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IAA STOCKTON WILSON WAY WORK AREA 1851 <br />Page 2 of 2 <br />Return to Table of Contents <br />FICE—TERED CIVIL cIxeee <br />August 1, 2022 <br />P-5 APPROVAL DATE <br />d:tee .s�w➢ <br />TABLE 1 <br />TABLE 2 <br />TABLE 3 <br />TAPER LENGTH CRITERIA AND <br />LONGITUDINAL BUFFER SPACE AND <br />ADVANCE WARNING SIGN SPACING <br />CHANNELIZING DEVICE SPACING <br />FLAGGER STATION SPACING <br />A. MAXIMUM CHANNELIZING <br />MINIMUM TAPER LENGTH <br />pOWHGRAOE NIn p YMiF <br />DISTANCE BETWEEN SIGNS* <br />N <br />DEVICE SPACING <br />FOR WIDTH OF OFFSET 12 FEET (W) <br />SPEED* Min D- <br />ROAD TYPE <br />4t 4t it <br />0 <br />SPEED X Y 2 we <br />-3X 6% -9% <br />iS) TANGENT MERGING SHIFTING SHOULDER <br />URBAN - 25 LESS 100 15D 100 <br />N <br />2L L L/2 L3 TAPER TANGENT CONFLICT <br />mall ft 4t ft ft <br />E T AN <br />URBAN - MORE THAN 25 mph To IO mph 250 25D 250 <br />mph ft ft it ft Pt it ft <br />20 115 116 120 126 <br />URBAN - MORE THAN 40 mph 350 350 350 <br />y <br />20 160 so 40 2T 20 40 10 <br />25 155 150 165 173 <br />RURAL 500 500 500 <br />25 250 125 63 42 25 50 12 <br />30 2 G 205 215 227 <br />EXPRESSWAY / FREEWAY 1000 1500 2640 <br />a <br />30 360 100 90 60 30 60 15 <br />35 250 257 271 207 <br />• - The distances aro approximate, aro Intended for guidance <br />Z <br />35 490 245 123 82 35 70 1T <br />40 305 315 333 354 <br />purposes only, and 6heUld be applied with engineering judgment. <br />v <br />W <br />40 640 320 160 107 40 00 20 <br />45 360 370 400 427 <br />These distances should be adjusted by the Engineer for field <br />a <br />45 1080 500 2]0 180 45 90 22 <br />50 425 44fi 474 50T <br />conditions, If necessary, by Increasing or decreasing the <br />50 1200 600 300 200 50 100 25 <br />55 495 520 553 593 <br />rxommmended distances. <br />55 1320 660 330 220 50 100 25 <br />60 5]0 598 638 686 <br />0 <br />60 1440 720 360 240 50 100 25 <br />65 695 682 T28 ]05 <br />65 1560 780 390 260 50 100 25 <br />70 730 771 825 891 <br />70 1600 840 420 280 50 100 25 <br />75 820 1 866 927 100J <br />r <br />75 1800 900 450 300 50 100 25 <br />a <br />M - Speed is posted eased limit, off-peak 05th -percentile <br />.j <br />speed prior to work starting, or the anticipated <br />• - For other offsets, use the 4olloelng merging taper length formula for L: <br />operoting speed In mph <br />For speed o4 40 mph or less, L = WS2/60 <br />x - Longitudinal buffer apace or Plugger station spacing <br />For speed of 45 mph or more, L = WS <br />m <br />asw - Use on sustained downgrade steeper than -3 percent <br />Where: L = Toper lengthfeat <br />and longer than 1 mile. <br />W = Width OP attestet in Peet <br />S = Posted speed limit, off-peak 05th -percentile <br />speed prior to work starting, or the anticipated <br />operating speed In mph <br />WW - Use for taper and tangent sections where there are ho pavement markings or where <br />there is a conflict between existing pavement markings and chonnellzers (CA). <br />STATE OF CALIFORNIA <br />DEPARTMENT OF TRANSPORTATION <br />TRAFFIC CONTROL SYSTEM TABLES <br />FOR LANE AND RAMP CLOSURES <br />T9 <br />Return to Table of Contents <br />