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5-84 <br /> TRAFFIC CONTROLS Traffic Manual <br /> 1-1996 <br /> Work Beyond the Shoulder <br /> 1. The signs illustrated in this figure are not required if the worce is behind a barrier,more than 0.6 <br /> m behind the curb,or 4.6 mor more from the edge of anyroadway. <br /> Z. The <br /> C-22B WORKER symbol sign may be replaced with other appropriatesigns,used for SHOULDER WORK AREAL' sign. The SHOULDER WORK AHEAD sign y , <br /> adjacent to the shoulder. <br /> 3. If the work space is in the median of a,divided highway,an advance warning sign should also be placed <br /> on the left side of the directional roadway. <br /> 4. For short-term,short-duration,or mobile operation, <br /> all signs and channelizing devices may be eliminated <br /> if a vehicle with an activated flashing or revolving yellow light is used. <br />