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• <br /> SIGN SPACING = X (1) MINIMUM SHOULDER TAPER LENGTH = L13 (feet) CHANNELIZATION DEVICE BUFFER DATASPACING (feet) <br /> FREEWAYS&EXPRESSWAYS 55/70 MPH 1500'a <br /> RURAL HIGHWAYS 60/65 MPH BOO'S SHOULDER Posted Speed (mph) MPH TAPER TANGENT LONGITUDINAL BUFFER SPACE = B <br /> WIDTH 50/70 40 80 <br /> RURAL ROADS 45/55 MPH 500'S (feet) 25 30 35 40 45 50 55 60 65 70 35/45 30 60 SPEED(MPH) 25 30 35 40 45 50 55 60 65 70 <br /> (1)ALL SPACING MAY BE ADJUSTED TO ACCOMMODATE INTERCHANGE 8, _ - - - 120 130 150 160 170 190 LENGTH(feet) 155 200 250 305 360 425 495 570 645 730 <br /> RAMPS,AT-GRADE INTERSECTIONS AND DRIVEWAYS. <br /> 10' - - - - 150 170 190 200 220 240 <br /> TRANSPORTABLE ATTENUATOR ROLL AHEAD DISTANCE =R <br /> USE A MINIMUM 3 DEVICES TAPER FOR SHOULDER LESS THEN 8'. HOST VEHICLE WEIGHT HOST VEHICLE WEIGHT <br /> • 9,900 TO 22,000 lbs. >22,000 lbs. <br /> <45 MPH 45-55 MPH >55 MPH <45 MPH 45-55 MPH >55 MPH <br /> 100' 123' 172' 74' 100' 150' <br /> L 77 <br /> z <br /> b b b 0 ® ® ® <br /> el 0 <br /> ® >II�IJI j WORK AREA®®®� <br /> I II /��////// <br /> X X X L/3 B L R H I 100' <br /> 48" 48" <br /> ROAD <br /> WORK SHOULDER <br /> AHEAD CLOSED <br /> 48" 48" 48" <br /> W20-1 SHOULDER W20-301 <br /> WORK <br /> 48" <br /> W21-5 NOTES: <br /> LEGEND <br /> 1. NO ENCROACHMENT IN TRAVELED LANE.IF ENCROACHMENT IS <br /> 10 TEMPORARY SIGN LOCATION NECESSARY,LANE SHALL BE CLOSED. <br /> ® TRAFFIC SAFETY DRUM <br /> SHOULDER CLOSURE - HIGH SPEED 2. DEVICE SPACING FOR THE DOWNSTREAM TAPER SHALL BE <br /> �rI� 20'(FT)O.C. <br /> Amp; TRANSPORTABLE ATTENUATOR <br /> NOT TO SCALE 3. ALL SIGNS ARE BLACK ON ORANGE. <br /> FILE NAME SSDesion R P8 SI4-Standerds12-Plan Sheet Lib2ry102-PSL Work in ProgresslFeentTC1-TC-17 Buffer Data table replecement/TC-6,dgn Plot 1 <br /> TINE 2:51:47 PM ,� n"re FED.AID PROJ.NO. Allik ^ <br /> YY '""Er XO <br /> DATE 10114I2016 �/ <br /> PLOTTED BY Iiddelf WASH <br /> WAIF TC6 <br /> DESIGNED BY '1OB NUMBERsneer <br /> ENTERED BY • <br /> Washington State <br /> CHECKED BY came.m»a. L«Eeo.NO. Department of Transportation or <br /> PROJ.ENGR. "re <br /> 'MEETS <br /> REGIONAL ADM. REVISION DATE BY ..CTAC 000 assore aruw eon TRAFFIC CONTROL PLAN <br />