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N

NA
Not Applicable
NASA
National Aeronautics and Space Administration
National
Council on Systems Engineering [now INCOSE]
National ITS Architecture
A general framework for planning, defining, and integrating ITS. It was developed to support ITS implementations over a 20-year time period in urban, interurban, and rural environments across the country. The National ITS Architecture is available as a resource for any region and is maintained by the USDOT independently of any specific system design or region in the nation.
NCOSE
National Council on Systems Engineering [now INCOSE]
NDI
Non-Developmental Item
Needs assessment
An activity accomplished early in system development to ensure that the system will meet the most important needs of the project’s stakeholders, specifically that the needs are well understood, de-conflicted, and prioritized.
NEMA
National Electrical Manufacturers Association
NIST
National Institute of Standards and Technology
Non-conformance
The failure of a unit or product to conform to specified requirements.
NTCIP
National Transportation Communications for ITS Protocol

 

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Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000