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NEMA TS 4-2016

Hardware Standards for Dynamic Message Signs (DMS) with NTCIP Requirements

Provides the user with safe, dependable, functional, and easily maintained Dynamic Message Sign (DMS) equipment. NEMA TS 4-2016 standardizes minimum performance requirements and specifications for design and implementation of dynamic traffic messaging equipment with operational features based on current technology.


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NEMA: National Electrical Manufacturers Association [NEMA]


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As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.

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