TABLE 6H-4 FORMULAS FOR DETERMINING TAPER LENGTHS

1 TABLE 619-4 FLARE RATES FOR POSITIVE BARRIERTABLE NY6H-3 ADVANCE WARNING SIGN SPACINGTYPE OF POSITIVE BARRIERTEMPORARY CONCRETE BARRIERBOX BEAM OR HEAVY POST CORRUGATED BEAMPOSTED SPEED LIMIT30 MPH40 MPH50 MPH55 MPH65 MPH8:111:114:116:120:17:19:111:112:115:1 ROAD TYPEURBAN (l 30 MPH*)URBAN (35-40 MPH*)URBAN (w 45 MPH*)RURALEXPRESSWAY / FREEWAYDISTANCE BETWEEN SIGNSSIGN LEGENDA (FT.)B (FT.)C (FT.)XXYY100100100 AHEADAHEAD200200200 AHEADAHEAD350350350 AHEAD5005005001000150026401 MILE MILE1000 6C-3 TAPER LENGTH FOR TEMPORARYTRAFFIC CONTROL ZONESTYPE OF TAPERTAPER LENGTH (L)MERGING TAPERSHIFTING TAPERSHOULDER TAPERONE-LANE, TWO-WAY TRAFFIC TAPERDOWNSTREAM TAPER100 FT. PER LANEL100 FT. MAXIMUML/2L/3 WORK ZONE TRAFFIC CONTROL LEGENDSYMBOLDESCRIPTIONARROW PANELWORK VEHICLEARROW PANEL, CAUTION MODEARROW PANEL TRAILER OR SUPPORTCHANGEABLE MESSAGE SIGN (PVMS)CHANNELIZING DEVICECRASH CUSHION/TEMPORARY IMPACT ATTENUATORDIRECTION OF TEMPORARY TRAFFIC DETOURDIRECTION OF TRAFFICFLAGGERFLAG TREELUMINAIREPAVEMENT MARKINGS THAT SHALL BEREMOVED FOR A LONG TERM PROJECTSIGN, TEMPORARYTEMPORARY BARRIERTEMPORARY BARRIER WITH WARNING LIGHTSTRAFFIC OR PEDESTRIAN SIGNALTYPE III BARRICADEWARNING LIGHTSWORK SPACEWORK VEHICLE WITH TRUCK MOUNTED ATTENUATOR* PRECONSTRUCTION POSTED SPEED LIMITURBAN.

2 (MEETS MORE THAN 1 OF THE FOLLOWING CRITERIA)SIDEWALKS, BICYCLE USAGE, CURBING, CLOSED DRAINAGE SYSTEMS,DRIVEWAY DENSITIES GREATER THAN 24 DRIVEWAYS PER MILE, MINORCOMMERCIAL DRIVEWAY DENSITIES OF 10 DRIVEWAYS PER MILE ORGREATER, MAJOR COMMERCIAL DRIVEWAYS, NUMEROUS RIGHT OF WAYCONSTRAINTS, HIGH DENSITY OF CROSS STREETS, 85TH PERCENTILESPEEDS OF 45 MPH OR : ANY AREA NOT EXHIBITING MORE THAN ONE OF THE : DIVIDED HIGHWAYS FOR TRAFFIC WITH FULL OR PARTIALCONTROL OF ACCESS AND GENERALLY WITH GRADE SEPARATIONSAT MAJOR : LOCAL OR INTER REGIONAL HIGH-SPEED, DIVIDED,HIGH-VOLUME FACILITIES WITH FULL OR PARTIAL CONTROL OF DURATION DEFINITIONSLONG-TERM STATIONARY IS WORK THAT OCCUPIES A LOCATION MORETHAN 3 CONSECUTIVE STATIONARY IS WORK THAT OCCUPIES A LOCATIONMORE THAN ONE DAYLIGHT PERIOD UP TO 3 CONSECUTIVE DAYS, ORNIGHTTIME WORK LASTING MORE THAN 1 STATIONARY IS DAYTIME WORK THAT OCCUPIES A LOCATIONFOR MORE THAN 1 HOUR WITHIN A SINGLE DAYLIGHT DURATION IS WORK THAT OCCUPIES A LOCATION UP TO 1 IS WORK THAT MOVES INTERMITTENTLY OR 6C-2 LONGITUDINAL BUFFER SPACETABLE NY2-APLACEMENT DISTANCE FOR BARRIER VEHICLESTABLE NY2-BPLACEMENT DISTANCE FOR SHADOW VEHICLESPRECONSTRUCTIONPOSTEDSPEED LIMIT(MPH)PRECONSTRUCTIONPOSTEDSPEED LIMIT (MPH)DISTANCE253035404550556065155 DISTANCE (FT.)

3 BARRIER VEHICLES*(18000 LBS.)(24000 LBS.)MINIMUMMINIMUMMAXIMUMMAXIMUM> 55100 FT.< 4545 - 5585 LIMIT(MPH)> 5545 - 55< 45180 (18000 LBS.)SHADOW VEHICLES**PLACEMENT DISTANCE (FT.)(24000 LBS.)MAXIMUM280 FT.* AS DEFINED IN NYSDOT STANDARD SPECIFICATION 619:BARRIER VEHICLE - VEHICLE USED FOR STATIONARY SHOULDERCLOSURES, LANE CLOSURES, AND OTHER STATIONARY WORK DISTANCE SHOWN REFLECTS THE ACTUAL ROLL AHEADDISTANCE FROM MANUFACTURER.* AS DEFINED IN NYSDOT STANDARD SPECIFICATION 619:SHADOW VEHICLE - VEHICLE USED FOR MOBILE OR SHORT DURATIONWORK DISTANCE SHOWN REFLECTS THE ACTUAL ROLL AHEADDISTANCE FROM 6H-4 FORMULAS FOR DETERMINING TAPER LENGTHSSTANDARD TAPER LENGTHSSPEED LIMIT (S)(MPH) TAPER LENGTH (L)(FT.)(40 MPH) OR LESS(45 MPH) OR MOREL = WS /60L = WS2 LWS= TAPER LENGTH= WIDTH OF OFFSET (FT.)= PRECONSTRUCTION POSTED SPEED LIMIT (MPH)LATERAL SHIFTOF TRAFFICFLOW PATHTEMPORARY TRAFFIC CONTROL ZONE POSTED SPEED LIMIT(25 MPH)(30 MPH)(35 MPH)(40 MPH)(45 MPH)(50 MPH)(55 MPH)(60 MPH)(65 MPH)(70 MPH)445608511018020022024026028035032530 0275250225135755554203903603303002701609 0656490455420385350315190757560520480440 4003602158586305855404954504052409597006 5060055050045027010770715660605550495295 1184078072066060054032012105115125105120 135150165180105125145165185205225245 TABLE NY1-ABARRIER VEHICLE USE REQUIREMENTS(LONG TERM, INTERMEDIATE TERM, AND SHORT TERM STATIONARY CLOSURES)CLOSURE TYPELANE CLOSURESHOULDER CLOSUREEXPOSURE CONDITION1 WORKERS ON FOOT ORIN VEHICLES EXPOSEDTO TRAFFICNON-TRAVERSABLE HAZARD(IE.)

4 EQUIPMENT, MATERIALS,EXCAVATION) ONLYNO WORKERS EXPOSEDWORKERS ON FOOT ORIN VEHICLES EXPOSEDTO TRAFFICNON-TRAVERSABLE HAZARD(IE. EQUIPMENT, MATERIALS,EXCAVATION) ONLYNO WORKERS EXPOSEDUSE REQUIREMENTS4,5 FREEWAYNON-FREEWAY(PRECONSTRUCTION POSTED SPEED LIMIT)REQUIRED3 REQUIRED3 REQUIRED3 REQUIRED3w 45 MPH35-40 MPHl 30 MPHREQUIREDREQUIRED33 REQUIRED3 REQUIRED3 OPTIONAL2 OPTIONAL2 OPTIONAL2 OPTIONAL2 OPTIONAL2 OPTIONAL2 OPTIONAL2 OPTIONAL2 THE EXPOSURE CONDITIONS DESCRIBED IN TABLE NY1-A ASSUMES THERE IS NO POSITIVE PROTECTION (TEMPORARY TRAFFIC BARRIER) PRESENT. WHERE WORKERS OR HAZARDS ARE PROTECTED BY A TEMPORARYTRAFFIC BARRIER, BARRIER VEHICLES ARE NOT THE REQUIREMENT IS "OPTIONAL", EITHER A BARRIER VEHICLE OR THE STANDARD LONGITUDINALBUFFER SPACE ( TABLE 6C-2) SHALL BE SHALL INCLUDE PROVIDING A SEPARATE BARRIER VEHICLE FOR EACH CLOSED LANEAND EACH CLOSED PAVED SHOULDER 8 OR GREATER IN WIDTH. IF THE WORK SPACE MOVES WITHINTHE STATIONARY CLOSURE, THE BARRIER VEHICLE SHALL BE REPOSITIONED ACCORDINGLY.

5 BARRIERVEHICLES PROTECTING NON-TRANSVERSABLE HAZARDS SHALL REMAIN IN PLACE DURING BOTHWORKING AND NON-WORKING HOURS UNTIL THE HAZARD NO LONGER EXISTS. EXCEPTIONS TO THESEREQUIREMENTS MAY BE MADE, AS APPROVED BY THE REGIONAL DIRECTOR OR HIS/HER DESIGNEEWHERE BARRIER VEHICLE PLACEMENT WOULD BE INEFFECTIVE OR WOULD INTERFERE WITH THE SAFEOPERATION OF VEHICLES ARE NOT REQUIRED FOR MILLING AND/OR PAVING OPERATIONS, BUT THE STANDARDLONGITUDINAL BUFFER SPACE ( TABLE 6C-2) SHALL BE VEHICLES ARE NOT REQUIRED FOR FLAGGING OPERATIONS, BUT THE STANDARD LONGITUDINALBUFFER SPACE (TABLE6C-2) SHALL BE TYPELANE CLOSURESHOULDER CLOSUREEXPOSURE CONDITIONUSE REQUIREMENTSFREEWAYNON-FREEWAY(PRECONSTR UCTION POSTED SPEED LIMIT)REQUIREDREQUIREDw 45 MPH35-40 MPHl 30 MPHREQUIREDREQUIREDREQUIREDREQUIREDREQUI REDREQUIRED2,42,42,42,42,42,42,42,4 WHEN ANY WORKER,VEHICLE, OR OTHER HAZARDIS EXPOSED TO TRAFFICWHEN ANY WORKER,VEHICLE, OR OTHER HAZARDIS EXPOSED TO TRAFFICTABLE NY1-BSHADOW VEHICLE USE REQUIREMENTS(MOBILE CLOSURES)

6 A MOBILE CLOSURE SHALL BE USED FOR ANY WORK ACTIVITY THAT MOVES CONTINUOUSLY OR INTERMITTENTLYALONG THE TRAVELED WAY OR SHOULDER SLOWER THAN THE PREVAILING SPEED OF TRAFFIC. CHANNELIZINGDEVICES ARE NOT USED FOR MOBILE VEHICLES SHALL BE EQUIPPED WITH AN APPROVED REAR MOUNTED ATTENUATOR (TRUCK MOUNTEDOR TRAILER MOUNTED) FOR THE FOLLOWING MOBILE CLOSURES: LANE CLOSURES ON FREEWAYS, LANE CLOSURESON NON-FREEWAY ROADWAYS HAVING A PRE-CONSTRUCTION POSTED SPEED LIMIT OF 35 MPH OR MORE, SHOULDERCLOSURES ON FREEWAYS, AND SHOULDER CLOSURES ON NON-FREEWAY ROADWAYS HAVING A PRE-CONSTRUCTIONSPEED LIMIT OF 45 MPH OR MOBILE LANE CLOSURES ON NON-FREEWAY ROADWAYS HAVING A PRE-CONSTRUCTION POSTED SPEED LIMITOF 30 MPH OR LESS AND MOBILE SHOULDER CLOSURES ON NON-FREEWAY ROADWAYS HAVING A PRE-CONSTRUCTIONSPEED LIMIT OF 40 MPH OR LESS, SHADOW VEHICLES ARE NOT REQUIRED TO BE EQUIPPED WITH A REAR SHADOW VEHICLE IS USED TO PROTECT EXPOSED WORKERS (ON FOOT OR IN A VEHICLE) AND SHALL BE REQUIREDFOR ALL MOBILE CLOSURES.

7 SHADOW VEHICLE REQUIREMENTS SHALL INCLUDE PROVIDING A SEPARATE SHADOWVEHICLE FOR EACH CLOSED LANE AND EACH CLOSED PAVED SHOULDER 8 OR GREATER IN WIDTH. ADDITIONALSHADOW VEHICLES MAY BE REQUIRED TO PROMOTE THE SAFE OPERATION OF TRAFFIC AND THE INCREASEDPROTECTION OF EXPOSED WORKERS, AS DIRECTED BY THE REGIONAL DIRECTOR OR HIS/HER , OFFICE OFTRAFFIC SAFETY AND MOBILITY/S/ DAVID J. CLEMENTS, 15:03 FILE NAME = DATE/TIME = USER =jturleyIP_PWP:d0109553\ OF NEW YORKDEPARTMENT OF TRANSPORTATION ISSUED UNDER EB CUSTOMARY STANDARD SHEETAPPROVED SEPTEMBER 18, 2008 WORK ZONE TRAFFIC CONTROLLEGENDS AND NOTES619-11 EFFECTIVE DATE: 01/08/09