Morrisville Engineering, Design, and Construction Manual - July 2016

Section 4: Access and Circulation 4.3 Signage, Signals, and Pavement Markings 4.3.1 Traffic Control Signs

Larger subdivisions (greater than 100 lots) may require additional soil samples at the discretion of the Town Engineer. Boring logs and scaled drawings designating boring locations with CBR tests and other pertinent data shall be included with the pavement design report. The pavement design for any public streets or private accessway shall, at a minimum, comply with the standards in Table 4.2.13.I below.

Table 4.2.13.I: Pavement Design Standards [1]

Accessway Classification

Stone Base Course Thickness [2]

Asphalt Thickness

Local Streets, Alleys, and Fire Lanes

8 inches minimum

4.5 inches minimum

5 inches minimum

All Other Streets

12 inches minimum

Notes: [1] See Appendix C: Standard Details & Notes. [2] The stone base course shall extend under the curb and gutter and terminate 6 inches behind the back of curb.

Alleys shall be designed to support a garbage truck or larger vehicle.

4.3. SIGNAGE, SIGNALS, AND PAVEMENT MARKINGS

Traffic Control Signs

4.3.1.

All streets require traffic control signs (e.g. stop and yield signs).

Traffic control signs shall be marked in accordance with the latest revision of the MUTCD.

All specialty traffic control signs and posts must be approved by the Engineering and Public Works Departments.

All traffic signs shall be included in the pavement marking plan required in Section 4.3.2.D below.

Pavement Markings

4.3.2.

All collector streets and thoroughfares require pavement markings.

Pavement markings shall be marked in accordance with the latest revision of the MUTCD.

The pavement markings for all streets, both public and private, and fire lanes shall be thermoplastic in accordance with NCDOT standards. Exception of the use of thermoplastic is granted in the case of private parking stalls.

A pavement marking plan shall be included in Construction Plan Approval applications.

Street Name Signs

4.3.3.

Permanent street name signs shall be installed prior to issuance of any Certificate of Compliance/Occupancy for the development or final acceptance of the roadway by the Town.

The developer is responsible for the purchase and installation of street name signs.

The developer is responsible for obtaining approval of road names from Wake and Durham Counties, as appropriate. Street name signs shall be marked in accordance with the latest revision of the MUTCD and shall comply with the Town’s standard specifications. Street name blades with Town Road Designations does not designate that that streets have been formally accepted by the Town Board for public maintenance.

January 2016

Morrisville, NC

Page 24

Engineering, Design, and Construction Manual