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Page 6H-10 2003 Edition <br /> Notes for Figure 611-3—Typical Application 3 <br /> Work on Shoulders <br /> Guidance: <br /> 1. A SHOULDER WORK sign should be placed on the left side of the roadway for a divided or one-way <br /> street only if the left shoulder is affected. <br /> Option: <br /> 2. The Workers symbol signs may be used instead of SHOULDER WORK signs. <br /> 3. The SHOULDER WORK AHEAD sign on an intersecting roadway may be omitted where drivers <br /> emerging from that roadway will encounter another advance warning sign prior to this activity area. <br /> 4. For short-duration operations of 64 minutes or less,aU signs and channelizing devices may be eliminated <br /> if a vehicle with activated high-intensity rotating, flashing, oscillating, or strobe lights is used. <br /> 5. Vehicle hazard warning signals may be used to supplement high-intensity rotating,flashing, oscillating, <br /> or strobe lights. <br /> Standard: <br /> 6. Vehicle hazard warning signals shall not be used instead of the vehicle's high-intensity rotating, <br /> flashing, oscillating,or strobe lights. <br /> 7. When paved shoulders having a width of 2.4 m(8 ft) or more are closed,at least one advance <br /> warning sign shall be used. In addition,channelizing devices shall be used to close the shoulder in <br /> advance to delineate the beginning of the work space and direct vehicular traffic to remain within <br /> the traveled way. <br />