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HomeMy WebLinkAboutT-4214189MINIMUM LANE CLOSURE 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 - - 12 125 180 245 320 540 600 660 720 780 840 MINIMUM SHOULDER TAPER LENGTH = L/3 (feet) SHOULDER Posted Speed (mph) WIDTH (feet) 25 30 35 40 45 50 55 60 65 70 8' 40 40 60 90 120 130 150 160 170 190 10, as 60 90 90 150 170 190 200 220 zao USE A MINIMUM 3 DEVICES TAPER FOR SHOULDER LESS THEN 81. 1 C^KT&I , 0 TRAFFIC SAFETY DRUM SIGN SPACING = X (1) FREEWAYS & EXPRESSWAYS 55 / 70 MPH 1500' 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. W4-2(L) - - - - - - - - - - -U3 - - - ® ® ® - ® t 48" ROAD WORK HEAD 48" 48" W20-1 RIGHT W4-2(L) TWO LANES CLOSED IN TEMPORARY SIGN LOCATION SEQUENTIAL ARROW SIGN W20-501 o TRANSPORTABLE ATTENUATOR PCMS PORTABLE CHANGEABLE MESSAGE SIGN ® TEMPORARY SIGN LOCATION (5' FT MOUNTING HEIGHT) 60% SUBMITTAL Jacobs REVISION BY I APPD I DATE PCMS 1 2 2 LANES CLOSED AHEAD WATCH FOR SLOW TRAFFIC 2.0 SEC 2.0 SEC 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' FIELD LOCATE 1 MILE ± IN ADVANCE OF LANE CLOSURE SIGNING. 1000' or X I SEE NOTE 4 CHANNELIZATION DEVICE SPACING feet MPH TAPER TANGENT 50170 40 80 35/45 30 60 25/30 20 40 N ®® , T ® ® _ _ _ _ _ _ ® _ _ _ _ _ — WORK AREA NOTES 1. SEE SPECIAL PROVISIONS FOR WORK HOUR RESTRICTIONS. 2. EXTEND DEVICE TAPER AT L/3 ACROSS SHOULDER. 3. DEVICES SHALL NOT ENCROACH INTO THE ADJACENT LANES. 4. USE TRANSVERSE DEVICES IN CLOSED LANE EVERY 1000' (FT) (RECOMMENDED). 5. DEVICE SPACING FOR THE DOWNSTREAM TAPER SHALL BE 20' (FT). 6. ALL SIGNS ARE BLACK ON ORANGE. DOUBLE -LANE CLOSURE FOR MULTI -LANE ROADWAYS NOT TO SCALE A. VILLAR P. ENG -µp ro , DRAWN: C. WILCOX L9 King County CHECKED PaaE6ENO: Np1 O.�a prgtyg4�0 S. FOR CHECKED N E00588E18 METRO 'TIpHAy$� CHECKED: LIXIiMCi NJ'. METRO PROJECT ENGINEER CXXXXXXXX METRO TRANSIT CAPITAL DIVISION RAPIDRIDE I LINE RENTON SEGMENT TRAFFIC CONTROL PLAN NOVEMBER 2021 1 TC 1.03 1 515 XXXX 1 T-4214189 R-4214515