Figure 1 : Interactive 3D visualization of urban traffic (Left); Augmenting a satellite earth map of a metropolitan region with real-time moving traffic consisted of tens of thousands of vehicles using our method (Right). Abstract We present a novel, real-time algorithm for modeling large-scale, realistic traffic using a hybrid model of both continuum and agentbased methods for traffic simulation. We simulate individual vehicles in regions of interest using state-of-the-art agent-based models

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... driver behavior and use a faster continuum model of traffic flow in the remainder of the road network. Our key contributions are efficient techniques for the dynamic coupling of discrete vehicle simulation with aggregate behavior of continuum traffic. We demonstrate the flexibility and scalability of our interactive visual simulation techniques on extensive road networks using both realworld traffic data and synthetic scenarios.