| AASHTO | American Association of State Highway and Transportation Officials | Roadway Design References |
| ABAND | Abandoned | Right of Way Plans |
| ABC | Aggregate Base Course | Pavement Schedule |
| AC | Acre | Right of Way Plans |
| ACBC | Asphalt Concrete Base Course | Pavement Schedule |
| ACIC | Asphalt Concrete Intermediate Course | Pavement Schedule |
| ACS | Auxiliary Coordinate System | Microstation Attribute |
| ACSC | Asphalt Concrete Surface Course | Pavement Schedule |
| AD | Arterial Design Side Slope | Criteria |
| ADT | Average Daily Traffic | Traffic Diagram |
| AEC | Areas of Enviromental Concern | Coastal Permits |
| AH | Ahead | Roadway Plans |
| AP or APPR | Approach | Roadway Plans |
| ASPH | Asphalt | Roadway Plans |
| AST | Asphalt Surface Treatment | Pavement Schedule |
| AT-1 | Anchor Terminal | Roadway Plans |
| AZ | Azimuth | Angle System |
| B | Bridge Projects (B-1234) | TIP Projects |
| BEG | Begin | Roadway Plans |
| BIC | Buried in Cut | Roadway Plans |
| BK | Back | Roadway Plans |
| BL | Base Line | Base Mapping |
| BM | Bench Mark | Roadway Profiles |
| BRG | Bridge | Roadway Plans |
| BS | Backsight | Geodetic Survey |
| BST | Bituminous Surface Treatment | Pavement Schedule |
| BW | Barrier Wall or Barbed Wire (Fence) | Roadway Plans |
| C | Congestion Mitigation Projects (C-1234) | TIP Projects |
| CA | Control of Access | Right of Way Plans |
| CADD | Computer Aided Design and Drafting | Software |
| CAMA | Coastal Area Management Act | Coastal Area Permits |
| CAT-1 | Cable Anchor Terminal | Roadway Plans |
| CB | Catch Basin | Hydraulic Plans |
| CBD | Central Business District | Urban Thoroughfare Plans |
| CC | Center of Curve or Compund Curve | COGO |
| CCC or 3C | Continuing Comprehensive Cooperatively | Federal Aid Criteria |
| CCFR | Curb Cut for Future Wheelchair Ramp | Roadway Plans |
| CCPCUA | Central Coastal Plain Capacity Use Area | Enviromental Permits |
| CD | Collector Distributor (Road) | Roadway Plans |
| CE | Categorical Exclusion | Project Studied Document |
| CG or C&G | Curb and Gutter | Roadway Plans |
| CGIA | Center for Geographic Information and Analysis | GIS Correspondent |
| CL | Center Line or Chain Linked (Fence) | Roadway Plans |
| CMB | Concrete Median Barrier | Roadway Plans |
| CMP | Corrugated Metal Pipe | Hydraulic Plans |
| COGO | Coordinate Geometry | Geopak Software |
| CONC | Concrete | Roadway Plans |
| CONSTR | Construction | Roadway Plans |
| CP | Control Point or Cross Pipe | Roadway X-Sections |
| CRI | Criteria | Roadway X-Sections |
| CS | Curve to Spiral | Roadway Plans |
| CSP | Corrugated Steel Pipe | Hydraulic Plans |
| CT | Center | Roadway Plans |
| CTBC | Cement Treated Base Course | Pavement Schedule |
| D | Directional Movement Factor or Degree of Curve | Capacity Analysis |
| DDE | Drainage Ditch Excavation | Earthwork Computation |
| DENR | Department of Enviromental and Natural Resources | Project Correspondent |
| DHV | Design Hourly Volume | Capacity Analysis |
| DI | Drop Inlet | Hydraulic Plans |
| DMD | Double Meridian Distance | Survey Computations |
| DMV | Division of Motor Vehicles | Project Correspondents |
| DOD | (US) Department of Defense | GPS & Geodetic Survey |
| DOH | Division of Highways | Project Correspondents |
| DOT | Department of Transportion | Project Correspondents |
| DTCD | Drop Type Concrete Drive | Roadway Plans |
| DTM | Digital Terrain Modeling | Geodetic Survey |
| DWQ | Division of Water Quality | NCDENR |
| E | East or Eastern or Easting | English | Enhancement Project Roadside (E-1234) | Roadway Plans |
| EA | Enviromental Assessment (Draft and Final) | Project Studied Document |
| EBL | East Bound Lane | Roadway Plans |
| EDM | Electronic Distance Measurement | Survey Procedures |
| EIS | Enviromental Impact Statement (Draft and Final) | Project Studied Document |
| EMB | Embankment | Earthwork Computation |
| El | Elevation | Roadway Profiles |
| END | Ending | Roadway Plans |
| EOP | Edge of Pavement | Roadway Plans |
| EOT | Edge of Travel | Roadway Plans |
| EPA | Enviromental Protection Agency | Project Correspondent |
| EQN | Equation | COGO |
| ESAL | Equivalent Single Axial Load | Pavement Management |
| EST | Estimated | Roadway Estimates |
| EW | Earthwork | Roadway X-Sections |
| EXC | Excavation | Earthwork Computation |
| EXIST | Existing | Base Mapping |
| F | Ferry Projects (F-1234) | TIP Projects |
| FD | Freeway Design ( Side Slope) | Criteria |
| FEMA | Federal Emergency Management Agency | Project Correspondent |
| FES | Flared End Section | Hydraulic Plans |
| FDPS | Full Depth Paved Shoulder | Roadway Typicals |
| FF | Filter Fabric | Hydraulic Pay Items |
| FFS | Free Flow Speed | Capacity Analysis |
| FMIS | Fiscal Management Information System | Project Federal Funding |
| FHWA | Federal Highway Administration | Project Correspondent |
| FONSI | Finding Of No Significant Impact | EA Result Documentation |
| FS | Foresight | Geodetic Survey |
| Ft | Foot or Feet | Roadway Plans |
| GDI | Grated Drop Inlet | Hydraulic Plans |
| GI | Grated Inlet | Hydraulic Plans |
| GIS | Geographic Information Systems (Unit) | County Maps |
| GP | Grade Point | Roadway Typicals |
| GPS | Global Positioning System | Geodetic Survey |
| GR | Guardrail or Gravel (Road) | Roadway Plans |
| GS | General Statute | NC Law |
| GRAU | Guardrail Anchor Unit | Roadway Plans |
| HCM | Highway Capacity Manual | Capacity Analysis |
| HCS | Highway Capacity Software | Capacity Analysis |
| HDPE | High Density Polyethylene (Pipe) | Hydraulic Plans |
| HI | Height of Instrument | Geodetic Survey |
| HPMS | Highway Performance Monitoring System | GIS Data System |
| HT | Height | Roadway Plans |
| HOV | High Occupancy Vehicle | Congestion Management |
| HYD | Hydraulic | Hydraulic Files |
| I | Interstate or Interstate Projects (I-1234) | TIP Projects |
| IMAP | Incident Management Assistance Patrol | Traffic Control |
| IN | Inch | Plotting |
| ISTEA | Intermodal Surface Transportation Efficiency Act | National Statue |
| JB | Junction Box | Hydraulic Plans |
| JCT | Junction | Highway Signs |
| K | Rest Area Projects (K-1234) | TIP Projects |
| KM | Kilometer | Title Sheets |
| LC | Long Chord | Curve Composition |
| LEDPA | Least Enviromentally Damaging Practicable Alternative | NEPA Merger Process |
| LD | Local Design (Side Slope) | Criteria |
| L off | Length of Runoff | Superelevation Data |
| L out | Length of Tangent Runout | Superelevation Data |
| LOC | Location and Surveys | Limits of Construction | Correspondence |
| LOS | Level of Service | Capacity Analysis |
| LP | Loop (-LPA-, -LPD-) | Roadway Plans |
| LT | Left | Roadway Plans |
| M | Meter or Metric or Median Anchor Unit (M-350) | Roadway Plans |
| MAT | Material | Roadway Plans |
| MBT | Modified Bulb Tee | Prestressed Concrete Girder |
| MCI | Monolithic Concrete Island | Roadway Plans |
| MD | Middle | Roadway Plans |
| MDI | Median Drop Inlet | also see GDI | Hydraulic Plans |
| MDNDS | Median Ditch Slope | Criteria |
| MDS | Masonry Drainage Structure | Hydraulic Plans |
| MED | Median | Roadway Plans |
| MH | Man Hole | Hydraulic Plans |
| MI | Mile | Roadway Title Sheet |
| MOD | Modified | Roadway Plans |
| MPH | Mile Per Hour | Roadway Title Sheet |
| MPO or MPOs | Metropolitan Planning Organizations | Project Correspondent |
| MRG | Maximum Relative Gradient | Geodetic Survey |
| MSL | Mean Sea Level | Geodetic Survey |
| N | North or Northern or Northing | Roadway Plans |
| NAAQS | National Ambient Air Quality Standards | EPA Standards |
| NAD | North American Datum (+ MSL datum year: NAD 83) | North Arrows/Datum Description |
| NAVD | North American Vertical Datum | Geodetic Survey |
| NB(L) | North Bound (Lane) | Roadway Plans |
| NC | Normal Crown or North Carolina (Route Number) | Superelevation Data |
| NCAC | North Carolina Administrative Code | NCDOT Activity and Obligation |
| NCDENR | North Carolina Department of Enviroment and National Resources | Project Correspondent |
| NCDOT | North Carolina Department of Transportation | Roadway Plans |
| NCEES | National Council of Examiners for Engineering and Surveying | Professional License |
| NDI | Narrow Slot Drop Inlet | Hydraulic Plans |
| NEPA | National Enviromental Policy Act | Enviromental Permits |
| NEU | Natural Enviroment Unit - see also ONE | Enviromental Permits |
| NHPN | National Highway Planning Network | GIS Data System |
| NHS | National Highway System | Roadway Plans |
| NTS | Not to Scale | Title Sheets |
| NTSB | National Transportation Safety Board | Materials and Testings |
| O&D | Origin and Destination (Survey) | Capacity Analysis |
| OGAFC | Open Graded Asphalt Friction Course | Pavement Schedule |
| ONE | Office of Natural Enviroment - see also NEU | Enviromental Permits |
| P | Passenger Rail Projects (P-1234) or Passenger (Car) | TIP Projects |
| PADL | Permeable Asphalt Drainage Layer | Pavement Schedule |
| PCBB | Prestressed Concrete Box Beam (Unit) | Structure Plans |
| PDE | Permanent Drainage Easement | Right of Way Plans |
| PDEA or PD&EA | Project Development & Environmental Analysis (Unit) | Project Studied Document |
| PDPS | Partial Depth Paved Shoulder | Roadway Typicals |
| PE | Professional Engineer or Project Engineer | Project Managers and Designers |
| PEF | Private Engineering Firms | Project Correspondents |
| PGL | Profile Grade Line | Superelevation Data |
| PHF | Peak Hour Factor | Capacity Analysis |
| PI | Pont of Intersection | Roadway Plans |
| PINC | Point of Intersection No Curve | Roadway Plans |
| PIS | Point of Intersection for Spirals | Roadway Plans |
| PLS | Professional Land Surveyor | Project Correspondents |
| POC | Point on Curve | Roadway Plans |
| POT | Point on Tangent | Roadway Plans |
| PRO or PFL | Profile | Roadway Profile |
| PRC | Point of Reverse Curve | Roadway Plans |
| PRS or RS | Point of Reverse Spiral | Roadway Plans |
| PROP | Proposed | Roadway Plans |
| PS | Paved Shoulder or Pavement Schedule (Cells) | Roadway Typicals |
| PSH | Plan Sheet | Roadway Plans |
| PT | Point of Tangency or Point | Roadway Plans |
| PUE | Permanent Utility Easement | Right of Way Plans |
| PVC | Point on Vertical Curve | Roadway Profile |
| PVI | Point of Vertical Intersection | Roadway Profile |
| PVMT | Pavement | Roadway Plans |
| PVMT SCHL | Pavement Schedule | Pavement Schedule |
| PVT | Point of Vertical Tangency | Roadway Profile |
| R | Rural Projects (R-1234) or Radius | TIP Projects |
| RC | Remove Adverse Crown, Reverse Crown, or Reverse Curve | Roadway Typicals |
| RCBC | Reinforced Concrete Box Culvert | Roadway Plans |
| RCP | Reinforced Concrete Pipe | Hydraulic Plans |
| RDM | Roadway Design Manual | Design Criteria Worksheet |
| REINF | Reinforced | Roadway Plans |
| REM | Remove | Roadway Plans |
| REPL | Replace | Roadway Plans |
| RESURF | Resurface | Roadway Profiles |
| RET | Retain | Roadway Plans |
| ROD | Record of Decision | EIS Results Documentation |
| ROW | Right of Way | Right of Way Plans |
| RP | Ramp (-RPA-, -RPD-) | Roadway Plans |
| RPO | Rural Planning Organizations | Planning Correspondents |
| RR | Railroad or Rip Rap or Rub Rail | Roadway Plans |
| RRR or 3R | Resurfacing, Restoration, and Rehabilitation | Type of Roadway Project |
| RS | Reverse Spiral | Roadway Plans |
| RT | Right | Roadway Plans |
| RTCD | Radius Type Concrete Drive | Roadway Plans |
| S | South or Southern or Southing | Scenic Beautification Projects (S-1234) | Roadway Plans |
| SABC | Sand Asphalt Base Course | Pavement Schedule |
| SASC | Sand Asphalt Surface Course | Pavement Schedule |
| SAU | Structure Anchor Unit | Roadway Plans |
| SBG | Shoulder Berm Gutter | Roadway Plans |
| SB (L) | South Bound (Lane) | Roadway Plans |
| SCS | Spiral Curve Spiral | COGO |
| SE | Super Elevation (Rate) | Roadway Plans |
| SEPA | State Environmental Policy Act | Project Permits |
| SI | Systeme International (French) | Hazard Elimination Projects (SI-1234) | Pavement Schedule |
| SP | Shear Point or Super Pave | Pavement Schedule |
| SPD | Shear Point Diagram | Roadway Plans |
| SPDI | Single Point Diamond Interchange | Interchange Design |
| SPI | Spiral | Roadway Plans |
| SPUI | Single Point Urban Interchange | Interchange Design |
| SR | Service Road or Secondary Road | Roadway Plans |
| SS | Slope Stakes | Roadway Plans |
| ST | Spiral to Tangent (Point) | Roadway Plans |
| STA | Station | Roadway Plans |
| STBC | Soil Type Base Course | Pavement Schedule |
| STD | Standard | Drawing Standards |
| STIP | Statewide Transportation Improvement Program | Board Approval Process |
| STR | Structure | Roadway Plans |
| SREC | Struture Recomendations | Struture Recomendations |
| SUE | Subsurface Utility Engineering | Symbology Sheet |
| SUT | Single Unit Truck | Capacity Analysis |
| SYB | Symbol | Symbology Sheet |
| T | Tangent or Truck Volume (ADT) | Title Sheet |
| TB | Traffic Bearing | Hydraulic Plans |
| TBDI | Traffic Bearing Drop Inlet | Hydraulic Plans |
| TBJB | Traffic Bearing Juction Box | Hydraulic Plans |
| TBM | Temporary Bench Mark | Geodetic Survey |
| TCE | Temporary Construction Easement | Right of Way Plans |
| TDE | Temporary Drainage Easement | Right of Way Plans |
| TDI | Tight Diamond Interchange | Interchange Design |
| TEMP | Temporary | Roadway Plans |
| TERM | Terminator | Roadway Cells |
| TES | Terminal End Section | Roadway Plans |
| TIN | Triangulated Irregular Network | Geopak Resource |
| TIP | Transportation Improvement Program | Roadway Plans |
| TP | Turning Point | Geodetic Survey |
| TR | Trailing | Roadway Plans |
| TS | Tangent to Spiral (Point) or Typical Section | Roadway Plans |
| TSH | Title Sheet | Roadway Plans |
| TT | Turning Template | Roadway Cells |
| TTST | Tractor Trailor Semi Truck | Title Sheet |
| TYP | Typical | Roadway Plans |
| V | (Velocity) Design Speed | Title Sheets |
| W | West or Western or Westing | Hazard Elimination Projects (W-1234) | Roadway Plans |
| WB | Wheel Base | AutoTurn Analysis |
| WBL | West Bound Lane | Roadway Plans |
| WCC | Wheelchair Ramp Curb Cut | Roadway Plans |
| WCR | Wheelchair Ramp | Roadway Plans |
| WLB | Wetland Limit Boundary | Wetland Correspondents |
| WW | Woven Wire (Fence) or Wing Wall | Roadway Plans |
| XS or XSECT | Cross Section | Roadway X-Section |
| Y | Passenger Rail Projects (Y-1234) | TIP Projects |
| Z | Passenger Rail Projects (Z-1234) | TIP Projects |
