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C20(Lt.) C20 (Lt.) Cie(See note 3 thru 5) <br /> 11r <br /> Uln OF <br /> CLOD- Q16D yrty <br /> C13 (See note 7) x[11 r[n n <br /> r.o <br /> .per l(see r•Dk t) T.p., L <br /> T (see lYd•rj ----- I ----- �� <br /> ♦- --T Iso'min. Aavnca W.ming Sign.500'to 750 0"M(S••nOft 2)— -- <br /> In <br /> I • — n <br /> _ — -- toil `- <br /> --- — —� • • • �� <br /> /dv.nc•Wminp spm S00'b 750'.p.n.(Sr rob 2) <br /> .f i 5 (. a w <br /> cas(ronw 0 <br /> KNIT DE10� <br /> SHIRE C13(See note 7) r — <br /> AHEAD Wl (Lt.)or W2 (Lt.) W1 (Rt)or W2(Rt.) N r <br /> C1 <br /> C18 C21 or C20 XX XX <br /> a1N w" <br /> (See note 3 thru 5) No Scale <br /> W6(See note 8) W6(See note 6) TABLE 1 ic O <br /> APPROACH TAPER NUMBER SPACING OF CONES 0 Cn 'T1 Z1 <br /> NOTES: SPEED LENGTH OF CONES ALONG TAPER Z •T) <br /> Legend Taper formula: (MPH) (L) * FOR TAPER* (Feet) t C 0 <br /> Sign <br /> L = S x W for speeds of 45 or more. 25 125 6 25 O n <br /> F 0 <br /> L = WS 2 for speeds of 40 or less. 180 7 30 E; M (11 <br /> Cone or Portable 60 30 r Z <br /> Delinerator Where: 35 245 35 = M <br /> Q M <br /> -.0. Direction of Traffic L = Minimum length of taper. 8 Z 40 Q <br /> S = Numerical value of posted 40 320 g f11 r r, <br /> O Flashing Arrow Sign speed limit prior to work or 45 54013 45 n 11 <br /> (Optional) 85 percentile speed. t3 50 Z <br /> W = Width of offset. 50 600 <br /> + Flashing Yellow Beacon 50+ 1000 21 So m D <br /> (Optional) Z v <br /> (*)Based on 12-foot wide lane.This column is also appropriate for lane widths e <br /> SPECIAL NOTE: less than t2 feet. <br /> Field conditions could require deviations from these plans and accompanying notes. D <br /> r <br /> NOTES: <br /> N This plan does not apply where them are emergency be 30"x 30" minimum; other advance waming signs 8. Waming(W)series signs used in work zones shall be <br /> 1. conditions. Under emergency conditions, equipment shell be 36' x 36" minimum. (See Note 5) black <br /> place oranwithge.Existthese areas Ing lmey remain Inlow waming guse.ns lready = <br /> and personnel which are available should be utilized to 4 All warning signs for night closures shell be either <br /> Implement a closure even though such closure does not Illuminated or rcllectorized. 9. Pavement markings for closures shall conform to sec- D <br /> meet the standards contained In this plan. As equip- tion 5-05 of this manual. .< <br /> a <br /> ment or personnel become available n Immediate ef- 5. A C23"ROAD WORK AHEAD"sign miry be used In lieu (n <br /> fort should then be made to implement the standards of the Cie. (See Note 3) 10. All cones shall be Internally Illuminated or fitted with v <br /> reflective white sleeves(See Section 5-03.3). <br /> shown on this plan. <br /> 6. Determine advisory speed at site;should not be posted <br /> 2. Where approach speeds are low,signs miry be placed If In excess of speed limit. 1/. The maximum spacing between ly equaliInfezing devices <br /> In a taper should be approximately equal In feet to the <br /> at 300 feel spacings, and even closer In urban areas. m <br /> iit. (See Table 1) <br /> speed lr <br /> 7. A C14"END ROAD WORK"sign,as appropriate,may � A <br /> 3. All advance warning signs shall be 48"x 48'minimum be used In lieu of the C13.This sign Is optional If the to <br /> on highways with approach speeds of 45 mph or more. end of work zone is obvious,or falls within a larger pro- <br /> When speeds are less then 45 mph the C23 sign shall sect limit. <br />