Rethink everything you thought you knew about portable traffic signals. Introducing SiigSense™ by Siignals - the game changing smart portable traffic system the industry has been waiting for. SiigSense™ redefines, delivering industry firsts to portable traffic signal operation, such as the hi-tech SiigSense™ touch screen controller, Prioritised Demand Strategy (PDS) and Adaptive Ambient Diming (AAD). The results are improved traffic flow, ease of operation, real time system reporting, reductions in operating costs, time on site and numerous environment benefits.