Aimsun Online is a real-time traffic forecasting solution, developed and marketed by TSS - Transport Simulation Systems based in Barcelona, Spain. Aimsun Online is used by traffic control centres to make real-time decisions about the management of a road network. It is used to dynamically forecast future traffic conditions based on the current state of the network and to evaluate incident response or traffic management strategies. Aimsun Online was launched in 2008. It is built on the Aimsun platform which allows for static and dynamic modelling within the same software application.