A Tradition of Traffic Counting Excellence Since 1977. Diamond Traffic Products has manufactured accurate traffic measurement and reporting products and industry-leading counters and classifiers for vehicle, bicycle, off-road and pedestrian data collection. We specialize in solutions and deliver innovative and custom systems to our clients world-wide. With the widest product and software line in the traffic counting industry, Diamond Traffic Products is committed to providing value, reliability, and simplicity through quality and reliable products that are built to last. With Diamond Traffic Products, Accuracy Counts!