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In the present paper multilane models for vehicular traffic are considered. A microscopic multilane model based on reaction thresholds is developed. Based on this model an Enskog- like kinetic model is developed. In particular, care is taken to incorporate the correlations between the vehicles. From the kinetic model a fluid dynamic model is derived. The macroscopic coefficients are deduced from the underlying kinetic model. Numerical simulations are presented for all three levels of description in A. Klar and R. Wegener, SIAM J. Appl. Math., 59 (1999), pp. 1002--1011. Moreover, a comparison of the results is given there.
Klar et al. (Thu,) studied this question.