| NOMENCLATURE |
CIRCLE
of RELATIVITY |
| |
|
|
| 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 |
NC DOT
NC DOH
NC GOV
