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C20 ILt) C20(LI) C18!See note 3 thru 51 M --4 Mta[ tFl ul 1�7r1s a C13(Sae note 7) KIM � alt4► _ raa n ssaslavC+rS. caper l ism Veer.tl 150 nMn Tow (+"Vier•+I - -- -------T —_ ♦x -� G - —� W-- �— Adana•w•miny 5VM 500 10 750 SW rs..n•w�f �} Or 4IIw. 1 I • • rr I • • • I(]• • •� Zt 1 � • UU � 11►�► --• — am Adve l wami"y Siam s00 e•?SO SW rs••ror 71 _! • • • �� O r + I • 0 DE1fAllt SIRE crrurwsrra "� AHEAD C13(See nota 7) O W1 {Lt)or W2 (Lt) } 0 W1 (R1}or W2 (Rt Ct > Cie C21 or C20 mxx Lev Xx fn r (See note 3 thru 5) No Scale a W6(See note 6) W6(See note 6) TABLE 1 c O a NOTES APPROACH TAPER NUMBER SPACING OF CONES 00 'n � Legend SPEED LENGTH OF CONES ALONG TAPER M Z ?1 Toper formula (MPH) (L) FOR TAPER* (Feel( t ? Sign L = S x W for speeds of 45 or mora 25 125 6 25 CO 3 O L = WS r for speeds of 40 or lees Cone or Portable 60 30 188 7 38 ^i STI Lrl DellnerstorWhere ' Z Direction of Traffic L = Minimum length of taper 35 245 8 35 D = C -4mo, S = Numerical value of posted 40 320 9 40 Z r Q Flashing Arrow Sign speed limit prior to work or (Optional) 85 percentile speed 45 540 13 45 n '11 (n + Flashing Yellow Beacon W = Width of offset 50 — 600 13 _ 50 Z 0 (Optional) 50+ 1800 21 50 fC n (e)Based on 12 toot wide lane This column is silo appropriate for lane widths Z SPECIAL NOTE less than 12 feet Field conditions could require deviations from these plans and accomp"ing notes Z � NOTES � 1 This plan does not apply where there ars emergency be 30"x 30' minimum other advance warr+ing signs 6 warning(A series signs used in work zones shA I be = conditions Under emergency conditions equipment shell be 36' x 36 minimum (Sea Note 5) black on orange Existing yellow waning signs already and personnel which are avelloble should be utlll"d to 4 All warning signs for night closures shall be either In place within these areas may remain In use = Implement a closure even though such closure does not Illuminated or reltectorized 9 Pavement markings for closures shall contort+to sec meet the standards contained In this plan As equip- lion 5-05 o1 this manual D ment or personnel become available an Immediate of S A C23 ROAD WORK AHEAD sign may be used Inlieu tort should then be made to Implement the standards of the C16 (See Note 3) 10 All cones shall be Internally Illuminated or fitted wtitn shown on this plan reflective white sleeves (See Section 5-03 Sr 6 Determine advisory speed at site should not be posted 2 Where approach speeds are low signs may be placed If In excess of speed lima 11 The maximum spacing between channeliting devices at 300 feet spacings end even closer In urban areas In it taper should be approximately equal io feet to the Ln 7 A C14 END ROAD WORK sign as appropriate may speed limit (See Table 1) 3 All advance warning signs shall be 48"x 46'minimum be used in Ileu of the C13 This sign Is options!If theto A on highways with approach speeds of 45 mph or more end of work zone is obvious or falls within a larger pro.. o When speeds are less than 45 mph the C23 sign shall lecl limit