Signing and Delineation Unit (SDU) Procedures Manual  

Definitions

• Alternate Route – auxiliary designation assigned to a parallel route of a parent route when both routes are needed to accommodate the traffic demand and when the alternate route has substantially the same geometric and structural design standards of the parent route.
• Business Route – auxiliary designation assigned to a route that is primarily located within the corporate limits of a city, passes through the business district of the city and reconnects with the parent route beyond the city or congested area.
• Bypass Route – auxiliary designation assigned to a route that bypasses a city or congested area and reconnects with the parent numbered route beyond the city or congested area.

Acronyms

• AASHTO – American Association of State Highway and Transportation Officials
• D-B – Design-Build
• DPDE – Division Project Development Engineer
• DTE – Division Traffic Engineer
• FHWA – Federal Highway Administration
• GEC – General Engineering Consultant
• ITE – Institute of Transportation Engineers
• MPO – Metropolitan Planning Organization
• MUTCD – Manual on Uniform Traffic Control Devices
• NCBELS – North Carolina Board of Examiners for Engineers & Surveyors
• NCAMPO – North Carolina Association of Metropolitan Planning Organizations
• NCARPO – North Carolina Association of Rural Planning Organizations
• NCDOT – North Carolina Department of Transportation
• NCSMUTCD – North Carolina Supplement to the Manual on Uniform Traffic Control Devices
• NCTA – North Carolina Turnpike Authority
• NEPA – National Environmental Policy Act
• NHS – National Highway System
• PEF – Private Engineering Firm
• PMU – Project Management Unit
• PS&E – Plans, Specifications & Estimate
• RPO – Rural Planning Organization
• RTE – Regional Traffic Engineer
• SDU – Signing and Delineation Unit
• STIP – Statewide Transportation Improvement Program
• SPOT – Strategic Prioritization Office of Transportation
• SR – Secondary Road
• SSRS – Standard Specifications for Roads and Structures (Specs)
• TEPPL - Traffic Engineering Policies, Practices, and Legal Authority
• TIP – Transportation Improvement Project