Our Commitment to Safety Every Product is Designed with Safety in Mind. Keeping Motorists and Pedestrians Safe Three D Traffic Works’ recycled plastic traffic safety devices are what we are known for. Our affordable top-of-the-line products provide the ultimate in motoring public safety. Conditions on roads, work zones, and in construction zones are ever-changing. The need to keep improving safety is on-going. Three D Traffic Works is relentless at constantly improving our unique line of traffic control products including barricades, delineators, channelizers, pavement & barrier markers, cone signs, construction, and pedestrian barriers as well as a complete line of recycled rubber products. Our products are used in “Safe Routes to School” programs. Three D Traffic Works’ products are used as part of the Federal Safe Routes to School (SRTS) Program. This program empowers communities, nationally and locally, to make walking and bicycling to school a safe and routine activity. Our products help build safer street crossings and school activities.