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HomeMy WebLinkAboutR-4214519CHANNELIZATION DEVICE SPACING feet MPH TAPER TANGENT 50170 40 80 35/45 30 60 25/30 20 40 48" ' ROAD ' WORK ' HEAD ' NE LANE W20-1 �' ROAD AHEAD 48X W20-4 BE OPREPARED , TO STOP 48" 48"" x ' i W20-7B 48" x / W20-7A ✓� - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - II I X X X L L/2 X X 48' 48" 48" ROAD NN WNN ORK I �� HEAD 48" 48" 48" W20-1 W4-2(L) W20-7A 48" nnPREPARE RIGHT LANE OCLOSED AUCA„ W20-5R W20-7B FLAGGING STATION p TEMPORARY SIGN LOCATION ® CHANNELIZING DEVICES DCD SEQUENTIAL ARROW SIGN PROTECTIVE VEHICLE - RECOMMENDED 0 TEMPORARY SIGN LOCATION (5' MOUNTING HEIGHT) 60% SUBMITTAL MINIMUM TAPER LENGTH = L (feet) LANE Posted Speed (mph) WIDTH (feet) 25 30 35 40 45 50 55 60 65 70 10 105 150 205 270 450 500 550 - - - 11 115 165 225 295 495 550 605 660 - - 12 125 180 245 320 910 600 660 720 - - 48" BE PREPARED O TO STOP 48" 48" W20-7B 48" W20-7A I 48" CENTER LANENN CLOSED AHEAD 48" 48" 48" W2 -5C ROAD WORK i HEAD 48" 48" Wd_911 \ W20-1 L I X X PA -- - - - - - - - - - - - - - - - — 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 99900 TO 229000 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 DESIGNED. W ROVED: .Jacobs CC. WIA. LCOX PENG pt q'WSBa,O DRAWN: T� % WILCOO X 4 CHECKED: PRQIECT NO: Np *w) CHECKED N E00588E18 CHECKED: LIXIiFACi NJ'. no. REVISION BY AFRO DATE METRO PROJECT ENGINEER CX%%%%%XX SIGN SPACING = X (1) RURAL HIGHWAYS 60 / 65 MPH 800' RURAL ROADS 45 / 55 MPH 500' 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. 10 OPTIONAL IF 40 MPH OR LESS NOTES 1. RECOMMEND EXTENDING DEVICE TAPER (L/3) 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. L9 King County METRO METRO TRANSIT CAPITAL DIVISION RAPIDRIDE I LINE RENTON SEGMENT TRAFFIC CONTROL PLAN NOVEMBER 2021 1 TC 1.07 SHEETNOOF 519 XXXX T-4214193 R-4214519