-mounted attenuator may be used on the shadow vehicle. <br /> 9. For short-duration work,the taper and channelizing devices may be omitted if a shadow vehicle with <br /> activated high-intensity rotating, flashing, oscillating,or strobe lights is used. <br /> 10. Vehicle hazard warning signals may be used to supplement high-intensity rotating, flashing,oscillating, or <br /> strobe lights. <br /> Standard: <br /> l 1.Vehicle-mounted signs shall be mounted in a manner such that they are not obscured by equipment <br /> or supplies. Sign legends on vehicle-mounted signs shall be covered or turned from view when work is <br /> not in progress. <br /> 12. Shadow and work vehicles shall display high-intensity rotating, flashing,oscillating,or strobe lights. <br /> 13.Vehicle hazard warning signals shall not be used instead of the vehicle's high-intensity rotating, <br /> flashing,oscillating,or strobe lights. <br /> 14. Note 3 shall not be applicable for State highways. Note#1 shall be used instead for State highways. <br /> Chapter 6H—Typical Applications January 13,2012 <br /> Part 6--Temporary Traffic Control <br /> Temporary Traffic Control(Parts 1 &6)Page 207 of 320 <br />