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a <br /> BUFFER DATA CHANNELIZING DEVICE SPACING (FEEDMINIMUM TAPER LENGTH = L (FEET) ' SIGN SPACING = X (FEET) <br /> MPH TAPER TANGENT LANEPosted Speed (mph) Rural Roads 45/55 MPH 500'+- <br /> BUFFER SPACE = B50/70 40 80 WIDTH 25 30 35 40 45 50 55 60 65 70 Urban Arterials 35/40 MPH 350'+- <br /> (feet/ <br /> SPEED IMPHI 25 30 35 40 45 50 55 35/45 30 60 Rural Roads <br /> LENGTH(feet] 55 85 ea 170 220 280 335 25/30 20 40 10 105 150 205 270 450 500 550 - - - Urban Streets 25/30 MPH 200'+- <br /> Residential Areas & <br /> PROTECTIVE VEHICLE ROLL AHEAD DISTANCE .R 11 115 165 225 295 495 550 605 660 - - Business Districts <br /> VEHICLE TYPICAL VEHICLE POSTED STATIONARY AN signs are' 48'by 48'- black on orange <br /> TYPE LOADED WEIGHT SPEED OPERATION 12 125 180 245 320 540 600 660 720 780 840 g <br /> unless otherwise designated. <br /> (LBS( Imphl (feet) NOTES <br /> 4 YARD -- _ I. NO FLAGGERS OR SPOTTERS ON THIS SHEET. <br /> 24.000 2. STEADY BURNING WARNING LIGHTS (TYPE C. MUTCDI SHALL BE USED TO MARK CHANNELIZATION <br /> DUMP TRUCK 45 50 DEVICES AT NIGHT <br /> 3. SIGN W21-701 TO BE USED.ONLY WHEN NEEDED. MOTORCYCLES USE EXTREME CAUTION SIGNS <br /> 2 TON - IW21-17011 SHALL BE INSTALLED S APPROXIMATE 1-MILE INTERVALS THROUGHOUT THE WORK <br /> CARGO TRUCK 15.000 50 100 ' ZONE AND ON RAMPS WHEN THE FOLLOWLNG ROADWAY CONDITIONS EXIST, W.20-5L W20-1 <br /> 45 15 GROOVED PAVEMENT W4-2R <br /> ABRUPT LANE EDGE <br /> I TON STEEL PLATES - ROAD <br /> CARGO TRUCK 10.000 450 150 5 100 LOOSE GRAVEL OR EARTH \ LEFT LANE WORK SPECIFIC SIGNS FOR EACH OF THE CONDITIONS > <br /> ROLL AHEAD STOPPWIC DISTANCE ASSUMES DRY PAVEMENT NOTED SHALL BE INSTALLED ALONG WITH THE CLOSED AHEAD <br /> MOTORCYCLES USE EXTREME CAUTION SIGNS. AHEAD <br /> \ \ <br /> -I -- -*- 8 L X X X - * L . . <br /> 20:1 U <br /> TAPER a. <br /> • N N N <br /> « • <br /> 1. • <br /> ._ <br /> « a a a a a o v// �• ' _kis o b a « ' <br /> • <br /> S.v� d 4 ` ti s c Y{$ u 0 <br /> S a I •f • • a <br /> 1k • <br /> ♦ * + <br /> •a a la _ 20:r_ • <br /> X x X TAPEN_ L B R <br /> U <br /> • <br /> ROAD LEGEND <br /> WORK ® SIGN LOCATION-PORTABLE MOUNT <br /> AHEAD <br /> DISPLAYS LEFT LANE N SIGN LOCATION-TRIPOD MOUNT <br /> \ CLOSED W4-2R • 1�1�(� <br /> W20-1 ,AHEAD yyli SEOUEN7I AL ARROW SIGN <br /> PCMS \ 1420-5L <br /> O a D TRAFFIC SAFETY DRUMS <br /> 1 2 <br /> LEFT ^• PROTECTIVE VEHICLE WITH TRUCK <br /> LIMITED NE"1_ MOUNTED ATTENUATOR <br /> CLLANE OSED TURNING PCMS PORTABLE CHANGEABLE MESSAGE SIGN yy <br /> �. <br /> 41 DIRECTION OF TRAVEL .444 <br /> 1.5 SEC 1•.5 SEC <br /> • Field locate 1 mile +- TWO-WAY-LEFT-TURN AND <br /> In advance of lane closure. LEFT LANES CLOSURE <br /> FILE NAME Sc\912751\XL2934\PSAE\L2434_PS_TC.tlgn <br /> PLOT5 <br /> 00;11 10/23/2006PM -- - - -- . - •. o. .wK FED.AID PROJ:NO. SR 99 TC5 <br /> PLOTTED BY berg= 10 WASH IiRD 1-0345 112TH STREET SW TO I-5 VICINITY <br /> DESIGNED'BY • K.LING JO.1.114.11 SR 99,112th St.SE to I-5 Vicinity Paving PAVING <br /> ENTERED BY 06Ao39 MP 53.49 to MP 55.22 36* <br /> CHECKED BY V.NESS NO. OP <br /> PROJ. ENGR. T.NAU - CORM.NO. LOCATIONSheet 5 of 20TRAFFIC CONTROL a. <br /> REGIONAL ADM. LENG REVISION DATE BY P.,51.+00.o.,c I <br />