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HomeMy WebLinkAboutR-4214514MINIMUM 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, 40 60 90 90 150 170 190 200 220 240 USE A MINIMUM 3 DEVICES TAPER FOR SHOULDER LESS THEN 81. LEGEND A TEMPORARY SIGN L ® TRAFFIC SAFETY DRUM �J SEQUENTIAL ARROW SIGN f TRANSPORTABLE ATTENUATOR PCMS PORTABLE CHANGEABLE MESSAGE SIGN No 60% SUBMITTAL R-,WK N W20-5R 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 RESIDENTIAL & 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. CHANNELIZATI N D VICE SPACING feet MPH TAPER TANGENT s0/70 40 80 35/45 30 60 25/30 20 1 40 BUFFER DATA LONGITUDINAL BUFFER SPACE = B SPEED (MPH) 25 1 30 1 35 1 40 1 45 1 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 I > 22,000 lbs. <45 MPH 45-55 MPH > 55 MPH <45 MPH 45-55 MPH > 55 MPH 100, 123' 172' 74' 100, 150' PCMS 1 2 RIGHT 1 MILE LANE AHEAD CLOSURE 2.0 SEC 2.0 SEC FIELD LOCATE 1 MILE ± IN ADVANCE OF LANE CLOSURE SIGNING. 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 LANE. 4. USE TRANSVERSE DEVICES IN CLOSED LANE EVERY 1000' (FT) (RECOMMENDED). 5. DEVICE SPACING FOR THE DOWNSTREAM TAPER SHALL BE 20' (FT). SINGLE -LANE CLOSURE FOR MULTI -LANE ROADWAYS 6. ALL SIGNS ARE BLACK ON ORANGE. NOT TO SCALE DEscNED. MPRMD: METRO TRANSIT CAPITAL DIVISION Jacobs DRAMA. P. `,!�, ENG RAPIDRIDE I LINE TO% C. WILCOX ^_ Kin Count w CHECKED: RRWECTND: _i METRO TRAFFIC SEGMENT r S. FORMPN EN566E18 AFFIC CONTROL PLAN 'TlpHpy$� CHECKED: CONTFACTNJ'. BY APPD DATE METRO PROJECT ENGINEER CXXXXXXXX NOVEMBER 2021 1 TC 1.02 1 514 X We T-4214188 R-4214514