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State of GeorgiaDepartment of TransportationInRoads Field SurveyFeature Codes**InRoads Select Series 2**GuidelinesInRoads Field SurveyFeature Codes1/1/2020Revision 1.2Atlanta, Georgia 30308
This document was developed as part of the continuing effort to provide guidance within theGeorgia Department of Transportation in fulfilling its mission to provide a safe, efficient, andsustainable transportation system through dedicated teamwork and responsible leadershipsupporting economic development, environmental sensitivity and improved quality of life.This document is not intended to establish policy within the Department, but to provideguidance in adhering to the policies of the Department.Your comments, suggestions, and ideas for improvements are welcomed.Please send comments to:State Design Policy EngineerGeorgia Department of TransportationOne Georgia Center600 W. Peachtree Street, 26th FloorAtlanta, Georgia 30308DISCLAIMERThe Georgia Department of Transportation maintains this printable document and is solelyresponsible for ensuring that it is equivalent to the approved Department guidelines.
Revision oved table from all other manuals and guidelines. The following featurestyles now Triangulate: TOPO E TBLD, TOPO E THCR and TOPO E TMHCR.Added CABLE BARRIER feature style.Added all feature styles that are accepted for use in mapping andsurvey, including new R/W and Utility feature styles. Removed SMIand Group codes. Reorganized table to make it more clear. The newutility feature styles coincide with the Utility Legend and all cells usedfor utility features now point to the GDOT-UT-Utility cell library.Added several new utility and subsurface utility feature styles:UTLE E UUPGAE, UTLE E UUPGAT, UTLE E UUPGATC,UTLE E UUPGATV, UTLE E UUTVPOL, UTLE E UUTVCAB,UTLE E UUNGVM, UTLE E UUPLM ,UTLE E UUPVM,UTLE E UUSFMLM, UTLE E UUSFMVM, UTLE E UUTCHH,UTLE E UUMHTC, UTLE E UUWLM, UTLE E SUEB,UTLE E SUED, UTLE E SUFMB, UTLE E SUFMD,UTLE E SUGB, UTLE E SUGD, UTLE E SUNPWB,UTLE E SUNPWD, UTLE E SUPB, UTLE E SUPD,UTLE E SUSSB, UTLE E SUSSD, UTLE E SUSTMB,UTLE E SUSTMD, UTLE E SUTB, UTLE E SUTD,UTLE E SUTCB, UTLE E SUTCD, UTLE E SUTH,UTLE E SUTVB, UTLE E SUTVD, UTLE E SUUB,UTLE E SUUD, UTLE E SUWB, UTLE E SUWDAdded summary list of Feature Styles that require dimensionalattributes on last page.Added feature style TOPO E TGC
InRoads Field Survey Feature CodesGDOT Standard InRoads Field Survey Feature CodesThe following table is for informational use only so that the Designer and SDE will have a reference for the Field Survey Feature Codes if needed. This tablelists associated InRoads Alpha Codes and Feature Styles for use in Field Survey. The Point or Chain Type and Triangulate (Yes/No) columns denotewhether a feature is a Point or Chain Type and whether it is triangulated or not triangulated in the DTM Surface. These parameters should never bechanged, with the one exception of the Exterior Boundary when the Feature Type needs to be changed from Breakline to Exterior (feature styleTOPO E TLIML). GDOT provides numerous Surveyor-Defined options for features not listed or when different parameters are required. Features thathave “(DIM.)” included in the description require dimensional attributes to be entered (see last page for summary list).DescriptionInRoads AlphaCodeInRoads Feature StylePoint orChain SPOELESMTPARPCFPPOLPPCPROP E RWMPROP E RWRRPROP E RWCPROP E RWUPROP E RWEPROP E LTD-ACCESSPROP E RWE-LTD-ACCESSPROP E POELPROP E ESMTPROP E PARPROP E PCFPROP E PPOLPROP E BGMDPROP E BCOLPROP E BCTLPROP E BLDLPROP E BLLLPROP E BSLPROP E BGMDChainChainChainChainChainChainNNNNNNProperty and Right-of-WayRIGHT-OF-WAY MARKER FOUNDRAILROAD RIGHT-OF-WAY MARKER FOUNDRIGHT-OF-WAY POINT COMPUTEDRIGHT-OF-WAY UTILITY COMPANYRIGHT-OF-WAY, EXISTING/PRESCRIPTIONLIMITED ACCESS RIGHT-OF-WAY LINERIGHT-OF-WAY, BOTH EXISTING AND LIMITED ACCESSPOINT ON EASEMENT LINEEASEMENT LINE, EXISTINGPARCEL/PROPERTY LINEPROPERTY CORNER FOUNDPROPERTY POINT ON LINEPROPERTY POINT COMPUTEDBoundariesCOUNTY LINECITY LIMIT LINELAND DISTRICT LINELAND LOT LINESTATE LINEGEORGIA MILITIA DISTRICT LINEPage 412/13/19
InRoads Field Survey Feature CodesDescriptionInRoads Alpha CodeInRoads Feature StylePoint orChain TypeTriangulate(Y/N)AlignmentPOINT ON TANGENT, EXISTINGPOINT OF CURVATURE, EXISTINGPOINT ON CURVE, EXISTINGPOINT OF TANGENCY, EXISTINGPOINT OF INTERSECTIONALIGNMENT CENTERLINE PC/PTALIGNMENT CENTERLINEAPOTAPCAPOCAPTAPIACLPCPTACLPROP E APOTPROP E APCPROP E APOCPROP E APTPROP E APIPROP E ACL-PC-PTPROP E TTCGFTVGTKMPTMPHTOPO E TEDRTOPO E TEDDTOPO E TEADTOPO E TECDTOPO E TEAPTOPO E TEASTOPO E TECPTOPO E TETLTOPO E TELTOPO E TESTTOPO E TCORTOPO E TSWTOPO E TACTOPO E THCTOPO E TCGTTOPO E TCGFTOPO E TVGTOPO E TKMPTOPO E YYYYYYYYYYYYYYYYNNRoadwaysEDGE OF DIRT ROADEDGE OF DIRT DRIVEEDGE OF ASPHALT DRIVEEDGE OF CONCRETE DRIVEEDGE OF ASPHALT PAVEMENTEDGE OF ASPHALT SHOULDEREDGE OF CONCRETE PAVEMENTEDGE OF TRAVEL LANEEDGE OF EMERGENCY LANEEDGE SURFACE TREATMENT ROADCROWN OF ROADSIDEWALK, EDGECURB, ASPHALTCURB, HEADERCURB & GUTTER, TOPCURB & GUTTER, F/LV-GUTTERKM POST, HIGHWAY – (DIM.)MILE POST, HIGHWAY – (DIM.)Page 512/13/19
InRoads Field Survey Feature CodesDescriptionInRoads Alpha CodeInRoads Feature StylePoint orChain TypeTriangulate(Y/N)BridgesBRIDGE APPROACH SLAB, EDGEBRIDGE BEAM BOTTOMBRIDGE OUTSIDE EDGE/CORNERBRIDGE COLUMN, CENTERBRIDGE COLUMN, EDGEBRIDGE GUTTER/SIDEWALK/CURB EDGEBRIDGE CENTERLINEENDROLLBRIDGE TOPO E TBASTOPO E TBBBTOPO E TBRDGCORTOPO E TCOLCTOPO E TCOLETOPO E TBGLTOPO E TBCLTOPO E TENDROLLTOPO E GVPTGPTGSTTGPITCANTBLDTBLDRLTHCRTHRLTMHCRTMHRLTOPO E TWFTOPO E TWFTTOPO E TWFBTOPO E TIRRPVTPTOPO E TIRRLMTTOPO E TSCTOPO E TSETOPO E TGMWTOPO E TGFVTOPO E TGVPTOPO E TGPTOPO E TGSTTOPO E TGPITOPO E TCANTOPO E TBLDTOPO E TBLDRLTOPO E THCRTOPO E THRLTOPO E TMHCRTOPO E ChainNYYNNNNNNNNNNNNNNNNNGeneral TopoWALL TOP, NON-TRIANGULATEDWALL TOP, TRIANGULATEDWALL BOTTOM, TRIANGULATEDIRRIGATION PIVOT POINTIRRIGATION LIMITSSIGN, CENTERSIGN, ENDGASOLINE MONITORING WELLGASOLINE FILLER VALVEGASOLINE VENT PIPEGASOLINE PUMPGASOLINE STORAGE TANK, ENDGASOLINE PUMP ISLANDCANOPYBUILDING CORNERBUILDING ROOF LINE CORNERHOUSE CORNERHOUSE ROOF LINE CORNERMOBILE HOME CORNERMOBILE HOME ROOF LINE CORNERPage 612/13/19
InRoads Field Survey Feature CodesDescriptionInRoads Alpha CodeInRoads Feature StylePoint orChain TypeTriangulate(Y/N)General Topo (Continued)PAINT STRIPINGWOODS LINETREE, CENTER – (DIM.)CULTIVATION LINEFENCE, CHAIN LINK (DIM.)FENCE, FIELD WIREFENCE, BARBED WIREFENCE, WOODENFENCE, VINYL (PVC)CEMETERY LINEGRAVEGUARDRAILCABLE BARRIERWELL – (DIM.)LIMIT LINECONSTRUCTION BOUNDARY, ACTVCONSTRUCTION BOUNDARY, FINDFLOOR ELEVATIONGATEUNCOVERED DECKFUEL TANKBRICK COLUMNSTEPSHISTORICAL MONUMENTFLAG BLBARTWELLTLIMLTCBATCBFTFETGTUDTFTTBCTSTHMTFPTOPO E TSTPTOPO E TWLTOPO E TTRETOPO E TCULTOPO E TFCLTOPO E TFFWTOPO E TFBWTOPO E TFWTOPO E TVFTOPO E TCEMTOPO E TGRVTOPO E TGRTOPO E TCBLBARTOPO E TWELLTOPO E TLIMLTOPO E TCBATOPO E TCBFTOPO E TFETOPO E TGTOPO E TUDTOPO E TFTTOPO E TBCTOPO E TSTOPO E THMTOPO E PointNNNNNNNNNNNNNNYYYNNNNNNNNPage 712/13/19
InRoads Field Survey Feature CodesDescriptionInRoads AlphaCodeInRoads FeatureStylePoint orChain NNNNNNUtilitiesMANHOLE, ELECTRICAL, TOPMANHOLE, GAS, TOPMANHOLE, SANITARY SEWER, TOPMANHOLE, TELEPHONE, TOPMANHOLE, TRAFFIC CONTROL, TOPMANHOLE, TV, TOPMANHOLE, WATER, TOPSTRAIN POLE/TRAFFIC SIGNAL POLETRAFFIC CONTROL/SIGNAL POLE ANCHORTELEPHONE POLE, CENTERTELEPHONE POLE ANCHORPOWER POLE, CENTERLIGHT POLE, CENTERPOWER/LIGHT POLE ANCHORTV POLETV POLE ANCHORELECTRIC GUY POLE, CENTERELECTRICAL BOXOVERHEAD ELECTRICAL LINEELECTRIC HANDHOLEELECTRICAL LINE MARKERELECTRIC METERTRANSFORMERTRANSMISSION TOWERYARD LIGHT, ELECTRICALYARD LIGHT, GASGAS LINE MARKERGAS METER, CENTERGAS PRESSURE REGULATORGAS TEST STATIONGAS VALVE, UNGLMUUGMUUGPRUUGTSUUNGVUTLE E UUMHEUTLE E UUMHGUTLE E UUMHSSUTLE E UUMHTUTLE E UUMHTCUTLE E UUMHTVUTLE E UUMHWUTLE E UUSTRPOLUTLE E UUPGATCUTLE E UUTPUTLE E UUPGATUTLE E UUPPUTLE E UULPUTLE E UUPGAEUTLE E UUTVPOLUTLE E UUPGATVUTLE E UUGPUTLE E UUELBOXUTLE E UUOELUTLE E UUEHHUTLE E UUEMRKUTLE E UUEMUTLE E UUTFMUTLE E UUTTWRUTLE E UUYLEUTLE E UUYLGUTLE E UUNGLMUTLE E UUGMUTLE E UUGPRUTLE E UUGTSUTLE E UUNGVPage 812/13/19
InRoads Field Survey Feature CodesDescriptionInRoads AlphaCodeInRoads FeatureStylePoint orChain NNNNNNNNNNNNUtilities (Continued)GAS VALVE MARKERGAS VAULTNATURAL GAS VENT PIPEPETROLEUM VALVEPETROLEUM VALVE MARKERPETROLEUM LINE MARKERSANITARY SEWER AIR RELEASE VALVESANITARY SEWER CLEANOUTSANITARY SEWER FORCE MAIN VALVESANITARY SEWER FORCE MAIN LINE MARKERSANITARY SEWER GREASE TRAPTELEPHONE BOOTHTELEPHONE CABINETTELEPHONE HANDHOLETELEPHONE PEDESTAL, CENTERTELEPHONE SPLICE BOXTELEPHONE SUBSCRIBER LOOP CARRIER (SLICK)OVERHEAD TELEPHONE LINETELEPHONE MARKERTV MARKERTV HANDHOLETV PEDESTALTV CABINETSATELLITE DISHTRAFFIC CONTROL HANDHOLEPEDESTRIAN CROSS LIGHTTRAFFIC SIGNAL BOX/TRAFFIC CONTROL CABINETWATER AIR RELEASE VALVEWATER BACKFLOW PREVENTERFIRE HYDRANT, CENTERWATER METER, CENTERWATER PRESSURE INDICATOR UPCLUUTSBUUWARVUUWBFPUUFHUUWMUUWPIVUTLE E UUNGVMUTLE E UUGVTUTLE E UUNGVPUTLE E UUPVUTLE E UUPVMUTLE E UUPLMUTLE E UUSARVUTLE E UUSCOUTLE E UUSFMVUTLE E UUSFMLMUTLE E UUSGTUTLE E UUTBUTLE E UUTELCABUTLE E UUTHHUTLE E UUTPDUTLE E UUTSPBUTLE E UUTSLCUTLE E UUOTLUTLE E UUTMRKUTLE E UUTVMRKUTLE E UUTVHHUTLE E UUTVPUTLE E UUTVCABUTLE E UTSATDSHUTLE E UUTCHHUTLE E UUPCLUTLE E UUTSBUTLE E UUWARVUTLE E UUWBFPUTLE E UUFHUTLE E UUWMUTLE E UUWPIVPage 912/13/19
InRoads Field Survey Feature CodesDescriptionUtilities (Continued)WATER STANDPIPEWATER VALVEWATER VALVE MARKERWATER VAULTWATER LINE MARKERRAILROAD, TOP OF RAILRAILROAD, CENTERLINEMILE POST, RAILROAD – (DIM.)InRoadsAlphaCodeInRoads Feature StylePoint or MUTRCRUTRCLUTMPRUTLE E UUWSPUTLE E UUWVUTLE E UUWVMRKUTLE E UUWVTUTLE E UUWLMUTLE E UTRCRUTLE E UTRCLUTLE E DUTLE E SUEBOTUTLE E SUETOPUTLE E SUEBUTLE E SUEDUTLE E SUFMBUTLE E SUFMDUTLE E SUGBUTLE E SUGDUTLE E SUNPWBUTLE E SUNPWDUTLE E SUPBUTLE E SUPDUTLE E SUSSBUTLE E SUSSDUTLE E SUSTMBUTLE E SUSTMDUTLE E SUTBUTLE E SUTDUTLE E SUTCBUTLE E ChainNNNNNNNNNNNNNNNNNNNNSubsurface UtilitiesSUBSURFACE UTILITY - BOTTOMSUBSURFACE UTILITY - TOPELECTRICAL LINE QUALITY LEVEL BELECTRICAL LINE QUALITY LEVEL DSANITARY SEWER FORCE MAIN LINE QUALITY LEVEL BSANITARY SEWER FORCE MAIN LINE QUALITY LEVEL DGAS LINE QUALITY LEVEL BGAS LINE QUALITY LEVEL DNON-POTABLE WATER LINE QUALITY LEVEL BNON-POTABLE WATER LINE QUALITY LEVEL DPETROLEUM LINE QUALITY LEVEL BPETROLEUM LINE QUALITY LEVEL DSANITARY SEWER LINE QUALITY LEVEL BSANITARY SEWER LINE QUALITY LEVEL DSTEAM LINE QUALITY LEVEL BSTEAM LINE QUALITY LEVEL DTELEPHONE LINE QUALITY LEVEL BTELEPHONE LINE QUALITY LEVEL DTRAFFIC CONTROL LINE QUALITY LEVEL BTRAFFIC CONTROL LINE QUALITY LEVEL DPage 1012/13/19
InRoads Field Survey Feature CodesDescriptionSubsurface Utilities (Continued)TEST HOLETV LINE QUALITY LEVEL BTV LINE QUALITY LEVEL DUNKNOWN LINE QUALITY LEVEL BWATER LINE QUALITY LEVEL BWATER LINE QUALITY LEVEL DInRoadsAlphaCodeInRoads Feature StylePoint or DUTLE E SUTHUTLE E SUTVBUTLE E SUTVDUTLE E SUUBUTLE E SUWBUTLE E O E TPBLTOPO E TRPChainPointYYMDITCHFLMOBSCMPCKGRDMPCKPAVTGCTOPO E MDITCHFLTOPO E MOBSCTOPO E MPCKGRDTOPO E MPCKPAVTOPO E CCHKSDCDSLCDSLCMSNGSCMTOPO E SBNCHMKTOPO E SCCHKTOPO E SDCDTOPO E SLCDTOPO E SLCMTOPO E SNGSCMPointPointPointPointPointPointNNNNNNGround ElevationsTERRAIN POINT ON BREAKLINERANDOM TERRAIN POINTMapping/Surface ChecksDITCH FLOW LINE – MAPPING ONLYOBSCURED AREA, MAPPINGMAP CHECK GROUND – GDOT STAFF USE ONLYMAP CHECK PAVEMENT – GDOT STAFF USE ONLYTOPO CHECK GROUND – GDOT STAFF USE ONLY - (DIM.)Survey ControlBENCHMARK - (DIM.)CONTROL RE-SHOT FOR CHECK - (DIM.)DISTRICT CONTROL DELTA - (DIM.)LOCATION CONTROL DELTA - (DIM.)LOCATION CONTROL MONUMENT - (DIM.)NGS CONTROL MONUMENT - (DIM.)Page 1112/13/19
InRoads Field Survey Feature CodesDescriptionDrainageDRAINAGE PIPE, F/L, CONCRETE – (DIM.)DRAINAGE PIPE, F/L, METAL – (DIM.)DRAINAGE PIPE, F/L, PLASTIC – (DIM.)CULVERT END, F/L – (DIM.)HEADWALL/WINGWALL TOPHEADWALL/WINGWALL BOTTOMTHROAT OF CATCH BASIN ALONG GUTTERDROP INLET, TOPSPUR DIKETOP OF WATER ELEVATIONSTREAM CENTER, F/LSTREAM EDGESTREAM BANK TOPDAM, TOPDAM, TOEOBSCURED AREA, DRAINAGELAKE EDGERIVER EDGESWAMP EDGEEDGE OF MISCELLANEOUS WATER FEATUREWETLAND BOUNDARYSTREAM BANK-FULLSTREAM X-SECTIONDRAINAGE BOTTOM OF DITCHDRAINAGE TOP OF DITCHHIGH WATER MARKPAVED DITCHSEPTIC TANK CENTERDRAIN LINESMANHOLE STORM SEWER, TOPJUNCTION FSXSDBODDTODDHWMDPDDSTCDDLUMHSTDJBInRoads Feature StylePoint or ChainTypeTOPO E DPCTOPO E DPMTOPO E DPPTOPO E DCEFTOPO E DHWTTOPO E DHWBTOPO E DCBTOPO E DDITOPO E DSPURDKTOPO E DWETOPO E DSCTOPO E DSETOPO E DSBTOPO E DDTTOPO E DADBTOPO E DOBSCTOPO E TLAKETOPO E TRIVERTOPO E DSWETOPO E DEWTOPO E DWBTOPO E SBFTOPO E SXSTOPO E DBODTOPO E DTODTOPO E DHWMTOPO E DPDTOPO E DSTCTOPO E DDLTOPO E UMHSTTOPO E )NNNNYYNNYNYYYYYYYYNYNNNYYNYNNNNPage 1212/13/19
InRoads Field Survey Feature CodesDescriptionSurveyor-DefinedSurveyor Defined Value – Triangulated ChainSurveyor Defined Value – Triangulated ChainSurveyor Defined Value – Triangulated ChainSurveyor Defined Value – Triangulated ChainSurveyor Defined Value – Triangulated ChainSurveyor Defined Value – Triangulated ChainSurveyor Defined Value – Triangulated ChainSurveyor Defined Value – Non-triangulated ChainSurveyor Defined Value – Non-triangulated ChainSurveyor Defined Value – Non-triangulated ChainSurveyor Defined Value – Non-triangulated ChainSurveyor Defined Value – Non-triangulated ChainSurveyor Defined Value – Non-triangulated ChainSurveyor Defined Value – Non-triangulated ChainSurveyor Defined Value – Triangulated PointSurveyor Defined Value – Triangulated PointSurveyor Defined Value – Triangulated PointSurveyor Defined Value – Triangulated PointSurveyor Defined Value – Triangulated PointSurveyor Defined Value – Triangulated PointSurveyor Defined Value – Triangulated PointSurveyor Defined Value – Non-triangulated PointSurveyor Defined Value – Non-triangulated PointSurveyor Defined Value – Non-triangulated PointSurveyor Defined Value – Non-triangulated PointSurveyor Defined Value – Non-triangulated PointSurveyor Defined Value – Non-triangulated PointInRoadsAlphaCodeInRoads Feature StylePoint or XXZAXXZBTOPO E XXATOPO E XXBTOPO E XXCTOPO E XXDTOPO E XXETOPO E XXFTOPO E XXGTOPO E XXHTOPO E XXITOPO E XXJTOPO E XXKTOPO E XXLTOPO E XXMTOPO E XXNTOPO E XXOTOPO E XXPTOPO E XXQTOPO E XXRTOPO E XXSTOPO E XXTTOPO E XXUTOPO E XXVTOPO E XXWTOPO E XXXTOPO E XXYTOPO E XXZATOPO E NNNYYYYYYYNNNNNNUXXAUXXBUTLE E UXXAUTLE E UXXBPointChainNNSurveyor-Defined UtilitiesSurveyor Defined Value (Utility) - PointSurveyor Defined Value (Utility) - ChainPage 1312/13/19
InRoads Field Survey Feature CodesAll features that require Dimensions, or Attributes, are summarized in the table below. These are also shownabove, in their appropriate categories.DescriptionDRAINAGE PIPE, F/L, CONCRETE – (DIM.)DRAINAGE PIPE, F/L, METAL – (DIM.)DRAINAGE PIPE, F/L, PLASTIC – (DIM.)CULVERT END, F/L – (DIM.)BENCHMARK - (DIM.)CONTROL RE-SHOT FOR CHECK - (DIM.)DISTRICT CONTROL DELTA - (DIM.)LOCATION CONTROL DELTA - (DIM.)LOCATION CONTROL MONUMENT - (DIM.)NGS CONTROL MONUMENT - (DIM.)FENCE, CHAIN LINK (DIM.)TOPO CHECK GROUND – GDOT STAFF USE ONLY – (DIM.)KM POST, HIGHWAY – (DIM.)MILE POST, HIGHWAY – (DIM.)TREE, CENTER – (DIM.)WELL – (DIM.)MILE POST, RAILROAD – (DIM.)ALL SURVEYOR-DEFINED FEATURES (TOPO & UTLE)InRoads CMTFCLTGCTKMPTMPHTTRETWELLUTMPRVARIESInRoads Feature StyleTOPO E DPCTOPO E DPMTOPO E DPPTOPO E DCEFTOPO E SBNCHMKTOPO E SCCHKTOPO E SDCDTOPO E SLCDTOPO E SLCMTOPO E SNGSCMTOPO E TFCLTOPO E TGCTOPO E TKMPTOPO E TMPHTOPO E TTRETOPO E TWELLUTLE E UTMPRVARIESPoint orChain PointVariesNNNNNNNNNNNNNNNNNVariesPage 1412/13/19
survey, including new R/W and Utility feature styles. Removed SMI and Group codes. Reorganized table to make it more clear. The new utility feature styles coincide with the Utility Legend and all cells used for utility features now p
