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TC-15CHANNELIZATION DEVICE SPACING feet MPH TAPER TANGENT 50170 40 80 35145 30 60 25/30 20 40 MINIMUM TAPER LENGTH = L (feet) LANE Posted Speed (mph) WIDTH (feet) 25 30 35 40 45 50 55 60 65 70 10 11 105 115 150 165 205 225 270 295 450 495 500 550 550 605 660 - - 12 125 180 245 320 540 600 660 720 - - Irv=uv uu_uaruuvuuuaruv — — — — — — — — — — BUFFER DATA LONGITUDINAL BUFFER SPACE = B SPEED (MPH) 25 30 35 40 45 50 55 60 65 70 LENGTH (feet) 155 200 250 305 360 425 495 570 645 730 TRANSPORTABLE ATTENUATOR ROLL AHEAD DISTANCE = R HOST VEHICLE WEIGHT 9,900 TO 22,000 lbs. HOST VEHICLE WEIGHT > 22,000 lbs. < 45 MPH 45-55 MPH > 55 MPH < 45 MPH 45-55 MPH > 55 MPH 100, 123' 172' 74' 100, 150' PROTECTIVE VEHICLE (WORK VEHICLE) = R NO SPECIFIED DISTANCE REQUIRED INTERSECTION LANE CLOSURE -FIVE LANE ROADWAY NOT TO SCALE SIGN SPACING = X (1) RURAL HIGHWAYS 60165 MPH 800'1 RURAL ROADS 45/55 MPH 500'1 RURAL ROADS & URBAN ARTERIALS 35/40 MPH 350'± RURAL ROADS & URBAN ARTERIALS 25 / 30 MPH RESIDENTAL & BUSINESS DISTRICTS 200'± (2) URBAN STREETS 25 MPH OR LESS 100'± (2) (1) ALL SPACING MAY BE ADJUSTED TO ACCOMMODATE INTERCHANGE RAMPS, AT -GRADE INTERSECTIONS AND DRIVEWAYS. (2) THIS SPACING MAY BE REDUCED IN URBAN AREAS TO FIT ROADWAY CONDITIONS. 1O OPTIONAL IF 40 MPH OR LESS NOTES 1. RECOMMEND EXTENDING DEVICE TAPER (U3) ACROSS SHOULDER. 2. IF A SIGNAL IS PRESENT, IT SHALL BE SET TO "RED FLASH MODE" OR TURNED OFF DURING FLAGGING OPERATIONS. 3. MAINTAIN A MINIMUM OF ONE ACCESS POINT FOR EACH BUSINESS WITHIN WORK AREA LIMITS. 4. ALL SIGNS ARE BLACK ON ORANGE. TIME 7:31:30 AM s lE FED.AID PROJ.NO. Amokxnx xsr xo DATE 11912018 Y�/� PLOTTED BY Ilddelf x WAS �I/ TC15 DESIGNED BY +ox xuxsEx ENTERED BY Washington State sxEE. CHECKED BY cox.xnm x Lo Tio x Department of Transportation o. PROJ. ENGR. s DATE TRAFFIC CONTROL PLAN xx� REGIONAL ADM. REVISION DATE BY