Chris Tampère | KU Leuven (original) (raw)

Books by Chris Tampère

Description Traffic assignment is a set of criteria through which the demand for mobility is dist... more Description
Traffic assignment is a set of criteria through which the demand for mobility is distributed over the links of a transport network. Over the last 30 years, Dynamic Traffic Assignment (DTA) models have been developed to support time-dependent analyses in nascent fields that need to take into account the temporal distribution of demand and supply. In this book, leading international experts in the field provide a state-of-the-art overview of fundamental DTA research and practice, identifying weaknesses and major challenges for future research.

Contents
Contributors: M. Adnan, H. Bar-Gera, M. Behrisch, M.C.J. Bliemer, G.E. Cantarella, M. Carey, Y. Chen, E. Cipriani, R. Corthout, M. Florian, G. Flötteröd, R. Frederix, T.L. Friesz, E.Y. Ge, G. Gentile, S.P. Hoogendoorn, L.H. Immers, T. Iryo, G. Kalafatas, T.I. Kim, D. Krajzewicz, M. Kuwahara, C. Kwon, M. Mahut, R. Mounce, M. Nigro, M.B. Nitzani, S. Peeta, A.J. Pel, S. Rahamim, M.A. Rigdon, M.J. Smith, K. Stewart, C.M.J. Tampère, T. Tsubota, W. van der Hoeven, H.J. van Zuylen, F. Viti, P. Wagner, Y.-P. Wang
Further information

Traffic assignment is a set of criteria through which the demand for mobility is distributed over the links of a transport network. Over the last 30 years, Dynamic Traffic Assignment (DTA) models have been developed to support time-dependent analyses in nascent fields that need to take into account the temporal distribution of demand and supply. In this book, leading international experts in the field provide a state-of-the-art overview of fundamental DTA research and practice, identifying weaknesses and major challenges for future research.

The contributors illustrate that the complexity of DTA predominantly lies in finding a convenient trade-off between mathematical rigorousness and realistic traffic and behavioural models, and that many transport measures now have a necessarily dynamic element, ranging from real-time driver information systems to congestion pricing schemes, affecting the temporal distribution of demand and supply systems. They show that developing models able to predict the effects of these measures with sufficient realism, while maintaining properties of interpretability and computational tractability, is therefore of paramount importance. These, and other important DTA issues and themes are highlighted and discussed at length, with models and applications underpinning central theories and concepts.

Drawing current research together in one key volume, this book will prove an invaluable resource for a wide-ranging audience including academics, lecturers and researchers, government agencies, consultants and practitioners engaged in transport planning.

Papers by Chris Tampère

ABSTRACT Currently, the scope of using macroscopic Dynamic Network Loading (DNL) models for appli... more ABSTRACT Currently, the scope of using macroscopic Dynamic Network Loading (DNL) models for applications such as real-time traffic management, reliability and vulnerability studies, network design and dynamic origin-destination (OD) estimation is limited by the computational overhead. The main reason is that these applications require a large number of DNL runs to be performed. Since the successive simulations often exhibit a large overlap, this problem can be overcome by introducing marginal simulation.

Steeds vaker worden verkeersstroommodellen toegepast voor de evaluatie van alternatieve infrastru... more Steeds vaker worden verkeersstroommodellen toegepast voor de evaluatie van alternatieve infrastructurele investeringen, verkeersregelingen of voor korte termijn voorspellingen van het verkeer. De hoge kosten vragen immers om een goed inzicht in de gevolgen van de mogelijke alternatieven. Voordat er wordt gesimuleerd, moet er een keuze worden gemaakt met welke simulatiemodel gewerkt wordt. Voorzichtigheid is geboden, want verschillende modellen kunnen zeer uiteenlopende resultaten geven.

SUMMARY We present an explorative analysis of an Advanced Driver Assistance system designed to wa... more SUMMARY We present an explorative analysis of an Advanced Driver Assistance system designed to warn drivers when approaching sharp decelerations in a queue tail. We give a review of different traffic flow models that can be used for the analysis. We select kinetic traffic flow models for the analysis amongst other because of their capability of reproducing different congestion patterns.

Accurate network travel time estimation is today one of the most challenging problems in traffic ... more Accurate network travel time estimation is today one of the most challenging problems in traffic theory. The mainstream research on travel time estimation concentrates on the estimation of mean route travel time or some measures of travel time reliability (ie. 10th and 90th percentiles). However, given the growing detail in travel time measurements it is also possible to estimate route travel time distributions. This serves a broader spectrum of applications and provides more usefull information.

This report has been prepared in the framework of PredicTime, a project of TNO Inro funded by the... more This report has been prepared in the framework of PredicTime, a project of TNO Inro funded by the Dutch Ministry of Economic Affairs with co-sponsorship by Vialis. PredicTime focuses on the increased need for reliable travel time prediction methods and should provide TNO Inro with thorough knowledge of this field.

Daarnaast wil ik een woord van dank richten tot de andere mensen van de afdeling Verkeerskunde. I... more Daarnaast wil ik een woord van dank richten tot de andere mensen van de afdeling Verkeerskunde. In het bijzonder aan Ir. Ruben Corthout voor zijn begeleiding tussentijds, maar ook aan Dr. Ir. Francesco Viti, voor het ontwerp van de VT-viewer en voor zijn nooit-aflatende enthousiasme om het programma werkbaar te maken.

Abstract: After a brief review of the theoretical principles of road pricing this paper presents ... more Abstract: After a brief review of the theoretical principles of road pricing this paper presents the results of a modelling exercise with the aim of ascertaining the effects of road pricing on a large road network. For the study area we chose an important part of the road network of Belgium, situated in the corridor between the main cities of Brussels and Ghent. Simulations were carried out using an elastic static traffic assignment method.

3.1 Eerder onderzoek 3.2 Opstellen van een long list van potentieel kwetsbare netwerkschakels 3.2... more 3.1 Eerder onderzoek 3.2 Opstellen van een long list van potentieel kwetsbare netwerkschakels 3.2. 1 Analyse van de fases van een incident 3.2. 2 Criteria voor het opstellen van de long list 3.2. 3 Toepassing op het studiegebied 3.3 Van een long list naar een shortlist van kwetsbare schakels 3.3. 1. Risico analyse

We hebben ons beperkt tot personenmobiliteit in Vlaanderen op korte tot lange termijn. Vanzelfspr... more We hebben ons beperkt tot personenmobiliteit in Vlaanderen op korte tot lange termijn. Vanzelfsprekend is er interactie met het vrachtvervoer en wordt ook het internationaal vervoer (lucht-en zeevaart) steeds belangrijker. Voor het personenvervoer blijft de lokale en regionale overheid echter het belangrijkste beleidsniveau, terwijl het vrachtverkeer meer een Europese bevoegdheid is. Ook kwantitatief is personenvervoer nog steeds dominant.

Met dit eindwerk sluit ik mijn loopbaan als student natuurkunde af. Ik neem dit voorwoord dan ook... more Met dit eindwerk sluit ik mijn loopbaan als student natuurkunde af. Ik neem dit voorwoord dan ook graag als dankwoord aan diegene die me steeds hebben gesteund doorheen mijn studie. Mijn ouders hebben me de kans gegeven te studeren en hebben me hierin ook steeds bijgestaan zelfs in tijden wanneer er extreme congestie in het verloop van de studie werd waargenomen, hiervoor eeuwige dank.

Abstract: When considering travel options (mode, time, route) for repeated trips, travellers valu... more Abstract: When considering travel options (mode, time, route) for repeated trips, travellers value for variability of travel time is an important component of travel cost. Dynamic Traffic Assignment (DTA) models should therefore not only predict nominal travel times in road networks, but also variability of travel times over various routes at a certain time of day.

Abstract: Critical gaps are essential parameters in the modeling of traffic operations at unsigna... more Abstract: Critical gaps are essential parameters in the modeling of traffic operations at unsignalized intersections and roundabouts, and they are main determinants in the calculation of intersection capacities. In microscopic simulation tools, they are basic vehicle-related variables, and their values and variations among the population are user-defined. Errors or oversimplifications of these basic variables may yield unrealistic results in terms of total throughput, queue lengths, waiting times, etc.

ABSTRACT In this paper a new method is presented for estimating off-line travel times out of spee... more ABSTRACT In this paper a new method is presented for estimating off-line travel times out of speed measurements along a route. The speed is being sampled at separated points and traffic flow is considered uninterrupted, like on a motorway for example. Different existing methods are compared to a new method and a validation is made on a 40km long highway road.* Keywords: Travel time estimation; Traffic flow theory; Dual loop detectors; Vehicle trajectories

A modeling technique is presented that analytically bridges the gap between microscopic behavior ... more A modeling technique is presented that analytically bridges the gap between microscopic behavior of individual drivers and the macroscopic dynamics of traffic flow. The basis of this approach is the (gas-) kinetic or mesoscopic modeling principle that considers the dynamics of traffic density and generalizations thereof as a probability density function of vehicles in different driving states.

arguments as in gas-kinetics: the duration of vehicular acceleration or deceleration is not negli... more arguments as in gas-kinetics: the duration of vehicular acceleration or deceleration is not negligible with respect to the macroscopic time scale (wave speeds); neither can one neglect the probability of new interactions occurring between vehicles before earlier interactions have been completed.

status: published, Jan 1, 1999

Associatie KULeuven. ...

Proceedings of the …, Jan 1, 2007

Associatie KULeuven. ...

status: published, Jan 1, 2001

Associatie KULeuven. ...

Transportation …, Jan 1, 2011

KULeuven. ...

Description Traffic assignment is a set of criteria through which the demand for mobility is dist... more Description
Traffic assignment is a set of criteria through which the demand for mobility is distributed over the links of a transport network. Over the last 30 years, Dynamic Traffic Assignment (DTA) models have been developed to support time-dependent analyses in nascent fields that need to take into account the temporal distribution of demand and supply. In this book, leading international experts in the field provide a state-of-the-art overview of fundamental DTA research and practice, identifying weaknesses and major challenges for future research.

Contents
Contributors: M. Adnan, H. Bar-Gera, M. Behrisch, M.C.J. Bliemer, G.E. Cantarella, M. Carey, Y. Chen, E. Cipriani, R. Corthout, M. Florian, G. Flötteröd, R. Frederix, T.L. Friesz, E.Y. Ge, G. Gentile, S.P. Hoogendoorn, L.H. Immers, T. Iryo, G. Kalafatas, T.I. Kim, D. Krajzewicz, M. Kuwahara, C. Kwon, M. Mahut, R. Mounce, M. Nigro, M.B. Nitzani, S. Peeta, A.J. Pel, S. Rahamim, M.A. Rigdon, M.J. Smith, K. Stewart, C.M.J. Tampère, T. Tsubota, W. van der Hoeven, H.J. van Zuylen, F. Viti, P. Wagner, Y.-P. Wang
Further information

Traffic assignment is a set of criteria through which the demand for mobility is distributed over the links of a transport network. Over the last 30 years, Dynamic Traffic Assignment (DTA) models have been developed to support time-dependent analyses in nascent fields that need to take into account the temporal distribution of demand and supply. In this book, leading international experts in the field provide a state-of-the-art overview of fundamental DTA research and practice, identifying weaknesses and major challenges for future research.

The contributors illustrate that the complexity of DTA predominantly lies in finding a convenient trade-off between mathematical rigorousness and realistic traffic and behavioural models, and that many transport measures now have a necessarily dynamic element, ranging from real-time driver information systems to congestion pricing schemes, affecting the temporal distribution of demand and supply systems. They show that developing models able to predict the effects of these measures with sufficient realism, while maintaining properties of interpretability and computational tractability, is therefore of paramount importance. These, and other important DTA issues and themes are highlighted and discussed at length, with models and applications underpinning central theories and concepts.

Drawing current research together in one key volume, this book will prove an invaluable resource for a wide-ranging audience including academics, lecturers and researchers, government agencies, consultants and practitioners engaged in transport planning.

ABSTRACT Currently, the scope of using macroscopic Dynamic Network Loading (DNL) models for appli... more ABSTRACT Currently, the scope of using macroscopic Dynamic Network Loading (DNL) models for applications such as real-time traffic management, reliability and vulnerability studies, network design and dynamic origin-destination (OD) estimation is limited by the computational overhead. The main reason is that these applications require a large number of DNL runs to be performed. Since the successive simulations often exhibit a large overlap, this problem can be overcome by introducing marginal simulation.

Steeds vaker worden verkeersstroommodellen toegepast voor de evaluatie van alternatieve infrastru... more Steeds vaker worden verkeersstroommodellen toegepast voor de evaluatie van alternatieve infrastructurele investeringen, verkeersregelingen of voor korte termijn voorspellingen van het verkeer. De hoge kosten vragen immers om een goed inzicht in de gevolgen van de mogelijke alternatieven. Voordat er wordt gesimuleerd, moet er een keuze worden gemaakt met welke simulatiemodel gewerkt wordt. Voorzichtigheid is geboden, want verschillende modellen kunnen zeer uiteenlopende resultaten geven.

SUMMARY We present an explorative analysis of an Advanced Driver Assistance system designed to wa... more SUMMARY We present an explorative analysis of an Advanced Driver Assistance system designed to warn drivers when approaching sharp decelerations in a queue tail. We give a review of different traffic flow models that can be used for the analysis. We select kinetic traffic flow models for the analysis amongst other because of their capability of reproducing different congestion patterns.

Accurate network travel time estimation is today one of the most challenging problems in traffic ... more Accurate network travel time estimation is today one of the most challenging problems in traffic theory. The mainstream research on travel time estimation concentrates on the estimation of mean route travel time or some measures of travel time reliability (ie. 10th and 90th percentiles). However, given the growing detail in travel time measurements it is also possible to estimate route travel time distributions. This serves a broader spectrum of applications and provides more usefull information.

This report has been prepared in the framework of PredicTime, a project of TNO Inro funded by the... more This report has been prepared in the framework of PredicTime, a project of TNO Inro funded by the Dutch Ministry of Economic Affairs with co-sponsorship by Vialis. PredicTime focuses on the increased need for reliable travel time prediction methods and should provide TNO Inro with thorough knowledge of this field.

Daarnaast wil ik een woord van dank richten tot de andere mensen van de afdeling Verkeerskunde. I... more Daarnaast wil ik een woord van dank richten tot de andere mensen van de afdeling Verkeerskunde. In het bijzonder aan Ir. Ruben Corthout voor zijn begeleiding tussentijds, maar ook aan Dr. Ir. Francesco Viti, voor het ontwerp van de VT-viewer en voor zijn nooit-aflatende enthousiasme om het programma werkbaar te maken.

Abstract: After a brief review of the theoretical principles of road pricing this paper presents ... more Abstract: After a brief review of the theoretical principles of road pricing this paper presents the results of a modelling exercise with the aim of ascertaining the effects of road pricing on a large road network. For the study area we chose an important part of the road network of Belgium, situated in the corridor between the main cities of Brussels and Ghent. Simulations were carried out using an elastic static traffic assignment method.

3.1 Eerder onderzoek 3.2 Opstellen van een long list van potentieel kwetsbare netwerkschakels 3.2... more 3.1 Eerder onderzoek 3.2 Opstellen van een long list van potentieel kwetsbare netwerkschakels 3.2. 1 Analyse van de fases van een incident 3.2. 2 Criteria voor het opstellen van de long list 3.2. 3 Toepassing op het studiegebied 3.3 Van een long list naar een shortlist van kwetsbare schakels 3.3. 1. Risico analyse

We hebben ons beperkt tot personenmobiliteit in Vlaanderen op korte tot lange termijn. Vanzelfspr... more We hebben ons beperkt tot personenmobiliteit in Vlaanderen op korte tot lange termijn. Vanzelfsprekend is er interactie met het vrachtvervoer en wordt ook het internationaal vervoer (lucht-en zeevaart) steeds belangrijker. Voor het personenvervoer blijft de lokale en regionale overheid echter het belangrijkste beleidsniveau, terwijl het vrachtverkeer meer een Europese bevoegdheid is. Ook kwantitatief is personenvervoer nog steeds dominant.

Met dit eindwerk sluit ik mijn loopbaan als student natuurkunde af. Ik neem dit voorwoord dan ook... more Met dit eindwerk sluit ik mijn loopbaan als student natuurkunde af. Ik neem dit voorwoord dan ook graag als dankwoord aan diegene die me steeds hebben gesteund doorheen mijn studie. Mijn ouders hebben me de kans gegeven te studeren en hebben me hierin ook steeds bijgestaan zelfs in tijden wanneer er extreme congestie in het verloop van de studie werd waargenomen, hiervoor eeuwige dank.

Abstract: When considering travel options (mode, time, route) for repeated trips, travellers valu... more Abstract: When considering travel options (mode, time, route) for repeated trips, travellers value for variability of travel time is an important component of travel cost. Dynamic Traffic Assignment (DTA) models should therefore not only predict nominal travel times in road networks, but also variability of travel times over various routes at a certain time of day.

Abstract: Critical gaps are essential parameters in the modeling of traffic operations at unsigna... more Abstract: Critical gaps are essential parameters in the modeling of traffic operations at unsignalized intersections and roundabouts, and they are main determinants in the calculation of intersection capacities. In microscopic simulation tools, they are basic vehicle-related variables, and their values and variations among the population are user-defined. Errors or oversimplifications of these basic variables may yield unrealistic results in terms of total throughput, queue lengths, waiting times, etc.

ABSTRACT In this paper a new method is presented for estimating off-line travel times out of spee... more ABSTRACT In this paper a new method is presented for estimating off-line travel times out of speed measurements along a route. The speed is being sampled at separated points and traffic flow is considered uninterrupted, like on a motorway for example. Different existing methods are compared to a new method and a validation is made on a 40km long highway road.* Keywords: Travel time estimation; Traffic flow theory; Dual loop detectors; Vehicle trajectories

A modeling technique is presented that analytically bridges the gap between microscopic behavior ... more A modeling technique is presented that analytically bridges the gap between microscopic behavior of individual drivers and the macroscopic dynamics of traffic flow. The basis of this approach is the (gas-) kinetic or mesoscopic modeling principle that considers the dynamics of traffic density and generalizations thereof as a probability density function of vehicles in different driving states.

arguments as in gas-kinetics: the duration of vehicular acceleration or deceleration is not negli... more arguments as in gas-kinetics: the duration of vehicular acceleration or deceleration is not negligible with respect to the macroscopic time scale (wave speeds); neither can one neglect the probability of new interactions occurring between vehicles before earlier interactions have been completed.

status: published, Jan 1, 1999

Associatie KULeuven. ...

Proceedings of the …, Jan 1, 2007

Associatie KULeuven. ...

status: published, Jan 1, 2001

Associatie KULeuven. ...

Transportation …, Jan 1, 2011

KULeuven. ...

status: published, Jan 1, 1997

Associatie KULeuven. ...