The International Municipal Signal Association (IMSA) is one of the two main professional organizations contributing input to the Federal Highway Administration (FHWA) in revising and developing highway standards concerning traffic signals and control devices. They are dedicated to providing quality certification programs for the safe installation, operation and maintenance of public safety systems. Public Safety in the fields of Fire Alarm Systems, Roadway Lighting, Signs and Pavement Markings, Traffic Signals, and Work Zone Safety.
IMSA Certifications indicate individuals have met prerequisite qualifications and passed an examination — from an impartial, nationally-recognized association — to determine they are qualified to perform specific technical tasks.
UL Safety Standard
UL is a global independent safety science company with more than a century of expertise innovating safety solutions from the public adoption of electricity to new breakthroughs in sustainability, renewable energy and nanotechnology. Dedicated to promoting safe living and working environments, UL helps safeguard people, products and places in important ways, facilitating trade and providing peace of mind.
NFPA is a global, nonprofit organization devoted to eliminating death, injury, property and economic loss due to fire, electrical and related hazards. The association delivers information and knowledge through more than 300 consensus codes and standards, research, training, education, outreach and advocacy; and by partnering with others who share an interest in furthering the NFPA mission.