Morrisville UDO - June 2017 version

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Article 5: Development Standards
Section 5.8. Access and Circulation
5.8.6. Vehicular Access and Circulation
June 23, 2017 Morrisville, NC
Page 5-56 Unified Development Ordinance
d. Shared Driveways
(1) Driveway access shared between adjoining lots is encouraged and may be required to
limit direct vehicular access along streets (see subsections and above) or comply with
driveway intersection spacing requirements (see subsectio above).
(2) Easements allowing cross-access to and from properties served by a shared driveway,
along with agreements defining maintenance responsibilities of property owners, shall be
recorded with the Register of Deeds for the county in which the driveway is located before
issuance of a Building Permit for the development proposing the shared driveway access.
e. Rear Alley Access
Within the Transit-Oriented Development (TOD) District, a continuous network of rear alleys
providing vehicular access to all lots is encouraged. Vehicular access to lots 50 feet or less in
width shall be from a rear alley.
Street Intersections
a. Street intersections shall be spaced in accordance with the standards in Table Street
Intersection Spacing.
Table Minimum Street Intersection Spacing [1]
Intersection Type
Intersected Street
Thoroughfare Collector Street Local Street
Intersections controlled by a traffic signal ½ to 1 mile ¼ mile 1,000 feet
Four-legged intersections not controlled by a
traffic signal
1,000 feet 750 feet 300 feet
Three-legged
intersections not
controlled by a traffic
signal
Along the same side
of the street
800 feet 500 feet 200 feet
Along opposite sides
of the street
200 feet 200 feet 125 feet
Notes:
[1] As measured between centerlines.
(Ord. No. 2015-047, 07/28/2015 Ord. No. 2016-001, 05/10/2016)
b. Median breaks should be spaced at intervals no less than the applicable minimum block length
(see Sectio .
Gating of Streets
a. The use of gates, manned or unmanned, to control vehicular access on any public street or alley
is prohibited except at railroad crossings.
b. The use of gates, manned or unmanned, to control vehicular access on a private street, alley,
or driveway may be allowed only with if the Town Engineer, after consulting the Fire Chief,
determines that gate would not restrict vehicular access to an existing street, restrict timely
access by emergency vehicles, or solely serve to isolate or segregate an organization or
segment of the population from access. This requirement does not apply to a driveway serving
an individual single-family detached, duplex, manufactured home, or single-family attached
dwelling.
F. Intersection Sight Distance Areas
Intersection sight distance areas shall be established at each corner of all intersections of streets, as well
as intersections of driveways and streets, in accordance with the standards in the Engineering Design
and Construction Manual. Within intersection sight distance areas, development and landscaping shall
be restricted to enable motorists approaching the intersection to see and react to vehicular traffic
approaching the intersection from other directions, in accordance with standards in the Engineering
Design and Construction Manual.