5 papers
Probabilistic Traffic Flow Breakdown In Stochastic Car Following Models
Dominic Jost, Kai Nagel
There is discussion if traffic displays multiple phases (e.g. laminar, jammed, synchronized) or not. This paper presents evidence that a stochastic car following model, by changing…
Breakdown and recovery in traffic flow models
Kai Nagel, Christopher Kayatz, Peter Wagner
Most car-following models show a transition from laminar to ``congested'' flow and vice versa. Deterministic models often have a density range where a disturbance needs a sufficien…
The dynamics of iterated transportation simulations
Kai Nagel, Marcus Rickert, Patrice M. Simon +1
Iterating between a router and a traffic micro-simulation is an increasibly accepted method for doing traffic assignment. This paper, after pointing out that the analytical theory…
Experiences with iterated traffic microsimulations in Dallas
Kai Nagel
This paper reports experiences with iterated traffic microsimulations in the context of a Dallas study. ``Iterated microsimulations'' here means that the information generated by a…
TRANSIMS traffic flow characteristics
Kai Nagel, Paula Stretz, Martin Pieck +2
Knowledge of fundamental traffic flow characteristics of traffic simulation models is an essential requirement when using these models for the planning, design, and operation of tr…