High-accuracy data is essential for effective and safe traffic management. In order to collect those data, you need traffic detectors that perfectly match the requirements of the respective application. Artificial intelligence applications have been slowly emerging in the traffic industry. Advanced technologies such as machine vision, thermal imagining, Wi-Fi technology, analytics-driven video solutions or even drone technologies are used to detect traffic. What are the latest trends? And which detection technologies are also used for enforcement purposes and electronic tolling?