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California MUTCD 2014 Edition <br /> (FHWXs MUTCD 2009 Edition, including Revisions 1 & 2,as amended for use in California) Page 1136 <br /> Table 61-1-3. Recommended Advance Warning Sign Mifiimit Spacing <br /> Road Type Distance Between Signs** <br /> A B c <br /> Urban jteri-eRee*-25 mph or less*" 100 feet 100 feet 100 feet <br /> Urban-more than 25 mph to 40 mph."` 250 feet 254 feet <br /> 250 feet <br /> Urban{§ seae4-more than 40 mph*- 850 feet MO feet 850 feet <br /> Rural 500 feet 500 feet <br /> 500 feet <br /> Expressway/Freeway 1,000 feet 1 50 feet <br /> 2,640 feet <br /> • ���� H k fF p <br /> " The column headings A,.6,and G are the dimens ons shown in Figures 6H-1 through 6H-46. The A <br /> dimension is the distance from the transition or point of restriction to the first sign_ The 6 dimension <br /> is the distance between the first and second signs, The C dimension is the distance between the <br /> second and third signs (The°first sign,,is the sign in a three-sign series that is closest to the TTG <br /> zone, The"third sign"is the sign that is furthest upstream from the TTC zone,) <br /> hosted speed limit,off-peak 85th-percentile speed prior to work starting,or other anticipated operating speed <br /> in mph. <br /> Table 6H-4. Formulas for Determining Taper Length <br /> Speed(S) 7= w <br /> L)in feet <br /> 40 mph or less <br /> 45 mph or more <br /> Where: L =taper length in feet <br /> W =width of offset n feet <br /> S =posted speed limit,or off-peak 85th-percentile <br /> speed prior to work starting,or the anticipated <br /> Operating speed in mph <br /> Chapter 6H--Typical Applications <br /> Part 6—Temporary Traffic Control November 7,2014 <br />