§42-104.
Residential Private Road Standards by Road Classification
If not specified in Article III (Subdivision Regulations) Subpart C (Subdivision Road Standards Applicable to All
Subdivision Types and Subtypes), the design and construction of private roads shall be reviewed using NCDOT
standards and requirements which reflect local NCDOT District Engineer policy modifications. 
Private roads shall: (1) Be designated based on the number of lots served (See Table 3.2); (2) be designed and
constructed in accordance with the standards of this Article III (Subdivision Regulations) (see Table 3.3); and (3) be
designed to provide, at all times, adequate and unobstructed access for emergency response.
TABLE 3.2 SUBDIVISION PRIVATE ROAD CLASSIFICATION BY NUMBER OF
RESIDENTIAL LOTS SERVED
ROAD
CLASSIFICATION
SUBDIVISION
COLLECTOR
Subdivision
Local
Limited
Local
Private
Driveway
Easement
Alley
Number of Residential
Lots Served
50+
6 to 49
1-5
1-5
1-49
Private roads shall meet the minimum design and construction standards according to the following road
classifications:
A.
Private Subdivision Collector Road. A “private subdivision collector road” shall be required 
where the road serves:
(1)
50 or more units (existing or proposed) within the proposed subdivision or as an  
aggregate of the proposed subdivision and any other development to which it connects,
(2)
As a through-road connecting lots within a subdivision to more than one (1) public 
thoroughfare, or
(3)
A nonresidential facility within a residential development, (i.e. clubhouse, golf course, 
etc.)
      B. 
Private Subdivision Local Road. A “private subdivision local road” shall be required where a 
private subdivision collector road is not required and a private subdivision limited local road is
not permitted. 
      C.
Private Subdivision Limited Local Road. A “private subdivision limited local road” shall be 
permitted where the road serves:
(1)
No more than five (5) lots or principal units. 
(2)
Only as a maintenance and/or emergency access (regardless of the number of lots it 
adjoins provided the road shall not be used to access lots and appropriate signage is 
provided).
D.
Private Driveway Easements. A private “driveway easement” shall be permitted where the driveway serves
no more than five (5) lots (the lots served by the easement shall be identified on all plans and plats). Final
plats must contain a note conveying maintenance responsibility of the easement to the homeowners’
utilizing it to access their property.  The note shall state easement(s) must be maintained to allow clear 
passage for emergency response vehicles.
(1)
Where private driveway easements are used, the surveyor or engineer shall place and execute the 
following certification on the plat with their seal and registration or license number. 
I, ________________________________________, Professional Land Surveyor or
Professional Engineer, certify that the lot(s) created by this plat is (are) served and accessed
by a recorded driveway easement shown here on.  This easement may or may not meet the
standards for roads serving subdivisions in the Henderson County Land Development
Code.  Neither the undersigned nor Henderson County certifies whether this easement
meets such standards.
This the _________ day of ______, 20____.
________________________________    Professional Surveyor or Engineer
  
E. 
Alley. An alley shall be permitted where the residential lot is also accessible by another public or private 
road and the alley serves as primary access for the future homeowner and for utility services (i.e. trash 
collection). Visitors to the residential lot will use the principal access road to the property.
TABLE 3.3. SUBDIVISION PRIVATE ROAD STANDARDS
REQUIREMENTS
PRIVATE ROAD CLASSIFICATION
Subdivision
Collector
Subdivision
Local
Limited
Local
Private
Driveway
Easement
Alley
Number of Residential Lots Served
50+
6 to 49
1-5
1-5
1-49
RIGHT-OF-WAY WIDTH
(FT.)
ROADS (FEET)
50
45
30
-
20
Cul-de-sac (radius)
-
50
50
-
-
Easement Width (ft.)
-
-
-
30
-
Sight Distance on Vertical Curves (ft.)
150
110
110
-
-
Center Line Curve Radius (ft.) – See section F. below
90
90
90
-
-
Maximum Grade %
STONE ONLY
12
15
15
-
-
Paved Surface
16
18
18
-
-
MINIMUM TRAVELWAY WIDTH (FT.) (TWO-WAY ROAD)
18
16
16
-
12
MINIMUM TRAVELWAY WIDTH (FT.) (ONE-WAY ROAD)
12
12
12
-
12
Shoulder Width (each side, two-way road) (ft.)
6
4
2
-
-
Shoulder Width (each side, one-way road) (ft.)
2
2
2
-
-
Stone Base (ABC) Compacted (in.)
8
6
6
-
-
Asphalt
(1½ of S-9.5B or BST)
Cut and Fill Slope
2:1
1.5:1
1.5:1
-
-
Ditch Slope
4:1
3:1
3:1
-
-
Vertical Clearance (ft.)
13.5
13.5
13.5
13.5
13.5
F.
Center Line Curve Radius. The pavement width and stone base indicated in Table 3.3 shall be increased within
the curve where the road centerline is less than a 90-foot radius. If the radius is 70 to 90 feet, increase pavement
and stone base width by 25 percent. If the radius is 60 to 70 feet, increase the pavement and stone base width by
35 percent. If the radius is 50 to 60 feet, increase  the pavement and stone base width by 45 percent. If the radius
  
is 40 to 50 feet, increase the pavement and stone base width by 50 percent. No turn radius shall be less than 40
feet.