Morrisville Unified Development Ordinance_Feb 2024.1

Article 5: Development Standards Section 5.8. Access and Circulation 5.8.6. Vehicular Access and Circulation

traffic conflicts, separate basic conflict areas, separate turning volumes from through movements, and maintain progressive speeds along thoroughfares.

2.

Driveway Intersections

a. Limitation on Direct Driveway Access Along Thoroughfares (1) Direct driveway access to a development’s principal origin or destination points (including individual lots in a subdivision) may be provided directly from a major or minor throughfare only if no alternative direct vehicular access from a lower-classified accessway (e.g., collector street, local street, alley, or driveway) is available or feasible to the maximum extent practicable; (2) Only one two-way driveway, or one pair of one-way driveways, is allowed onto lots with 250 or less feet of lot frontage on the major or minor thoroughfare, and no more than one additional two-way driveway or pair of one-way driveways per additional 250 feet of frontage.

b. Limitation on Direct Driveway Access Along Other Roadways

The following standards shall apply to vehicular access along a roadway other than a freeway or a major or minor thoroughfare. (1) For single-family detached, duplex, manufactured home dwellings, and pocket neighborhood developments, no more than two direct driveway access points are allowed.

(2) For bungalow courts, no more than one driveway access point is allowed.

(3) For single-family attached and multifamily dwellings, and for institutional, commercial, mixed-use, and industrial developments, the number of vehicular access points along a street shall be minimized as necessary to protect the function, safety, and efficiency of travel on the street and any associated bikeways and sidewalks. (4) Where a through lot or corner lot fronts on roadways of different classifications, direct driveway access to the lot shall be from the lower-classified fronting street, to the maximum extent practicable.

(Ord. No. 2016-001, 05/10/2016)

Spacing of Driveway Intersections

c.

(1) New driveways shall be spaced in accordance with the standards in Table 5.8.6.C.2.c., Minimum Driveway spacing standards. (2) Existing driveways not meeting the spacing standards in Table 5.8.6.C.2.c may be utilized under the following circumstances:

(A) If located on a State-maintained roadway, approval by NCDOT shall be required.

(B) If located on a Town-maintained or Private roadway, approval by the Town Engineer shall be required. (i) The Town Engineer may consider utilization of an existing driveway whose spacing does not meet the standards in Table 5.8.6.2.c. if a Registered Traffic Engineer provides a traffic study/safety analysis that demonstrates that use of the existing driveway does not adversely affect the adjacent roadway or cause any safety concerns to public travel including pedestrian impacts. (ii) Design modifications may be required as requested by the Town Engineer and/or the Traffic Engineer performing the study in order to approve the request.

(3) In cases where an existing parcel cannot construct a new driveway meeting the driveway spacing standards in Table 5.8.6.2.c, but access is available through

Morrisville, NC

June 13, 2023

Unified Development Ordinance

Page 5-48