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- W4308713010 abstract "With the use of simulations of a stochastic microscopic traffic model in the framework of the three-phase traffic theory, we have revealed the statistical physics of a traffic flow instability with respect to a transition from synchronized flow (S) to free flow (F) (Kerner's $mathrm{S}ensuremath{rightarrow}mathrm{F}$ instability) at a moving bottleneck (MB) occurring through a slow-moving vehicle in vehicular traffic. We have found that the $mathrm{S}ensuremath{rightarrow}mathrm{F}$ instability can occur at the MB more frequently than at an on-ramp bottleneck. From a comparison of the occurrence of the $mathrm{S}ensuremath{rightarrow}mathrm{F}$ instability at the MB and on-ramp bottleneck at the same probability of traffic breakdown and the same flow rate it has been found that, whereas the frequency of the $mathrm{S}ensuremath{rightarrow}mathrm{F}$ instability at the on-ramp bottleneck barely changes, the larger the velocity of the MB, the more frequently the $mathrm{S}ensuremath{rightarrow}mathrm{F}$ instability occurs at the MB. Contrarily, when the MB velocity decreases considerably, then rather than the $mathrm{S}ensuremath{rightarrow}mathrm{F}$ instability, in synchronized flow at the MB the classical traffic flow instability leading to the emergence of wide-moving jams ($mathrm{S}ensuremath{rightarrow}mathrm{J}$ instability) occurs. It has been found that the physics of the intensification of the $mathrm{S}ensuremath{rightarrow}mathrm{F}$ instability at the MB with the increase in the MB velocity is associated with the increase in the mean space gap (mean time headway) between vehicles in synchronized flow. For this reason, when the MB velocity increases, there is an MB velocity at which the $mathrm{S}ensuremath{rightarrow}mathrm{F}$ instability dominates the $mathrm{S}ensuremath{rightarrow}mathrm{J}$ instability: The MB velocity influences considerably on the competition between the $mathrm{S}ensuremath{rightarrow}mathrm{F}$ and classical traffic flow instabilities in synchronized flow." @default.
- W4308713010 created "2022-11-14" @default.
- W4308713010 creator A5014449031 @default.
- W4308713010 creator A5024990133 @default.
- W4308713010 creator A5059415497 @default.
- W4308713010 creator A5090927335 @default.
- W4308713010 date "2022-11-10" @default.
- W4308713010 modified "2023-09-24" @default.
- W4308713010 title "Statistical physics of the development of Kerner's synchronized-to-free-flow instability at a moving bottleneck in vehicular traffic" @default.
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