Traffic engineers call this the fundamental diagram of traffic flow, a macroscopic model that balances traffic flux (the number of vehicles per hour) with the traffic density (the number of ...

Nicholas Polson, Vadim Sokolov, BAYESIAN ANALYSIS OF TRAFFIC FLOW ON INTERSTATE I-55: THE LWR MODEL, The Annals of Applied Statistics, Vol. 9, No. 4 (December 2015), pp. 1864-1888 ...