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California MUTCD Page 6H-19 (t'H WA's MUTCD 2003 including Revisions I and 2,as amended for use in California) Notes for Figure 611-6—Typical Application 6 Shoulder Work with Minor Ef ncroachment Guidance: 1. All lanes should be a minimum of 3 in(10 ft)in width as measured to the near face of the channelizing devices. 2.The treatment shown should be used on a minor road having low speeds.For higher-speed traffic conditions, a lane closure should be used. Option: 3.For short-term use on low-volume,low-speed roadways with vehicular traffic that does not include longer and wider heavy commercial vehicles,a minimum lane width of 2.7 in(9 ft)may be used. 4. Where the opposite shoulder is suitable for carrying vehicular traffic and of adequate width,lanes may be shifted by use of closely spaced channelizing devices,provided that the minimurn lane width of 3 in(10 it)is maintained. 5. Additional advance warning may be appropriate,such as a ROAD NARROWS sign. 6.Temporary traffic barriers may be used along the work space. 7.The shadow vehicle may be omitted if a taper and channelizing devices are used. 8. A truck-mounted attenuator may be used on the shadow vehicle. 9.For short-duration work,the taper and channelizing devices may be omitted if a shadow vehicle with activated high-intensity rotating,flashing,oscillating,or strobe lights is used. 10.Vehicle hazard warning signals may be used to supplement high-intensity rotating,flashing, oscillating,or strobe lights. Standard: 11.Vehicle hazard warning signals shall not be used Instead of the vehicle's high-hrtensity rotating, flashing,oscillating,or strobe lights. 12.Note 3 shall not be applicable to State highways.Note 1 shall be used instead for State highways. (This space left intentionally blanb) Chapter 6H—Typical Applications January 21,2010 Part 6—Temporary Traffic Control