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California MUTCD <br /> (FHWA's MUTCD 2003 Revision 1,as amended for use in California) Page 6E-7 <br /> Table 6E-101(CA).Longitudinal Buffer Space on Downgrades" <br /> Speed %Downgrade(Buffer Space) <br /> (km/h) -3% -6% -9% <br /> m m m <br /> 30 35 35 <br /> 35 <br /> 40 50 50 <br /> -- 53 <br /> 50 66 70 <br /> 74 <br /> 60 87 92 <br /> — 97 <br /> 70 110 116 124 <br /> 80 136 144 154 <br /> ----90 _,-- 164 _ 174 _ 187 <br /> ----1 00 194 207 –-- 223--– <br /> 110 227 243 262--- — <br /> Speed %Downgrade(Buffer Space) <br /> (mph) -3% -6% -9% <br /> ft ft ft <br /> 20 116 120 126 <br /> 25 158 165 173 <br /> 30 205 215 227 <br /> 35 257 271 287 <br /> 40 315 333 354 <br /> 45 _ 378 400427 <br /> 50 446 474 507 <br /> 55 520 553 593 <br /> 60 598 638 686 <br /> --------65 682 728 785 <br /> 70 771 825 - 891——— <br /> `Exhibit 3-2.A Policy on Geometric Design of Highways and Streets,AASHTO,2001, p.115. <br /> Chapter 6E—Flagger Control <br /> Part 6—Temporary Tragic Control September 26,2006 <br />