Transport for New South Wales (TfNSW) and Roads and Maritime Services (RMS) are developing an innovative, multi-layered traffic model of Sydney's central business district (CBD) to test the impacts of a wide range of projects, particularly the introduction of light rail through the city center. The model spans a large urban area, covering most of the possible rerouting impacts resulting from the light rail. While large-area models are nothing new, the mesoscopic model is one of the first of its size to provide operational modeling in such detail. It is even able to accurately mimic a SCATS traffic control system and offer close detail at intersections, which was previously only possible in small-area microscopic level models. It is the attainment of such breadth of scope combined with such depth of detail that makes the Sydney CBD model so innovative.
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