The 3M™ culture of creative collaboration inspires a never-ending stream of powerful technologies, creating innovative products that help make the world healthier, safer and more productive. For more than 70 years 3M has developed and used technologies to produce products that make roads safer. 3M has been manufacturing reflective sheeting products for traffic signs since the 1940’s and in 1950’s first offered Engineer Grade sheeting. Over the last 6 decades 3M has introduced a number of reflective sheeting materials – High Intensity Prismatic, Diamond Grade™ DG³ Reflective Sheeting and Engineer Grade Prismatic. Other products 3M offer include Stamark™ Road Marking Tape for permanent and temporary applications, reflective sheeting for vehicle livery, road studs and automatic number plate recognition (ANPR) and image processing systems and vehicle detection and classification technologies.