Dr. Agachai Sumalee

Assistant Professor
Dr. Agachai Sumalee

Department of Civil and Structural Engineering,
The Hong Kong Polytechnic University

Tel: +852 3400-3963
Fax: +852 2334-6389
email me

 



Qualifications


Work Experiences


Specialist Experience and Expertise

Network Design, Road Pricing (also includes BOT and PFI), Dynamic Traffic Assignment, Reliability and Risk Analysis, Game Theory, Non-linear Optimization, Bilevel Optimization & MPEC, Meta-heuristic optimization (GA, SA, TS, LS, etc.), Stochastic Process, Optimal Control Theory


Research Projects Awarded

  1. Principal Investigator: Toward an optimal transport network and land use design under climate change: model and algorithm, General Research Fund (GRF), Hong Kong Research Grant Council, 2009-2012
  2. Principal Investigator: Dynamic Transport Network Reliability and Vulnerability Analysis, Competitive Earmarked Research Grant (CERG), Hong Kong Research Grant Council, 2008-2010
  3. Principal Investigator: Advanced Model for Optimal Implementation Path and Phasing of Road Pricing Scheme Design, Competitive Earmarked Research Grant (CERG), Hong Kong Research Grant Council, 2008-2010
  4. Co-Principal Investigator: Endogenous Airport Coalition and Its Effects on Airline Rivalry, University Research Grant (Interfaculty), 2008-2010 (Co-PI: Dr. Xiaowen Fu).
  5. Co-Investigator: Development of an Intelligent Transportation Systems (ITS) Testbed for Real-time Navigation and Cross-boundary Container Logistics Management, University Research Grant (Niche area project), 2008-2010 (PI: Prof. William H.K. Lam).
  6. Co-Investigator: Advanced Models for Assessing the Effects of Non-recurrent Congestion on Road Network Reliability, Competitive Earmarked Research Grant (CERG), Hong Kong Research Grant Council, 2008-2011 (PI: Prof William H.K. Lam).
  7. Co-Investigator: An Activity-based Approach for Estimation of Multi-modal Travel Demand Using Annual Traffic Census Data, University Research Grant , 2008-2010  (PI: Prof William H.K. Lam)
  8. Co-Investigator: Roadmap for Implementation of Road Pricing in Thailand: Decision Making Context, Asian Transportation Society, 2007-2008 (with Dr. Sittha Jaensirisak and Dr. Sumet Ongkittikul)
  9. Principal Investigator: Modelling and Managing Uncertainties in Dynamic Traffic Networks, University Research Grant, 2007-2008
  10. Co-Investiagtor: Sustainability Planning for Asian cities making use of Research, Know-how and Lessons from Europe (SPARKLE), European Community , 2004-2006 (with Dr. Paul Timms)
  11. Co-Investigator: Toward the Development of Techniques for Designing Equitable, Efficient & Acceptable Urban Transport Systems, Future Urban Transport Research Programme, Volvo Research Foundation,2004-2005 (with Prof. David Watling, Dr. Clas Rydergren, and Prof. Michael Patriksson)
  12. Principal Investigator: Advancing Method for Network Reliability Analysis, New Horizons Research Programme, the UK Department for Transport,2003 (with Prof. David Watling,)


Professional Engagements

  • Editor: Transport Policy(SCI journal).
  • Associate Editor: Networks and Spatial Economics: A Journal of Infrastructure Modeling and Computation (SCI journal).
  • Editorial Board Member. Journal of Advanced Transportation(SCI journal)
  • Editorial Board Member: The Open Transportation Journal
  • Committee Member: Transport Network Modelling Committee (ADB30), Transportation Research Board, National Research Council
  • Local Organizing Committee: The 18th International Symposium on Transportation and Traffic Theory (ISTTT 18), 16-18 July 2009, Hong Kong.
  • Regional Organizing Committee: The 11th International Conference on Advanced Systems for Public Transport (CASPT09), 20-22 July 2009, Hong Kong.
  • Scientific Committee: The Eastern Asia Society for Transportation Studies (EASTS)
  • Scientific Committee: the European Workshop on Evolutionary Computation in Transportation and Logistics
  • Scientific Committee: the The Portuguese Workshop on Artificial Intelligent Applications for Sustainable Transportation Systems, Guimaraes, Portugal, December 2007
  • Scientific Committee: International Conference and Workshop on Sustainable and Intelligent Transport System, University of Khon-kaen, Thailand, August 2007
  • Organizing Committee: The First International Symposium on Dynamic Traffic Assignment (DTA2006), Leeds, UK
  • Guest Editor for Journal of Advanced Transportation (special issue on Evaluation and Enhancement of Transport Network Reliability: Network Equilibrium based Approach)
  • Guest Editor for International Journal of Sustainable Transportation (special issue on Current Trend and Development of Sustainable Transport Research in Europe)
  • Guest Editor for Networks and Special Economics (special issue on Reliability and Emergency Issues in Transport Network Analysis)
  • Referee: Transport Research Part A, B, C, and D, Journal of Advanced Transportation, Transportmetrica, Transportation Research Record, Transport Review, Journal of Transport Policy, Applied Mathematic Letters, ASCE Journal of Computing in Civil Engineering, Computer-Aided in Civil and Infrastructure Engineering, European Journal of Operations Research, Computing and Operations Research


Current and Previous Research Students

  1. Paramet Luathep, (PhD) 2007-current (Thesis topic:Robust Transportation Network Design and Operation for Urban Hazard Mitigation)
  2. Renxin Zhong, (PhD) 2007-current (Thesis topic: Development of the Cell Transmission Model for Real Time Traffic Incident Management)
  3. Lucia Tian Lu Pan (MPhil) 2009 - current (Thesis topic: Dynamic Transport Network Reliability and Vulnerability Analysis)
  4. Winai Homsombat (MPhil) 2008 - current (Thesis topic: Airport Competition and Possibility of Suvarnbhumi Airport to be a Hub Airport in Southeast Asia Region)
  5. Anna Clark (PhD) 2006 - 2008 (Thesis topic: Optimal Congestion Pricing Schemes Including Heterogeneous Users and Time of Day Variations)


Honors and Awards


Journal papers and book chapters

  1. Sumalee, A., Luathep, P., Lam, W.H.K., Connors, R.D. (2009) Transport Network Capacity Evaluation and Design Under Demand Uncertainty, Transportation Research Record, 2090, p 17-28.
  2. Sumalee, A., Connors, R.D., and Luathep, P. (2009) Network Equilibrium under Cumulative Prospect Theory and Endogeneous Stochastic Demand and Supply, in Lam et al (eds) Transportation and Traffic Theory 2009: Golden Jubilee: Paper Selected for Presentation at ISTTT18, a peer reviewed series since 1959, Springer.
  3. Kurauchi, F., Uno, N., Sumalee, A., and Seto Y. (2009) Network Evaluation Based on Connectivity Vulnerability, in Lam et al (eds) Transportation and Traffic Theory 2009: Golden Jubilee: Paper Selected for Presentation at ISTTT18, a peer reviewed series since 1959, Springer.
  4. Sumalee A., Tan, Z.J., and Lam W.H.K. (2009) Dynamic stochastic transit assignment with explicit seat allocation model, Transportation Research Part B, 43(8-9), p. 895-912.
  5. Connors, R.D. and Sumalee, A. (2009) A Network Equilibrium Model with Travellers' Perception of Stochastic Travel Times, Transportation Research Part B, 43(6), 614-624.
  6. Clark, A., Sumalee, A., Shepherd, S.P., and Connors, R.D. (2009) On the existence and uniqueness of first best tolls in networks with multiple user classes and elastic demand, Transportmetrica, 5(2), p 141-157..
  7. Koh, A., Shepherd, S.P., and Sumalee, A. (2009) Second Best Toll and Capacity Optimisation in Networks: Solution Algorithm and Policy Implications, Transportation, 36(20), p147-165.
  8. Sumalee, A., Shepherd, S.P., and May, A.D. (2009) Road User Charging Design: Dealing with Multi-Objectives and Constraints, Transportation, 36(2), p167-186.
  9. Li Z.C., Lam W.H.K., and Sumalee A. (2008) Modeling the impacts of transit operators’ fleet size under various market regimes with uncertainty in network, Transportation Research Record, 2063, 18-27.
  10. Lam, W.H.K., Shao, H., and Sumalee, A. (2008) Modeling impacts of adverse weather conditions on a road network with uncertainties in demand and supply, Transportation Research Part B, 42(10), 890-810
  11. Kurauchi, F. and Sumalee A. (2008) Guest Editorial: Evaluation and Enhancement of Transport Network Reliability: Network Equilibrium Based Approach, Journal of Advanced Transportation, 42(3), p209-212
  12. Sumalee, A. and Watling, D.P. (2008) Partition-based approach for estimating travel time reliability with dependent failure probablity, Journal of Advanced Transportation, 42(3), 213-238
  13. Sumalee, A. and Emberger G. (2008) Editorial on Current Trend and Development of Sustainable Transport Research in Europe, International Journal of Sustainable Transport, 2(1), p 1-2.
  14. Vanitchakornpong, K., Indra-Payoong, N., Sumalee A., Raothanachonkun R. (2008) Constrained Local Search Method for Bus Fleet Scheduling Problem with Multi-depot with Line Change, In M. Giacobini et al. (Eds.): EvoWorkshops 2008, Lecture Note in Computer Science (LNCS), 4974, p 679–688, Springer-Verlag Berlin Heidelberg
  15. Sumalee A.(2008) Genetic Algorithm with Constraint Relaxation Approach for Constrained Optimal Toll Ring Design, in Fink A. and Rothlauf F. (eds.) Advances in Computational Intelligence in Transportation and Logistics, Springer, Berlin.
  16. Tan, Z.J., Li, Z.C., Lam, W.H.K, and Sumalee A. (2008) Modelling the effects of multi-modal traveller information systems, Journal of Eastern Asia Society for Transportation Studies, 7, p 328-343.
  17. Asano M, Sumalee, A. , Kuwahara M, and Tanaka S. (2008) Dynamic Cell-Transmission-Based Pedestrian Model with Multidirectional Flows and Strategic Route Choices,Transportation Research Record, 2039, 42-49
  18. May, A D, Shepherd S P, Koh A and Sumalee A (2007) “Design tools for road pricing cordons” in Harry W. Richardson and Chang-Hee Christine Bae, eds. (2007), Road Congestion Pricing: Lessons from Europe and their Implications for the United States. Cheltenham: Edward Elgar: 138-155.
  19. Uchida K., Sumalee A., Watling D.P., and Connors R. (2007) A Study on Network Design Problems for Multi-modal Networks by Probit-based Stochastic User Equilibrium, Networks and Spatial Economics, 7(3).
  20. Connors R., Sumalee A., and Watling D.P.(2007) Sensitivity Analysis of the Variable Demand Probit Stochastic User Equilibrium with Multiple User-Classes, Transportation Research Part B,41(6).
  21. Maruyama T. and Sumalee A. (2007) Efficiency and Equity Comparison of Cordon and Area based Road Pricing Schemes Using a Trip-chain Equilibrium Model, Transportation Research Part A, 41(7).
  22. Sumalee A. (2007) Multi-concentric optimal charging cordon design, Transpormetrica, 3(1), p 41-71.
  23. Teklu F., Sumalee A., and Watling D.P. (2007) A Genetic Algorithm Approach for Optimising Traffic Control Signals Considering Routing, Journal of Computer-Aided Civil and Infrastructure Engineering, 22(1), p 31-43.
  24. Sumalee A. and Kurauchi F. (2006) Guest Editorial: Reliability and Emergency Issues in Transportation Network Analysis, Networks and Spatial Economics, 6(3-4), p169-172
  25. Sumalee A. and Kurauchi F. (2006) Network Capacity Reliability Analysis Considering Traffic Regulation After a Major Disaster, Networks and Spatial Economics, 6(3-4), p 205-219.
  26. Sumalee A., Watling D.P., and Nakayama S. (2006) Reliable Network Design Problem: the case with stochastic demand and total travel time reliability, Transportation Research Record, 1964, p 81-90.
  27. Sumalee A. (2005) Optimal Implementation-Path of Road Pricing Schemes with Time-Dependent Model, , Journal of Eastern Asia Society for Transportation Studies, 6, p 624-639.
  28. Uchida, K., Sumalee A., Watling D.P., and Kagaya, S. (2005) A Study on the Stability of the Probit-Based Multi-Modal Transport Assignment Model, Journal of Eastern Asia Society for Transportation Studies, 6, p 107-118.
  29. Connors, R., Sumalee A., and Watling D.P. (2005) Equitable Network Design, Journal of Eastern Asia Society for Transportation Studies, 6, p 1382-1397. (awarded Outstanding paper prize during the EASTS conference, Bangkok, Thailand)
  30. Sumalee A., May A.D., and Shepherd, S.P. (2005) Comparison of judgmental and optimal road pricing cordons, Journal of Transport Policy, 12(5), p 384-390.
  31. Uchida K., Sumalee A., Watling D.P., and Connors R. (2005) A Study on Optimal Frequency Design Problem for Multi-modal Network using Probit-based User Equilibrium Assignment, Transport Research Record, 1923, p 236-245.
  32. Sumalee A., Connors R., and Watling D.P. (2005) Optimal toll design problem with improved behavioural equilibrium model: the case of Probit model, Hearn D., Lawphongpanich S., and Smith M. (eds) Mathematical and Computational Models for Congestion Charging, Springer, Berlin.
  33. Sumalee A. (2004), Optimal Road User Charging Cordon Design: A Heuristic Optimisation Approach, Journal of Computer-Aided Civil and Infrastructure Engineering 19, p 377-392
  34. Shepherd S.P. and Sumalee A. (2004), A genetic algorithm based approach to optimal toll level and location problem, Networks and Spatial Economics 4, p 161-179
  35. May, A.D., Shepherd S.P., and Sumalee A. (2004), Optimal Locations and Charges for Cordon Schemes in Santos G. (eds.). Road pricing: Theory and Practice, Elsevier
  36. Sumalee A. and Watling D.P. (2003), Travel time reliability in a network with dependent link modes and partial driver response, Journal of the Eastern Asia Society for Transportation Studies,5,p 1687-1701 (awarded Outstanding paper prize during the EASTS conference, Fukuoka, Japan)
  37. Ongkittikul, S. and Sumalee A. (2003), Rail Franchise Bidding Model with Technology Investment Decision: The Stackelberg Game Approach, Journal of the Eastern Asia Society for Transportation Studies, 5, p 3221-3236
  38. Sumalee A.(2003), Optimal Toll Ring Design with Equity Constraint: An Evolutionary Approach, Journal of the Eastern Asia Society for Transportation Studies, 5, p 1813-1828
  39. Sumalee A., Shepherd S.P, May A.D. (2003), The effect of demand variations on the location of optimal road pricing cordon, in Bell, M.G.H.and Iida, Y. (eds.) Transport Network Reliability Analysis, Pergamon
  40. May A.D, Milne D.S., Shepherd S.P, and Sumalee A. (2002), Specification of Optimal Cordon Pricing Locations and Charges, Transportation Research Record, 1812, p60-68
  41. May A.D, Liu R, Shepherd S.P, and Sumalee A. (2002), The impact of cordon design on the performance of road pricing schemes, Journal of Transport Policy, 9, p209-220

Thesis and book

- Jaensirisak, S. and Sumalee A.(2008), Developing Sustainable Urban Land Use and Transport Strategies: A Decision Makers?Guidebook, Translated version of May et al (2003), National Research Council, Bangkok, Thailand
- Sumalee, A. (2004) Optimal Road Pricing Scheme Design, PhD thesis, Institute for Transport Studies, University of Leeds, UK.

Refereed conference proceeding

  1. Sumalee, A. and Xu W. (2008) The Marginal Cost Pricing Under Stochastic Network, Proc of the 13th Hong Kong Society of Transport Studies Conference, Hong Kong.
  2. Shepherd, S. and Sumalee A. (2008) A Note on Toll Competition on Private Roads: To lead or not to lead?, Proc of the 13th Hong Kong Society of Transport Studies Conference, Hong Kong.
  3. Zhang, Y.Q., Lam, W.H.K., and Sumalee A. (2008) Schedule-based transit assignment model in transit networks with recurrent uncertainties, Proc of the 13th Hong Kong Society of Transport Studies Conference, Hong Kong.
  4. Raothanakun, P., Indra-Payoong, N., and Sumalee A.(2008) A practical approach to determine bus frequencies: an empirical study of Bangkok bus service, Proc of the 13th Hong Kong Society of Transport Studies Conference, Hong Kong.
  5. Lam, W.H.K., Tam, M.L., Sumalee, A. et al (2008) Incident detection based on short-term travel time forecasting, Proc of the 13th Hong Kong Society of Transport Studies Conference, Hong Kong.
  6. Nishiuchi, H., Sumalee A., Miska, M., Warita, H., and Kuwahara, M. (2008) Temporal-Spatial OD Traffic Volume Correlation on the Tokyo Metropolitan Expressway, Proc. of Infrastructure Planning, Vol. 38, CD-ROM..
  7. Vanitchakornpong K., Indra-Payoong, N.,Sumalee A., and Raothanachonkun P. (2008) Constrained Local Search Method for Bus Fleet Scheduling Problem with Multi-depot with Line Change, Evoworkshop 2008, LNCS 4974, p. 679-688
  8. Sumalee A., Luathep P., and Lam W.H.K. (2008) Robust Transport Network Capacity Planning with Demand Uncertainty, in Mao B., Tian Z., Huang H.J., and Gao Z.Y. (eds) Proc. of the Sixth International Conference on Traffic and Transportation Studies
  9.  Sumalee A., Zhong, R., Szeto, W.Y., and Pan T. (2008) Stochastic Cell Transmission Model: Traffic State Estimation Under Uncertainties, in Mao B., Tian Z., Huang H.J., and Gao Z.Y. (eds) Proc. of the Sixth International Conference on Traffic and Transportation Studies.
  10. Sumalee A., Zhong, R., and Lam W.H.K. (2008) Dynamic User Equilibrium with Side Constraints: Interpretation and Application to Traffic Management, Proc. of Infrastructure Planning, Vol. 37, CD-ROM..
  11. Sumalee A., Zhong, R., Szeto, W.Y., and Pan T. (2008) Stochastic Cell Transmission Model Under Demand and Supply Uncertainties, Proc. of The Second Symposium of Dynamic Traffic Assignment, Leuven, Belgium.
  12. Kurauchi, F., Sumalee, A. and Horiba, S. (2007) Routing/Scheduling Model for Demand Responsive Transport Considering Passengers’ Mode Choice, Proc. of Infrastructure Planning, Vol. 35, CD-ROM.
  13. Luathep, P., Sumalee, A., Lam, W.H.K., and Connors, R.D. (2007) Second-order capacity reliability evaluation for transportation network under uncertain travel demand, Proc of the 12th Hong Kong Society of Transport Studies Conference, Hong Kong.
  14. Koh, A., Shepherd, S.P., and Sumalee, A. (2007) Second Best Toll and Capacity Optimisation in Networks, Proc of the 12th Hong Kong Society of Transport Studies Conference, Hong Kong.
  15. Zhong, R. Sumalee, A.(2007) Stochastic Cell Transmission Model: Traffic State Estimation and Control Under Uncertainties, Proc of the 12th Hong Kong Society of Transport Studies Conference, Hong Kong.
  16. Connors, R.D. and Sumalee, A. (2007) Network Equilibrium under Cumulative Prospect Theory, Proc of the 12th Hong Kong Society of Transport Studies Conference, Hong Kong.
  17. Kurauchi, F. and Sumalee, A., Tamura, H, and Uno, N. (2008) Bilevel Programming Problem for Analysing Capacity Vulnerability in a Transportation Network under Limited Damage, Prof of the Third International Symposium on Transportation Network Reliablity (INSTR), Delft, The Netherlands
  18. Koh, A., Shepherd, S.P. and Sumalee, A. (2007) Second Best Toll and Capacity Optimisation in Networks, Proc. of the 39th Annual UTSG Conference, Leeds, UK.
  19. Asano M, Sumalee, A. , Kuwahara M, and Tanaka S. (2007) Dynamic Cell-Transmission-Based Pedestrian Model with Multidirectional Flows and Strategic Route Choices, Proc. of the 86th Annual Transportation Research Board Meeting, 21-25 Jan 2007, Washington DC, USA.
  20. Iryo T. and Sumalee, A. (2007) Theory of Travel Time Estimation Under Equilibrated Traffic Network and Special Case with Complete OD Network, Proc. of the 86th Annual Transportation Research Board Meeting, 21-25 Jan 2007, Washington DC, USA.
  21. Iryo T. and Sumalee, A. (2006) A Theory of Travel Time Estimation Under Equilibrated Traffic Network, Proc. of the 11th Hong Kong Society for Transportation Studies Annual Conference, 9-11 December 2006, Hong Kong.
  22. Asano M, Kuwahara M, Sumalee, A. ., Tanaka S., and Chung E. (2006) Pedestrian simulation considering stochastic route choice and multi-directional flow, Proc of International Symposium of Transport Simulation, 4-6 September 2006, EPFL, Lausanne, Switzerland.
  23. Sumalee, A. and Kuwahara M. (2006) A Descend-Direction Based Algorithm for DUE Assignment, Proc. of The First International Symposium in Dynamic Traffic Assignment, 21-23 June 2006, University of Leeds, Leeds, UK.
  24. Iryo T. and Sumalee, A. (2006). A theory of network congestion estimation with travel time data on limited links, Proc. of the 37th Annual UTSG conference, Dublin, Ireland.
  25. Sumalee, A. , Connors R., and Batley R. (2005) The applicability of prospect theory to the analysis of transport networks, Proc. of European Transport Conference, Strasbourg, France.
  26. Smith M.J., Mounce R., Connors R., Sumalee, A. and Watling D. (2005). Bilevel optimisation: A new general method applicable to deterministic and stochastic equilibrium models, Proc. of the 4th International Conference on Mathematics in Transport, London, UK.
  27. Connors R., Sumalee, A. , and Watling D.P. (2005) Sensitivity Analysis of Network Equilibria: A Comparison of Theoretical Obstacles for UE and SUE, Proc. of the 4th International Conference on Mathematics in Transport, London, UK.
  28. Asano M., Kuwahara M., Tanaka S., Sumalee, A. , Chung E. (2005) Dynamic Pedestrian Modelling Considering Hierarchical Route Choice Behaviour, JSCE Infrastructure Planning Winter Conference, Japan.
  29. Sumalee, A. (2005), Optimal Implementation-Path of Road Pricing Schemes with Time-Dependent Model, Proc. of the 37th UTSG Annual Conference, Bristol, UK (awarded the Smeed Prize).
  30. Connors, R., Sumalee, A. , and Watling, D.P. (2005), Equitable Network Design, Proc. of the 37th UTSG Annual Conference, Bristol, UK.
  31. Sumalee, A. (2004), Preference Articulation Paradigms and Multiobjective Optimization for Transport Policy: Application of Road Pricing Design, Proc. of the 9th Hong Kong Society of Transport Studies Conference, Hong Kong.
  32. Sumalee, A. and Watling, D.P. (2004), Evaluating travel time reliability with multi-mode and dependent link failure: Partition algorithm and Stratified Monte-Carlo approach, Proc. of the 2nd International Symposium on Transportation Network Reliability, Christchurch and Queenstown, New Zealand.
  33. Sumalee, A. and Watling, D.P. (2004), Reliable Network Design Problem, Proc. of the 2nd International Symposium on Transportation Network Reliability, Christchurch and Queenstown, New Zealand.
  34. Connors, R.D., Sumalee, A. , and Watling, D.P. (2004), A Whole-Link Model for Dynamic Traffic Assignment with Between-Day Variation in Demand, Proc. of the 2nd International Symposium on Transportation Network Reliability, Christchurch and Queenstown, New Zealand.
  35. Connors, R.D., Sumalee, A. ., Watling D.P. (2004), Solving Continuous Network Design Problem with Probit Equilibrium: Implicit Programming and Sensitivity Analysis Approach, Selected Proc. of the 10th World Conference on Transport Research, Istanbul, Turkey
  36. Connors, R.D., Sumalee, A. , and Watling, D.P. (2004), Network Design Problem with Elastic Probit Users?Equilibrium, Proc. of the 5th Triennial Symposium on Transportation Analysis, Le Gosier, Guadeloupe, French West Indies.
  37. Sumalee, A. (2004), Multi-objective optimization approach to optimal toll ring design, to Proc. of the 5th Triennial Symposium on Transportation Analysis, Le Gosier, Guadeloupe, French West Indies.
  38. Sumalee, A. (2004), An Innovative Approach to Option Generation for Road User Charging Schemes Design: Constrained and Multi-Criteria Design, Proc. of the 10th World Conference on Transport Research, Istanbul, Turkey.
  39. Connors, R.D., Sumalee, A. , Watling D.P. (2004), Understanding the Variable Demand Probit-based Network Design Problem, Proc. of the University of Transport Studies Group Conference, University of Newcastle, UK
  40. May A.D. and Sumalee, A. (2003) One step forwards, two steps back? An overview of road pricing application and research outside the US (Resource paper), Proc. of the TRB International Symposium on Road Pricing, Key Biscayne, USA.
  41. Kurauchi, F., Sumalee, A. , and Iida, Y.(2003), Road Network Capacity Reliability After a Major Earthquake: A Merit Function Based Approach , submitted to Proc. of the 5th Eastern Asia Society for Transportation Studies, Fukuoka, Japan.
  42. Sumalee, A. , Ongkittikul, S., and Jaensirisak S. (2003), The Trend in European Transport Research and its Implication to Thailand, Proc. of the National Transport Research Conference, Bangkok, Thailand
  43. Sumalee, A. (2003), A Genetic Algorithms and Branch Tree Approach to Optimal Closed Charging Cordon Design, Proc. of the University of Transport Studies Group Conference, University of Loughborough, UK
  44. Emberger G., May A.D., Shepherd S.P., and Sumalee, A. (2003), Method to Identify Optimal Land Use and Transport Policy Packages, Proc. of the 9th TRB Conference on the Application of Transportation Planning Methods, Louisiana, USA.
  45. Sumalee, A. , May A.D, and Milne D.S. (2002), Optimal locations for road pricing cordons, Proc. of the International Conference on Seamless and Sustainable Transport, Singapore
  46. May A.D., Shepherd S.P., Sumalee, A. (2002), Optimal cordon design, Proc of the 10th IEEE international conference on road transport information and control, London, UK
  47. May A.D., Milne D.S., Shepherd S.P., Sumalee, A. (2002), The specification of optimal cordon pricing locations and charges, Proc 80th Annual Transport Research Board Meeting, Washington D.C., USA.
  48. Jaensirisak S., Sumalee, A. , and May A.D.(2002), Assessment of Congestion Charging Schemes: UK case study, Proc. of the Eighth National Convention on Civil Engineering, Khon Kaen University, Thailand
  49. Sumalee, A. and Shepherd S.P.(2002), A genetic algorithms based approach to optimal toll location problem, Proc. of the European Transport conference, Cambridge, UK
  50. Shepherd S.P., May A.D., Milne D.S., Sumalee, A. (2001), The practical algorithm for optimal toll location problem, Proc. of European Transport Conference, Cambridge,UK.

Working papers and Reports

- Watling D.P., Sumalee A., Connors R., and Balijepalli C. (2004) Advancing methods for evaluating network reliability, Final Report for the UK Department for Transport.
- Sumalee A. with Shepherd et al (2003) Procedures for Recommending Optimal Sustainable Planning of European City Transport Systems, Deliverable 8: Forecasting and Analysis, European Commission
- Sumalee A. (2002) Analysing practical design criteria for charging cordons, ITS Working paper no 574, Institute for Transport Studies, University of Leeds, UK

Invited Presentations and Lectures

- March 2007: Invited seminar at Department of System Engineering and Engineering Management, the Chinese University of Hong Kong (title: Optimal Road User Charging Scheme Design).
- November 2006: Invited Lecture at Department of Urban Planning and Management, Kyoto University, Kyoto, Japan (title: Reliable Network Design Problem under Uncertain Demand and Route Choice Uncertainties).
- July 2006: Invited seminar at The Hong Kong Polytechnic University, Hong Kong (title: A theory of network congestion estimation with travel time data on limited links.
- January 2006: Invited seminar at Department of Industrial Engineering, University of Florida (title: A Theory of Network Congestion Estimation with Travel Time Data on Limited Links).
- August 2005: Invited presentation at The Symposium on Theory and Practice of Congestion Pricing: “The success and failure of traffic demand management measures? Napier University, Edinburgh (title: Optimal Road Pricing Scheme Deisgn: can we get both optimality and practicality?).
- June 2005: Invited lecture at Department of Civil Engineering Studies, Kobe University, Kobe, Japan (title: Toward a unified framework of doubly dynamic traffic modelling: integration of day-to-day and within day dynamics).
- February 2005: Invited talk for CIVITAS/TELLUS Workshop on Urban Road Pricing for Sustainable Cities, University of Berlin, Germany (title: How to design a charging cordon scheme?: A new optimisation approach).
- February 2005: Invited talk for JOTTER II workshop at University of Regio Calabria, Italy (title: Reliability analysis and planning under disaster condition).
- October 2004: Invited presentation at the 3rd Conference on Applied Infrastructure Economics, University of Berlin, Germany (title: Optimal Road Pricing Scheme Design).
- February 2004: Invited talk for Operations Research Seminar Series at the Judge Institute of Management, University of Cambridge (title: The Probit-based Network Design Problem).
- December 2003: Invited talk at Department of Land Transport, Bangkok, Thailand (title: Reliable Transport Planning and Logistics Impact of FTA).
- November 2003: Invited presentation at the New Trend in Transport Studies Workshop, Kyoto University, Japan (title: Multi-Criteria Approach to Charging Cordon Design).
- November 2003: Key note paper for the International Symposium on Road Pricing, Key Biscayne, Florida (paper: May A.D. and Sumalee A. (2003) One step forwards, two steps back? An overview of road pricing application and research outside the US).
- August 2003: Invited presentation at International Symposium on the Theory and Practice of Congestion Charging, Imperial College, London (title: Identifying Optimal Locations for Road Pricing Cordons).

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