Laserfiche WebLink
N <br /> n <br /> a <br /> O BUFFER DATA MINIMUM TAPER LENGTH=L(feet) a <br /> LANE Posted Speed(mph) SIGN SPACING=X(FEET) (1 ) C4 <br /> OD LONGITUDINAL BUFFER SPACE=B WIDTH 2s 30 35 40 45 50 55 60 65 70(feet) FREEWAYS&EXPRESSWAYS 55170 MPH 1500'+- <br /> �T, SPEED(MPH) 25 30 35 40 45 50 55 60 65 70 <br /> 10 105 150 1 205 270 1 450 500 1 550 - I - I - RURAL HIGHWAYS 60/65 MPH 800'± <br /> 3 LENGTH(feet) 155 200 250 305 360 425 495 570 645 730 11 115 165 225 295 495 550 605 660 - - RURAL ROADS 45/55 MPH 500'± tV <br /> 1D TMA ROLL AHEAD DISTANCE=R 12 125 180 245 320 540 600 660 720 780 840 RURAL ROADS&URBAN ARTERIALS 35/40 MPH 3501± <br /> Z RURAL ROADS,URBAN ARTERIALS <br /> a HOST VEHICLE WEIGHT HOST VEHICLE WEIGHT 25/30 MPH 200'±(2) <br /> RESIDENTIAL&BUSINESS DISTRICTS <br /> —�-n 9,900 TO 22,000 lbs. >22,000 lbs. <br /> MINIMUM SHOULDER TAPER LENGTH=L/3 feet URBAN STREETS 25 MPH OR LESS 100'±(2) <br /> <45 MPH 45-55 MPH >55 MPH <45 MPH 45-55 MPH >55 MPH (feet) � <br /> t7 SHOULDER Posted Speed(mph) ALL SIGNS ARE 48"X 48"BLACK ON ORANGE UNLESS OTHERWISE <br /> O 100' 123' 172' 7N 100, 150, WIDTH DESIGNATED. (n <br /> O (qO 25 1 30 1 35 1 40 1 45 1 50 1 55 1 60 1 65 1 70 <br /> z PROTECTIVE VEHICLE(WORK VEHICLE)=R 6' 40 40 60 90 120 130 150 160 170 190 Z) <br /> O (1)All spacing may be adjusted to accommodate interchange ramps, (Q <br /> NO SPECIFIED DISTANCE REQUIRED 10' 40 60 90 90 150 170 190 200 220 240 at-grade intersections,and driveways. rn <br /> 0 USE A MINIMUM 3 DEVICES TAPER FOR SHOULDER LESS THEN B. <br /> a As per TCP provided, City of Everett (2)This spacing may be reduced in urban areas to fit roadway r <br /> conditions. <br /> 3• design standard 704 and MUTCD Approved as noted 73 <br /> I CD <br /> standards as applicable. GMagalla 01/06/2022 1:14:15 PM <br /> I:1 (SAMPLE MESSAGE) O <br /> / Z PCMS N <br /> a , <br /> 3 EVERGREEN WAY 1 2 CD <br /> / ® ® --M = = N ®—m—® RIGHT 1 <br /> ® ®® ® ���p �¢�H� ® LANE MILE O <br /> ®® WORKAREA ® ® CLOSED AHEAD <br /> ®®D b b b ® ® ®® 2A SEC 2.0 SEC <br /> O FIELD LOCATE 1 MILE±IN <br /> d <br /> Ug SEE ADVANCE OF LANE CLOSURE TAPER. i <br /> NOTE r <br /> a � <br /> ' X X X L B R 100'± <br /> O � <br /> 7 (� <br /> H <br /> ROAD CHANNELIZING DEVICE SPACING(FEET) p 0 <br /> HEAD *Spotter to assist pedestrians through work zone MPH TAPER TANGENT <Q <br /> 50/70 40 80 C <br /> 30 60 <br /> 25/30 1 20 40 <br /> O W20-1 W4-2(L) NOTES (n <br /> tT <br /> 1. A TMA is required for roadway 45 mph or higher. For roads 40 mph or less- <br /> BIGHT LANE If a TMA is not available,the protective vehicle shall be strategically located in <br /> CLOSED the field to shield workers and no roll ahead distance is specified. <br /> AHEAD 2. Extend device taper across shoulder. <br /> LEGEND W20-511 3. Devices should not encroach into adjacent lanes,see sheet TCP 16 for <br /> encroachment detail.The 2'lateral buffer is recommended. <br /> CI SIGN LOCATION 4. Use transverse devices in closed lane every 1000'-when work operation <br /> ARROW BOARD allows. <br /> ® ® ® TRAFFIC SAFTEY DRUMS/TALL CHANNELIZATION DEVICES 5. Traffic safety drums or tall channelization devices required for all lane <br /> closure tapers on roadway 45 mph or higher.(Half spacing required for tall <br /> 12 ® ® CHANNELIZING DEVICES channelization devices). <br /> TMA 6. When used,device spacing for the downstream taper should be 20'O.C. <br /> PCMS PORTABLE CHANGEABLE MESSAGE SIGN(RECOMMENDED) 7. Coordinate with Region Traffic office for work hour restrictions. <br /> S <br /> TYPICAL SINGLE-LANE CLOSURE FOR MULTI-LANE ROADWAYS <br /> (� TCP 3 <br /> In ry <br />