Historical
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.
NEMA: National Electrical Manufacturers Association [nema]