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BUFFER DATA CHANNELIZING DEVICE SPACING (FEET) MINIMUM TAPER LENGTH = L (FEET) SIGN SPACING = X (FEET) <br /> MPH TAPER TANGENT LANE Posted Speed (mph) Rural Roods 45/55 MPH 500'+- <br /> BUFFER SPACE = B 50/70 40 80 feet(- 25 30 35 40 45 50 55 60 65 70 Urban Arterials 35/40 MPH 350'+- <br /> SPEED (MPH) 25 30 35 40 45 50 55 35/45 30 60 Rural Roads <br /> LENGTH (feet) 55 85 120 no 220 280 335 25/30 20 40 10 105 150 205 270 450 500 550 - - - Urban Streets 25/30 MPH 200'+- <br /> Residential Areas & <br /> PROTECTIVE VEHICLE ROLL AHEAD DISTANCE .R 11 115 165 225 295 495 550 605 660 - - Business Districts <br /> VEHICLE TYPICAL VEHICLE POSTED STATIONARY NOTES All signs are 48"by48'- block on orange <br /> TYPE LOADED WEIGHT SPEED OPERATION 12 125 180 245 320 540 600 660 720 780 840 9 <br /> I. EXTEND TAPER TO CURB FACE. unless otherwise designated. <br /> (LBS/ lmphl (feet) 2. NO FLAGGERS OR SPOTTERS ON THIS SHEET. <br /> 3. MAINTAIN A MINIMUM OF ONE ACCESS POINT FOP EACH BUSINESS WITHIN WORK AREA LIMITS. <br /> 4 YARD 24,000 50 75 4. STEADY BURNING WARNING LIGHTS (TYPE C. MUTCO) SHALL BE USED TO MARK CHANNELIZATION <br /> DUMP TRUCK 45 50 DEVICES AT NIGHT. <br /> 5. IF CHANNELIZATION DEVICES CROSS SIDE STREET. SEE SHEET TC6 THROUGH TCB <br /> 2 TON 6. CHANNELIZATION DEVICES BETWEEN OPPOSING LANES <br /> CARGO TRUCK 15.000 50 00 OF TRAFFIC SHALL BE 10' ON CENTER MAXIMUM <br /> 45 75 T. SEE SHEET TC2 FOR BUSINESS ACCESS <br /> B. SIGN W21-701 TO BE USED ONLY WHEN NEEDED. MOTORCYCLES USE EXTREME CAUTION SIGNS WZ O-S M O D / <br /> I TON IO OOO 50 ISO (W21-1701) SHALL BE INSTALLED C APPROXIMATE I-MILE INTERVALS THROUGHOUT THE WORK /ROAD <br /> :ARCO TRUCK ZONE AND ON RAMPS WHEN THE FOLLOWING ROADWAY CONDITIONS EXIST, W20-1 <br /> WORK > <br /> 45 100 GROOVED PAVEMENT ` <br /> ROLL AHEAD STOPPING DISTANCE ASSUMES ORY PAVEMENT ABRUPT LANE EDGE L - /KTER LANE` AHEA�/ <br /> STEEL PLATES 24' CLOSED - % <br /> LOOSE GRAVEL OR EARTH U, KEEP 3B• `AHEAD; y <br /> SPECIFIC SIGNS FOR EACH OF THE CONDITIONS <br /> NOTED SHALLBEINSTALLED ALONG WITH THE 30• 3M N <br /> MOTORCYCLES USE EXTREME CAUTION SIGNS. ® 3P See Note 6 RIGHT 1;20 K _ X <br /> L) <br /> 4a R3-2 TAPER CL <br /> X q <br /> 4. <br /> • <br /> * « • <br /> IL * <br /> « « • <br /> a T] a i+n-nS-O-UOa-OOn-o6±-a9d-oito-o80-a __._4 n--"n a n �� <br /> v n a----a o v- -a ' - <br /> J'S�i o.._.a____a__n____a a a a a a__...a_..R ._ .._ <br /> A%%i�%%�IiL% .q a O a <br /> 0 q <br /> p_... ® O <br /> a q - 5Et n <br /> * f__ <br /> G G 4 D a 2 <br /> • <br /> I <br /> I <br /> v <br /> X X X [ 2L L L Min. L/2 B R— L/2 L/2 <br /> 3 /V _ x <br /> RDADV <br /> „,, ,Ix <br /> �vLEGEND <br /> WORK /RICHT LANE` � �AHEAD/ CLOSED / , !- �) ® SIGN LOCATION-PORTABLE MOUNT <br /> W20-1 W4-2L N SIGN LOCATION-TRIPOD MOUNT <br /> W20-5R W4-2L W1-4L W1-4R M <br /> Wg> SEOUENTIAL ARROW SIGN <br /> r DISPLAYS <br /> ® 0 13 TRAFFIC SAFETY DRUMS <br /> PCMS #1 PCMS #2 ^1 PROTECTIVE VEHICLE WITH TRUCK <br /> 1 2 1 2 a <br /> mop. MOUNTED ATTENUATOR <br /> PCMS PORTABLE CHANGEABLE MESSAGE SIGN <br /> RIGHT CENTER LIMITED LIMITED , <br /> LANE TURNING LANE LEFT DIRECTION OF TRAVEL <br /> CLOSED CLOSED TURNS <br /> 1.5 SEC 1.5 SEC 1.5 SEC 1.5 SEC <br /> • Field locate after last Intersection <br /> In advance of lane closure. TYPICAL THREE LANE CLOSURE <br /> FILE NAME S:\412351\XL2434\PS6E\L2434_PS_TC.On PL0T3 <br /> TIME 12(46(16 PM "'„°• "•'A FEO.AID PROJ.NO. SR 99 TC3 <br /> DATE 10/23/2006 10WASH HRD 1-0345 112TH STREET SW TO I-5 VICINITY <br /> PLOTTED BY be,5Tc <br /> DESIGNED BY K.LENG +o.” " SR 99,112th St.SE to I-5 Vicinity Paving PAVING 5::17ENTERED BY 06A039 MP 53.49 to MP 55.22 <br /> CHECKED BY V.NESS Cn,a"n"o. LOCATION"o. <br /> PROJ. ENGR. T.NAU - ,L Sheet 3 of 20 TRAFFIC CONTROL 5na <br /> REGIONAL AOM. L ENG REVISION DATE BY ".L.,,.r all , <br />