Duncan Cavens, Christian Gloor, Kai Nagel, Eckart Lange, Willy A. Schmid
Abstract: While the visual qualities of a landscape are often key factors in attracting and retaining tourist visitors, they have been overlooked in recent simulation approaches to recreation...
Birkmann, Jörn, Dech, Stefan, Gosebeg, Nils, Klüpfel, Hubert, Lämmel, Gregor, Moder, Florian, ...
The structure and aims of the joint research project "Numerical Last-Mile Tsunami Early Warning and Evacuation Information System (“Last-Mile – Evacuation)" is introduced in this paper. The...
Paul Waddell, Hana Ševčíková, David Socha, Eric Miller, Kai Nagel, Fachgebiet Verkehrssystemplanung
Abstract: Several research teams working on integrated land use, transportation and environmental modelling have begun an international collaboration to develop an Open Platform for Urban Simulation...
Ariane Walz, Christian Gloor, Peter Bebi, Andreas Fischlin, Eckart Lange, Kai Nagel, ...
Prominent construction projects in Switzerland, such as the Sawiris luxury resort in Andermatt planned by Orascom Hotels & Development, Cairo (Egypt), or the idea of a hotel and apartment tower at...
An Agent-Based Simulation Model of Swiss Travel: First Results (2008)
In a multi-agent transportation simulation, travelers are represented as individual “agents,” who make independent decisions about their actions. We are implementing such a simulation for all of...
Adaptation in Games with Many Co-Evolving Agents (2008)
Franziska Klügl, Kai Nagel, Inst For L, Sea Transport Systems, Tu Berlin, ...
Abstract. Despite the recent results on formalizing multiagent reinforcement learning using stochastic games, the exponential increase of the space of joint actions prevents the use of this formalism...
Multi-agent based simulation of individual traffic in Berlin (2008)
Arnd Vogel, Prof Dr, Kai Nagel
Multi-agent simulations of traffic are expected to become an important tool for transportation planning in the mid-term future. In this paper, we will give a brief introduction to this kind of...
Network breakdown “at the edge of chaos ” in multi-agent (2008)
traffic simulations
Comparing traffic flow models with different number of ''phases'' (2008)
By comparing microscopic traffic flow models with a different number of phases in the context of a simple scenario, the similarities as well as the differences of the various traffic flow models can...
Lämmel, Gregor, Rieser, Marco, Nagel, Kai, Taubenböck, Hannes, Strunz, Günter, Goseberg, Nils, ...
The “Last-Mile Evacuation” research project develops a numerical last mile tsunami early warning and evacuation information system on the basis of detailed earth observation data and techniques...
Wecarryoutanexperimentalanalysisofanumberofshortestpath(routing) (2008)
Riko Jacob, Madhav Marathe, Kai Nagel
California for the U.S. Department of Energy under contract W-7405-ENG-36. By acceptance of this article, the publisher recognizes that the U.S. Government retains a non-exclusive, royalty-free...
Spatial competition and price formation (2008)
Kai Nagel, Martin Shubik, Maya Paczuski, Per Bak
We look at price formation in a retail setting, that is, companies set prices, and consumers either accept prices or go someplace else. In contrast to most other models in this context, we use a...
Bayesian calibration of dynamic traffic simulations (2008)
Floetteroed, Gunnar, Bierlaire, Michel, Nagel, Kai
We present an operational framework for the calibration of demand models for dynamic traffic simulations. Our focus is on disaggregate simulators that represent every traveler individually. We...
Kai Nagel, Terence Kelly, Terence Kelly, Kai Nagel Y
Approved for public release; distribution is unlimited
K. Nagel, C. L. Barrett, Kai Nagel, Christopher L Barrett
contract W-7405-ENG-36. By acceptance of this article, the publisher recognizes that the U.S. Government retains a non-exclusive, royalty-free license to publish or reproduce the published form of...
contract W-7405-ENG-36. By acceptance of this article, the publisher recognizes that the U.S. Government retains a non-exclusive, royalty-free license to publish or reproduce the published form of...
Christopher L. Barrett, Nat I Ona, L L Aboratory, Kai Nagel, Kai Nagel, Paula Stretz, ...
Approved for public release; distribution is unlimited
Tra�c simulations are made more realistic by giving individual drivers intentions, i.e., an idea of where they want to go. One possible implementation of this idea is to give each driver an exact...
Approved for public release; distribution is unlimited A simple model for labor market dynamics (DRAFT, comments welcome)
Multi-agent transportation simulations represent travelers as individual "agents, " who make independent decisions about their actions. We are implementing such a simulation for all...
Los Alamos, Kai Nagel, Kai Nagel
Approved for public release; distribution is unlimited
Bryan Raney, Andreas Voellmy, Nurhan Cetin, Milenko Vrtic, Kai Nagel
Abstract Multi-agent transportation simulations are rule-based. The fact that such simulations do not vectorize means that the recent move to distributed computing architectures results in an...
Dynamic Trac Assignment on Parallel Computers (2007)
We describe part of the current framework of the TRANSIMS traf-
2001: Multi-modal traffic in TRANSIMS (2007)
Traffic simulations need to include other modes of transportation besides car. This paper explains how this can be implemented in a large scale micro-simulation package. The most important element is...
Maya Paczuski, c;3 Per Bak (2007)
We look at price formation in a retail setting, that is, companies set prices, and consumers either accept prices or go someplace else. In contrast to most other models in this context, we use a...
Apart from typographical and layout changes, this version should:--) be identical to the printed version. This paper describes the parallel implementation of the TRANSIMS traffic micro-simulation....
Dominic Jost, Dominic Jost, Kai Nagel, Kai Nagel
Abstract: There is discussion if traffic displays multiple phases (e.g. laminar, jammed, synchronized) or not. This paper presents computational evidence that a stochastic car following model, by...
Maya Paczuski, c;3 Per Bak (2007)
We look at price formation in a retail setting, that is, companies set prices, and consumers either accept prices or go someplace else. In contrast to most other models in this context, we use a...
Kai Nagel, Marcus Rickert, Patrice M. Simon
dynamics of iterated transportation simulations
Kai Nagel, Patrice M. Simon, Martin Pieck, Martin Pieck, Marcus Rickert, Marcus Rickert
Approved for public release; distribution is unlimited Comparison between three different traffic micro-simulations and reality in Dallas (DRAFT, comments welcome)
Comparing traffic flow models with different number of ”phases” (2007)
Currently, there is an ongoing debate in the traffic flow community concerning the correct empirical and theoretical description of the observations reported in [2]. Mainly three candidates are...
Beuck, Ulrike, Nagel, Kai, Justen, Andreas
Mittels des in diesem Artikel beschriebenen EVA-Ansatzes lassen sich wegzweckspezifische und zeitvariante Quelle-Ziel-Matrizen auf der Basis allgemeiner Inputdaten zur Raumstruktur und zum...
Michael Balmer, Eth Zurich, Arnd Vogel, Kai Nagel, Michael Balmer, Arnd Vogel, ...
email:
Arnd Vogel, Michael Balmer, Arnd Vogel, Kai Nagel
In a traffic network, capacities of parts of the network restrict the amount of transport units which can be handled by this network. The capacity of a given traffic network element is not fixed but...
Probabilistic traffic flow breakdown in stochastic car following models (2003)
There is discussion if traffic displays multiple phases (e.g. laminar, jammed, synchronized) or not. This paper presents computational evidence that a stochastic car following model, by changing one...
An Agent-Based Microsimulation Model of Swiss Travel: First Results (2003)
Bryan Raney, Nurhan Cetin, Andreas Vollmy, Milenko Vrtic, Kay Axhausen, Kai Nagel
In a multi-agent transportation simulation, each traveler is represented individually. Such a simulation consists of at least the following modules: (i) Activity generation. (ii) Modal and route...
A Pedestrian Simulation for Hiking in the Alps (2003)
Christian Gloor, Christian Gloor, Laurent Mauron, Kai Nagel
One goal of the project "Planning with Virtual Alpine Landscapes and Autonomous Agents" is to build a multi-agent simulation model of tourists hiking in the Alps. Such a simulation...
A large-scale agent-based traffic microsimulation based on queue model (2003)
Nurhan Cetin, Nurhan Cetin, Adrian Burri, Kai Nagel
We use the so-called queue model introducted by Gawron as the base of the traffic dynamics in our micro-simulation. The queue model describes the links with a flow capacity that limits the number of...
Probabilistic Traffic Flow Breakdown In Stochastic Car Following Models (2002)
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 one of its...
Iterative route planning for modular transportation simulation (2002)
The TRANSIMS (TRansportation ANalysis and SIMulation System) project is a large scale transportation system project produced by Los Alamos National Laboratory for transportation planning. In...
Transportation systems are complex dynamical systems whose dynamics unfolds on networks as the spatial substrate. Early approaches to the problem have similarities to the computation of equilibrium...
Parallel Queue Model Approach to Traffic Microsimulations (2002)
Nurhan Cetin, Adrian Burri, Kai Nagel
In this paper, we explain a parallel implementation of a traffic micro-simulation model based on the queue model by Gawron. Within this model, links do not only have a flow capacity that limits the...
Large scale multi-agent transportation simulations (2002)
Bryan Raney, Nurhan Cetin, Andreas Vollmy, Kai Nagel
nd
Towards a microscopic traffic simulation of all of Switzerland (2002)
Bryan Raney, Andreas Voellmy, Nurhan Cetin, Milenko Vrtic, Kai Nagel
Abstract Multi-agent transportation simulations are rule-based. The fact that such simulations do not vectorize means that the recent move to distributed computing architectures results in an...
Parallel Queue Model Approach to Traffic Microsimulations (2002)
Nurhan Cetin, Adrian Burri, Kai Nagel
In this paper, we explain a parallel implementation of a traffic micro-simulation model based on the queue model by Gawron. Within this model, links do not only have a flow capacity that limits the...
Breakdown and recovery in traffic flow models (2001)
Nagel, Kai, Kayatz, Christopher, Wagner, Peter
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 sufficiently large critical...
Parallel implementation of the TRANSIMS micro-simulation (2001)
This paper describes the parallel implementation of the TRANSIMS traffic micro-simulation. The parallelization method is domain decomposition, which means that each CPU of the parallel computer is...
Nurhan Cetin, Kai Nagel, Andreas Voellmy
It is now possible to microsimulate the traffic of whole metropolitan areas with 10 million travelers or more, "micro " meaning that each traveler is resolved individually as a...
Spatial competition and price formation (2000)
Nagel, Kai, Shubik, Martin, Paczuski, Maya, Bak, Per
We look at price formation in a retail setting, that is, companies set prices, and consumers either accept prices or go someplace else. In contrast to most other models in this context, we use a...
The dynamics of iterated transportation simulations (2000)
Nagel, Kai, Rickert, Marcus, Simon, Patrice M., Pieck, Martin
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 of simulation-based...
The dynamics of iterated transportation (2000)
Kai Nagel, Marcus Rickert, Patrice M. Simon, Pieck A
simulations
Transmins for transportation planning (1999)
Kai Nagel, Richard L. Beckman, Christopher L. Barrett
to transportation in one consistent simulation framework. The key to the TRANSIMS design is a radically microscopic simulation of the travelers. In consequence, as the rst step, a synthetic...
A computational study of routing algorithms for realistic transportation networks (1999)
Madhav Marathe, Nat I Ona, L L Aboratory, Riko Jacob, Riko Jacob, Madhav V. Marathe, ...
publisher recognizes that the U.S. Government retains a non-exclusive, royalty-free license to publish or reproduce the published form of this contribution, or to allow others to do so, for U.S....
A computational study of routing algorithms for realistic transportation networks (1999)
Riko Jacob, Kai Nagel, Madhav V. Marathe, Madhav V. Marathe
the publisher recognizes that the U.S. Government retains a non-exclusive, royalty-free license to publish or reproduce the published form of this contribution, or to allow others to do so, for U.S....
A computational study of routing algorithms for realistic transportation networks (1999)
Nat I Ona, L L Aboratory, Riko Jacob, Riko Jacob, Madhav V. Marathe, Madhav V. Marathe, ...
Los Alamos National Laboratory, an affirmative action/equal opportunity employer, is operated by the University of California for the U.S. Department of Energy under contract W-7405-ENG-36. By...
A computational study of routing algorithms for realistic transportation networks (1999)
Riko Jacob, Madhav Marathe, Kai Nagel, Madhav V. Marathe
California for the U.S. Department of Energy under contract W-7405-ENG-36. By acceptance of this article, the publisher recognizes that the U.S. Government retains a non-exclusive, royalty-free...
A Simplified Cellular Automaton Model for City Traffic (1998)
We systematically investigate the effect of blockage sites in a cellular automaton model for traffic flow. Different scheduling schemes for the blockage sites are considered. None of them returns a...
Regional transportation simulations (1998)
Christopher L, Nat I Ona, L L Aboratory, Kai Nagel, Kai Nagel, Marcus Rickert, ...
for the U.S. Department of Energy under contract W-7405-ENG-36. By acceptance of this article, the publisher recognizes that the U.S. Government retains a non-exclusive, royalty-free license to...
Regional transportation simulations (1998)
Christopher L, Kai Nagel, Kai Nagel, Marcus Rickert, Marcus Rickert, Roger Frye, ...
for the U.S. Department of Energy under contract W-7405-ENG-3. By acceptance of this article, the publisher recognizes that the U.S. Government retains a non-exclusive, royalty-free license to...
Regional transportation simulations (1998)
Christopher L, Nat I Ona, L L Aboratory, Kai Nagel, Kai Nagel, Marcus Rickert, ...
for the U.S. Department of Energy under contract W-7405-ENG-36. By acceptance of this article, the publisher recognizes that the U.S. Government retains a non-exclusive, royalty-free license to...
Relaxation Criteria For Iterated Traffic Simulations (1998)
This paper investigates several criteria to judge relaxation of the iterative process, emphasizing criteria related to traveler decision-making.
Relaxation Criteria for Iterated Traffic Simulations (1998)
Nat I Ona, L L Aboratory, Terence Kelly, Kai Nagel
Iterated transportation microsimulations adjust their travelers' route plans by iterating between the microsimulation and the route planner and adjusting the route choice of individuals based on...
The Dynamics of Iterated Transportation Simulations (1998)
Kai Nagel, Kai Nagel, Marcus Rickert, Marcus Rickert, Patrice M. Simon, Patrice M. Simon
this article, the publisher recognizes that the U.S. Government retains a non-exclusive, royalty-free license to publish or reproduce the published form of this contribution, or to allow others to do...
A Computational Study of Routing Algorithms for Realistic Transportation Networks (1998)
Riko Jacob, Madhav V. Marathe, Kai Nagel
We carry out an experimental analysis of a number of shortest path (routing) algorithms investigated in the context of the TRANSIMS (TRansportation ANalysis and SIMulation System) project. The main...
Two-lane traffic rules for cellular automata: A systematic approach (1997)
Nagel, Kai, Wolf, Dietrich E, Wagner, Peter, Simon, Patrice
Microscopic modeling of multi-lane traffic is usually done by applying heuristic lane changing rules, and often with unsatisfying results. Recently, a cellular automaton model for two-lane traffic...
Experiences with iterated traffic microsimulations in Dallas (1997)
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 microsimulation is...
TRANSIMS traffic flow characteristics (1997)
Nagel, Kai, Stretz, Paula, Pieck, Martin, Donnelly, Rick, Barrett, Christopher L.
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 transportation...
Using microsimulation feedback for trip adaptation for realistic traffic in Dallas (1997)
Nagel, Kai, Barrett, Christopher L
This paper presents a day-to-day re-routing relaxation approach for traffic simulations. Starting from an initial planset for the routes, the route-based microsimulation is executed. The result of...
Experiences with a simplified microsimulation for the Dallas/Fort Worth area (1997)
We describe a simple framework for micro simulation of city traffic. A medium sized excerpt of Dallas was used to examine different levels of simulation fidelity of a cellular automaton method for...
Individual Adaption in a Path-Based Simulation of the Freeway Network of Northrhine-Westfalia (1997)
Traffic simulations are made more realistic by giving individual drivers intentions, i.e. an idea of where they want to go. One possible implementation of this idea is to give each driver an exact...
Experiences with a simplified microsimulation for the Dallas/Fort Worth area (1997)
Marcus Rickert, Kai Nagel, K. Nagel
We describe a simple framework for microsimulation of city traffic. A medium sized excerpt of Dallas was used to examine different levels of simulation fidelity of a cellular automaton method for the...
Self-Organized Criticality and $1/f$ Noise in Traffic (1996)
Phantom traffic jams may emerge ``out of nowhere'' from small fluctuations rather than being triggered by large, exceptional events. We show how phantom jams arise in a model of single lane highway...
Individual adaption in a path-based simulation of the freeway network of Northrhine-Westfalia (1996)
Traffic simulations are made more realistic by giving individual drivers intentions, i.e. an idea of where they want to go. One possible implementation of this idea is to give each driver an exact...
Realistic Multi-Lane Traffic Rules for Cellular Automata by (1996)
Peter Wagner, Peter Wagner, Kai Nagel, Kai Nagel, Dietrich E. Wolf, Dietrich E. Wolf, ...
A set of lane changing rules for cellular automata simulating multi-lane traffic is proposed. It reproduces qualitatively that the passing lane becomes more crowded than the one for slower cars if...
Realistic Multi-Lane Traffic Rules for Cellular Automata (1996)
Peter Wagner, Peter Wagner, Kai Nagel, Kai Nagel, Dietrich E. Wolf, Dietrich E. Wolf, ...
A set of lane changing rules for cellular automata simulating multi-lane traffic is proposed. It reproduces qualitatively that the passing lane becomes more crowded than the one for slower cars if...
Two Lane Traffic Simulations using Cellular Automata (1995)
Rickert, Marcus, Nagel, Kai, Schreckenberg, Michael, Latour, Andreas
We examine a simple two lane cellular automaton based upon the single lane CA introduced by Nagel and Schreckenberg. We point out important parameters defining the shape of the fundamental diagram....
Particle hopping models and traffic flow theory (1995)
This paper shows how particle hopping models fit into the context of traffic flow theory. Connections between fluid-dynamical traffic flow models, which derive from the Navier-Stokes-equations, and...
We study a single-lane traffic model that is based on human driving behavior. The outflow from a traffic jam self-organizes to a critical state of maximum throughput. Small perturbations of the...
Two Lane Traffic Simulations using Cellular Automata (1995)
Kai Nagel, M. Schreckenberg, A. Latour, Marcus Rickert, M. Rickert
We examine a simple two lane cellular automaton based upon the single lane CA introduced by Nagel and Schreckenberg. We point out important parameters defining the shape of the fundamental diagram....
AT ZU K OLN Report No. 94.172 DISCRETE STOCHASTIC MODELS FOR TRAFFIC FLOW by (1994)
Michael Schreckenberg, Andreas Schadschneider, Kai Nagel, Nobuyasu Ito, M. Schreckenberg, A. Schadschneider, ...
Discrete stochastic models for traffic flow
Discrete Stochastic Models For Traffic Flow (1994)
Michael Schreckenberg, Andreas Schadschneider, Kai Nagel, Nobuyasu Ito, M. Schreckenberg, A. Schadschneider, ...
We investigate a probabilistic cellular automaton model which has been introduced recently. This model describes single-lane traffic flow on a ring and generalizes the asymmetric exclusion process...
Traffic At the Edge of Chaos (1994)
Kai Nagel, Kai Nagel, Steen Rasmussen, Steen Rasmussen
We use a very simple description of human driving behavior to simulate traffic. The regime of maximum vehicle flow in a closed system shows nearcritical behavior, and as a result a sharp decrease of...
Ultraschnelle Mikroskopische Verkehrssimulationen (1994)
Achim Bachem, Kai Nagel, Marcus Rickert
"Verkehrschaos" ist ein wohlbekannter Begriff der Umgangssprache, aber die wenigen Versuche, ihn auf eine wissenschaftliche Grundlage zu stellen, benutzen die Kontinuumsapproximation. Wir...
Traffic At the Edge of Chaos (1994)
We use a very simple description of human driving behavior to simulate traffic. The regime of maximum vehicle flow in a closed system shows nearcritical behavior, and as a result a sharp decrease of...
Deterministic Models for Traffic Jams (1993)
We study several deterministic one-dimensional traffic models. For integer positions and velocities we find the typical high and low density phases separated by a simple transition. If positions and...
Deterministic Models for Traffic Jams (1993)
Kai Nagel, Kai Nagel, Hans J. Herrmann, Hans J. Herrmann
We study several deterministic one-dimensional traffic models. For integer positions and velocities we find the typical high and low density phases separated by a simple transition. If positions and...
Lattice Games with Strategic Takeover (1993)
Barry Feldman, Barry Feldman, Kai Nagel, Kai Nagel
Introduction This contribution explores a topic of interest in a surprising number of physical and social sciences, the iterated Prisoner's Dilemma game. We use this game to construct a simple...
Microscopic Traffic Modeling on Parallel High Performance Computers (1993)
Kai Nagel, K. Nagel, A. Schleicher, A. Schleicher
A simple, rule-based approach to traffic flow can yield astonishingly realistic results and is therefore a candidate for very fast large scale microscopic traffic simulations. In the present article,...
Fast Low Fidelity Microsimulation Of Vehicle Traffic On Supercomputers (1993)
A set of very simple rules for driving behavior used to simulate roadway traffic gives realistic results. Because of its simplicity, it is easy to implement the model on supercomputers (vectorizing...
A cellular automaton model for freeway traffic (1992)
Nagel, Kai, Schreckenberg, Michael
We introduce a stochastic discrete automaton model to freeway traffic. Monte-Carlo simulations of the model show a transition from laminar traffic flow to start-stop-waves with increasing vehicle...
A cellular automaton model for freeway traffic (1992)
Nagel, Kai, Schreckenberg, Michael
We introduce a stochastic discrete automaton model to freeway traffic. Monte-Carlo simulations of the model show a transition from laminar traffic flow to start-stop-waves with increasing vehicle...
A cellular automaton model for freeway traffic (1992)
Nagel, Kai, Schreckenberg, Michael
We introduce a stochastic discrete automaton model to freeway traffic. Monte-Carlo simulations of the model show a transition from laminar traffic flow to start-stop-waves with increasing vehicle...
Prof Dr, Kai Nagel, Prof Dr, Kay W. Axhausen
accepted on the recommendation of
Parallel implementation of the TRANSIMS micro-simulation (1611)
This paper describes the parallel implementation of the TRANSIMS traffic micro-simulation. The parallelization method is domain decomposition, which means that each CPU of the parallel computer is...
Parallel implementation of the TRANSIMS micro-simulation (1611)
Apart from typographical and layout changes, this version should:–) be identical to the printed version. This paper describes the parallel implementation of the TRANSIMS traffic micro-simulation....
Spatial Competition and Price Formation
Kai Nagel, Martin Shubik, Maya Paczuski, Per Bak
We look at price formation in a retail setting, that is, companies set prices, and consumers either accept prices or go someplace else. In contrast to most other models in this context, we use a...
The Dynamics of Iterated Transportation Simulations
Kai Nagel, Marcus Rickert, Patrice M. Simon, Martin Pieck
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 of simulation-based...
Individual Adaptation in a Path-Based Simulation of the Freeway Network of Northrhine-Westfalia
Traffic simulations are made more realistic by giving individual drivers intentions, i.e., an idea of where they want to go. One possible implementation of this idea is to give each driver an exact...
Large scale multi-agent transportation simulations
Raney, Bryan, Voellmy, Andreas, Cetin, Nurhan, Nagel, Kai
In a multi-agent transportation simulation, each traveler is represented individually. Such simulation consist of at least the following modules: - Activity generation. For each traveler in the...
Bayesian modeling and estimation of combined route and activity location choice
This article describes a behavioral model of combined route and activity location choice. The model can be simulated by a combination of a time variant best path algorithm and dynamic programming,...
Simulation and Optimization of Trajectories in a Congested Network
The subject of this article is twofold. Firstly it describes how a dynamic macroscopic network loading model can be used to simulate the movement of arbitrarily complex individual particles (agents)...
PRELIMINARY RESULTS OF A MULTIAGENT TRAFFIC SIMULATION FOR BERLIN
ULRIKE BEUCK, KAI NAGEL, MARCEL RIESER, DAVID STRIPPGEN, MICHAEL BALMER
This paper provides an introduction to multiagent traffic simulation. It includes some description of where we are with respect to the implementation of a real-world Berlin scenario. It turns out...
Large Scale Traffic Simulations
Kai Nagel, Marcus Rickert, Christopher L. Barrett
Large scale microscopic (i.e., vehicle-based) traffic simulations pose high demands on computational speed in at least two application areas: (i) real-time traffic forecasting, and (ii) long-term...
Network Traffic as a Self-Organized Critical Phenomena
Kai Nagel, Steen Rasmussen, Christopher L. Barrett
This paper presents an overview of an approach to address complexity issues and real-life engineering problems in large, urban transportation systems. In this context we discuss the fundamental...
Particle Hopping Models and Traffic Flow Theory
This paper shows how particle hopping models fit into the context of traffic flow theory, that is, it shows connections between fluid-dynamical traffic flow models, which derive from the...
We use a very simple description of human driving behavior to simulate traffic. The regime of maximum vehicle flow in a closed system shows near-critical behavior, and as a result a sharp decrease of...
Multi-Agent Transport Simulations and Economic Evaluation
Kai Nagel, Dominik Grether, Ulrike Beuck, Yu Chen, Marcel Rieser, Kay W. Axhausen
Tolls are frequently discussed policies to reduce traffic in cities. However, road pricing measures are seldom implemented due to high investments and unpopularity. Transportation planning tools can...