Professor Hong K. LO , JP  (羅康錦)

Chair Professor of Department of Civil and Environmental Engineering

Director of GREAT Smart Cities Institute

The Hong Kong University of Science and Technology (spectacular view!)

Clear Water Bay, Hong Kong

Tel: (852) 2358-8742

Fax: (852) 2335-5493

Email: cehklo@ust.hk

 

Professor Hong K. LO is Chair Professor of Civil and Environmental Engineering and Director of GREAT Smart Cities Institute of the Hong Kong University of Science and Technology. His expertise includes dynamic transportation system modeling, traffic control, network reliability, and public transportation analysis. He has published extensively in the transportation literature and was selected as one of the Most Cited Researchers in Civil Engineering in the Academic Ranking of World Universities (ARWU) 2016. Professor Lo is very active in the transportation community, for instance, elected as Convener of the International Scientific Committee of the conference series Advanced Systems for Public Transportation (CASPT), serves as Founding Editor-in-Chief of Transportmetrica B: Transport Dynamics, Managing Editor of Journal of Intelligent Transportation Systems, and on the editorial boards of many international journals, including Transportation Research Part B, International Journal of Sustainable Transportation, ASCE Journal of Urban Planning and Development, among others. Locally, he served on the Transport Advisory Committee (TAC) advising the Chief Executive in Council of the Hong Kong government, Hong Kong-Zhuhai-Macau Bridge Feasibility Study Expert Panel, Vice-President of the Hong Kong Society for Transportation Studies, Convener of Railway Objections Hearing Panel, etc. Recently, he has been appointed as a Member of the Independent Review Committee on Hong Kong’s Franchised Bus Service. Professor Lo was awarded the prestigious triennial World Conference on Transportation Research (WCTR) Prize in 2001, Eastern Asia Society for Transportation Studies (EASTS) Outstanding Paper Award in 2003, and Hong Kong Institution of Engineers (HKIE) Transactions Prize in 2000, more recently, HKUST School of Engineering Research Excellence Award in 2014. Prof Lo has been appointed as Justice of the Peace (JP) by the Hong Kong government, and is a Fellow of The Hong Kong Institution of Engineers (HKIE), Fellow of the Chartered Institute of Logistics and Transport (CILT), Fellow of the Hong Kong Institute of Highway and Transportation (IHT), and Fellow of the Hong Kong Society for Transportation Studies.

 

EXPERIENCE

The Hong Kong University of Science and Technology, Hong Kong
Department of Civil and Environmental Engineering

  • Chair Professor, 2014 -
  • Department Head, 2015-2021

GREAT Smart Cities Institute

  • Director, 2018 -

School of Engineering

  • Associate Dean, 2011-2015

 

University of California, Berkeley
Institute of Transportation Studies

*       Assistant Research Engineer (PATH program)

Oak Ridge National Laboratory, Oak Ridge
Center for Transportation Analysis

*       Postdoctoral Research Staff

 

 

SELECTED PROFESSIONAL ACTIVITIES

International

*       Convener, International Scientific Committee of Conference on Advanced Systems for Public Transport (CASPT), 2012 -

*       Founding Editor-in-Chief, Transportmetrica B: Transport Dynamics (2015 SCI Impact Factor: 2.56; 2014 SCI Impact Factor 2.417) (download inaugural issue)

*       Managing Editor, Journal of Intelligent Transportation Systems

*       Editor, Journal of Transport and Land Use (former)

*       Associate Editor, Transportmetrica A: Transport Science

*       Senior Editor, Public Transport: Planning and Operations

*       Editorial Board, Transportation Research Part B (former)

*       Editorial Board, ASCE Journal of Urban Planning and Development (former)

*       Editorial Board, Journal of Advanced Transportation (former)

*       Editorial Board, International Journal of Sustainable Transportation

*       Chair of Organizing Committee, 11th International Conference on Advanced Systems for Public Transport (CASPT 09), July 20-22, 2009

*       Co-chair of Organizing Committee, 18th International Symposium on Transportation and Traffic Theory (ISTTT 18), July 16-18, 2009

*       Co-chair of Organizing Committee, 5th International Symposium on Transportation Network Reliability, 18-19, December, 2012

*       Chair of Organizing Committee, 17th International Conference of Hong Kong Society for Transportation Studies: Transportation and Logistics Management, 15-17 December, 2012.

 

Local

Fellow, The Hong Kong Institution of Engineers (FHKIE)
Fellow, Chartered Institute of Logistics and Transport (FCILT)
Fellow, Hong Kong Institution of Highways and Transportation (FHKIHT)
Fellow, Hong Kong Society for Transportation Studies (FHKSTS)
Vice-President, Hong Kong Society for Transportation Studies
Independent Audit Panel for Recommendations in the Interim Report at and near the Hung Home Station Extension under the Shatin to Central Link Project, Hong Kong SAR Government, 2019-2020.
Deputy Chair, Drainage Appeal Board Panel, Hong Kong SAR Government, 2019 to 2022.

Vice-Chair of Assessment Panel, Public Policy Research Funding Scheme and Strategic Public Policy Research Funding Scheme, Policy Innovation and Co-ordination Office, Hong Kong SAR Government, 2021 –

Member, Independent Review Committee on Hong Kong's Franchised Bus Service, Hong Kong SAR Government, 2018
Member, Construction Industry Council, 2019-2021
Convener, Railway Objections Hearing Panel, Hong Kong SAR Government, 2014-2019
Member of Engineering Panel of the Hong Kong Research Grants Council, 2017- 2019
Appointed Member, Logistics and Transportation Discipline Advisory Panel, HKIE, 2015 -
Member, Transport Advisory Committee, Hong Kong SAR Government, 2010-2016.
Council Member, Chartered Institute of Logistics and Transport in Hong Kong (past)
Task Force on Emergency Transport Coordination, Hong Kong SAR Government, 2005
Expert Panel on Sustainable Transport Planning and Central-Wan Chai Bypass, Hong Kong SAR Government, 2005
Member, Appeal Tribunal Panel (Buildings), Hong Kong SAR Government, 2007 – 2018
Member, Railway Objections Hearing Panel, Hong Kong SAR Government, 2010 – 2013
Hong Kong Zhuhai Macau Bridge Feasibility Study Expert Panel (Hong Kong representative), 2009
Member, Harbour-Front Enhancement Committee, Hong Kong SAR Government, 2007 – 2009

 

 

SELECTED RESEARCH AWARDS AND RECOGNITION

MSc Program Civil Infrastructural Engineering and Management (CIEM) Teaching Excellence Appreciation Award 2018

His profile was featured in IEEE Intelligent Transportation Systems Magazine (2017, 9(3), 149-150) as an expert in transportation engineering

Research Excellence Award, School of Engineering, The Hong Kong University of Science and Technology, 2014.

The 2001 World Conference on Transportation Research (WCTR) Society Award -- the best paper "A Cell-based Dynamic Traffic Assignment Model" out of about 700 papers presented at (or 1100 abstracts submitted for) the 9th triennial WCTR Conference in 2001.

The 2003 Eastern Asia Society for Transportation Studies (EASTS) Outstanding Paper Award for the paper "Time-Dependent Transport Network Design: A Study on Budget Sensitivity" out of 600 papers presented at the 5th biannual EASTS Conference in 2003.

The 2000 Hong Kong Institution of Engineers (HKIE) Transactions Prize -- the best Paper Dynamic Intersection Signal Control Optimization (DISCO): Numerical Results for Argyle Streetout of all the papers published in HKIE Transactions in 2000.

The Hong Kong University of Science and Technology. Teaching Excellence Appreciation Award. 2001.

The Hong Kong University of Science and Technology. Teaching Excellence Appreciation Award. 1997.

 

RESEARCH INTERESTS

 

Evaluation and deployment analysis of Intelligent Transportation Systems

Dynamic traffic assignment and dynamic traffic control

Public transport services planning under regulation and competition

Reliability analysis of transport network design and traffic control

Develop approaches for improving transportation system management: signal control, systems architecture, transportation management centers, route guidance, congestion pricing, etc.

Traffic signal control software DISCO free download 

    

REPRESENTATIVE PROJECTS

Signalisation of Lung Fu Road Roundabout - Development of Detailed Signal Timing Scheme. Transprt Department Project. Principal Investigator, 2022-22.

Modeling for Enhanced Walkability in Urban Area. RGC General Research Fund. Principal Investigator, 2022-25.

Development of Adaptive Traffic Control System - Dynamic Intersection Signal Control Optimization (DISCO) . Smart Taffic Fund Project. Principal Investigator, 2022-24.

Computer Simulation and Optimization for Signalization Schemes on Roundabouts . Transprt Department Project. Principal Investigator, 2022-22.

Strategies for shaping the intercity transport market in the presence of air and high-speed rail services under delay uncertainty. RGC General Research Fund. Principal Investigator, 2020-23.

Strategies for Flexible Ride-sharing Services under Spatial and Temporal Demand Uncertainty.  RGC General Research Fund. Principal Investigator, 2019-22.

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城市群综合交通系统可持续发展理论 (Sustainable City Agglomeration Development Theory), NSF Major Project (重大项目). 2019-2023. Principal Investigator.

Strategies of Coordinated Adaptive Traffic Control for Stochastic Demand. RGC General Research Fund. Principal Investigator, 2018-21.

Strategies for Enhancing Walkability in Hong Kong via Smart Policies. Strategic Public Policy Research Funding Scheme. Principal Investigator, 2018-21.

Strategies for sustainable mixed-bus fleet management under driving range uncertainty of electric buses . RGC General Research Fund. Principal Investigator, 2017-20.

Strategies for Sustainable Railway Development over Time under Uncertainty. RGC General Research Fund. Principal Investigator, 2016-19.

Metro System Disruption Management. RGC General Research Fund. Principal Investigator, 2015-18.

Planning for a sustainable market for electric vehicles and the accompanying charging infrastructure. RGC General Research Fund. Principal Investigator, 2014-17.

Croucher Foundation Advanced Study Institute: Toward a New Generation of Dynamic Network Models. Nov 17-19, 2014. ASI Director.

Planning for sustainable public transport services under varying urban development densities. RGC General Research Fund. Principal Investigator, 2013-16.

Modeling Traffic Assignment via Dynamic Travel Choice Adjustments. RGC General Research Fund. Principal Investigator, 2012-15.

Financially Sustainable Railway Development Strategies. Public Policy Research. Principal Investigator, 2011-13.

Real-time intelligent transportation systems surveillance and management. Special Research Funding Initiative. Principal Investigator, 2011-13.

Management Strategies for Dynamic Networks with Travel Behavior under Uncertainty. RGC General Research Fund. Principal Investigator, 2009-2012.

Robust Signal Control for Congested Traffic. RGC Competitive Earmarked Research Grant. Principal Investigator, 2007-2009.

Optimal Transportation Supply and Demand Management over Time. RGC Competitive Earmarked Research Grant. Principal Investigator, 2006-2009.

Integrated planning of urban development with sustainable public transit services. RGC Competitive Earmarked Research Grant, Principal Investigator, 2005-2007.

Transportation Planning Models for Over-saturated Networks. RGC Competitive Earmarked Research Grant, Principal Investigator, 2004 - 2007

Planning Transport Network Improvements over Time. RGC Competitive Earmarked Research Grant, Principal Investigator, 2003 - 2006

 Enhancement of the Trip Matrix Estimation Procedure in the CTS-3 Model. Consultancy for the Transport Department of the Government of the HKSAR, 2002.

Bus Network Design in a Competitive, Regulatory Environment. RGC Competitive Earmarked Research Grant, Principal Investigator, 2002-2005

A Passenger Route Guidance System for Multi-modal Public Transport Networks. Sino Software Research Institute Applied Research Award, Principal Investigator, 2002 2003.

Assessing air quality improvement of traffic management strategies. Research Grant Council Direct Allocation Grant, Principal Investigator, 2002-2003.

A Methodology for Assessing, Managing, and Improving Degradable Transport Networks. RGC Competitive Earmarked Research Grant, Principal Investigator, 2001 - 2003

An Integrated Planning Methodology for Win-Win Public Transit Services. RGC Competitive Earmarked Research Grant, Principal Investigator, 2000 - 2003.  

Real-time Adaptive Traffic Control. Sino Software Research Institute Applied Research Award, Principal Investigator, 2000 2002. 

Review of the Annual Traffic Census. Consultancy for the Transport Department, HKSAR, 1999 - 2000. 

Dynamic Intersection Control for Over-saturated Traffic. RGC Competitive Earmarked Research Grant, Principal Investigator,1999-2002. 

Software Simulation Environment for Adaptive Traffic Control with Real-time Information. Sino Software Research Institute Applied Research Award, Principal Investigator,1999 2000.

Comprehensive Citybus (CTB) Screenline Survey. Consultancy for the Transport Department, HKSAR, Principal Investigator,1998 - 1999. 

Development of an Evaluation Framework for Road Pricing. California Department of Transportation, Principal Investigator,94-95. 

Dynamic Traffic Models Comparison. California Department of Transportation, Principal Investigator,94-95.

Functional and organizational analysis of Transportation Management Centers. California Department of Transportation, Principal Investigator,94-95. 

National ITS Architecture Program. Federal Highways Administration. Subcontract to Rockwell International, 93-96. 

Development of an Intelligent Transportation Systems (ITS) Evaluation Framework. Federal Highways Administration, Principal Investigator,92-93.

 

 

PUBLICATIONS
 

Publication Citations

Selected Editorship

Journal secial issue 2016: Day to Day Dynamics in Transportation Networks. Transportation Research Part B, 92.

Special issue 2016: Big data for Driver, Vehicle, and System Control in ITS. IEEE Transactions on Intelligent Transportation Systems, 17(6).

Special issue 2014: Advances in Equilibrium Models for Analyzing Transportation Network Reliability. Transportation Research Part B, 66.

Special issue 2013: Transportation Network Reliability. Transportmetrica B: Transport Dynamics, 1(3).

Transportation and Logistics Management. Proceedings of the 17th International Conference of Hong Kong Society for Transportation Studies. Edited by H.Y. Mak and H. Lo. December 14-16, 2012, Hong Kong.

Journal special issue: 2011. Emerging Theories in Traffic and Transportation and (2) Emerging Methods for Transportation and Traffic Operations. Transportation Research Part C, 19(2).

Journal special issue: 2011. Advanced Systems for Public Transport Scheduling and Network Design. Public Transport, 3(1).

Journal special issue: 2010. Advanced Systems for Public Transport Scheduling and Control. Public Transport, 2(3).

Journal special issue: 2010. Recent Advances in Traffic Control and Management. Journal of Advanced Transportation, 44(4).

Journal special issue: 2010. Advanced Methods for Public Transport System Management. Public Transport, 2(1-1).

Transportation and Traffic Theory 2009: Golden Jubilee (with William Lam and SC Wong). Springer.  

Journal special issue: 2009. Improving Network Reliability through ITS Technologies (with Jan-Dirk Schmöcker). Journal of Intelligent Transportation Systems, 13(1)

Journal special issue: 2009. Traffic Management (with S. Bandara and SC Wong). Journal of Advanced Transportation. In press

Journal special issue: 2008. Travel Choice Behavior Modeling (with William Lam). Transportmetrica, 4(2).

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Journal special issue: 2005. Application of New Technologies for Transit System Operations and Management (with William Lam). Journal of Intelligent Transportation Systems, 9(2).

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Journal special issue: 2004. Advanced algorithms in traffic signal control for urban road systems (with SC Wong). Journal of Intelligent Transportation Systems, 8.  

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Journal special issue: 2004. Advances in Urban Planning Methodologies (II) (with SC Wong), ASCE Journal of Urban Planning and Development, 130(1).

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Journal special issue: 2002. Advances in Urban Planning Methodologies (I) (with SC Wong), ASCE Journal of Urban Planning and Development, 128(4).

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Transportation Science and Technology Into the Next Millennium. Proceedings of the 4th Hong Kong Society for Transportation Studies. Edited by H. Lo and H. Yang. December 4, 1999, Hong Kong. 438 pages. (Table of Content)

Transportmetrica: Advanced Methods for Transportation Studies. Proceedings of the 9th Hong Kong Society for Transportation Studies. Edited by H. Yang and H. Lo. December 11, 2004, Hong Kong. 621 pages

 

Selected Book Chapters

An, K., and H. Lo. 2016. Transit Network Design with Stochastic Demand. Multi-Modal Transit System Modelling in the Context of ITS/ICT, Nuzzolo, A. and Lam, W.H.K., eds. Chapter 10.

Tang, S. and H. Lo. Property models for financing railway development. Railway Renaissance: Issues and Challenges, Chapter 9. Edited by B. Loo and C. Comtois. Ashgate Transport & Mobility Research Monographs.

Siu, B. and H. Lo. 2009. Integrated Network Improvement and Tolling Schedule: Mixed Strategy versus Pure Demand Management. Chapter 11, 185-214. Travel Demand Management and Road User Pricing: Success, Failure and Feasibility. Edited by Wafaa Saleh and Gerd Sammer. Ashgate Publishing Ltd.

Wong, C.K., S.C. Wong and H. Lo. 2007. A Cell Transmission Model for Signal Timing Optimization In Work Zones. Chapter 22, 307 - 319. Mathematics in Transport, edited by B. Heydecker. Elsevier Science.

Lam, W., N. Zhang., H. Lo. 2007 A Reliability-based User Equilibrium Model for Traffic Assignment. In Reliability and Vulnerability in Critical Infrastructure: A Quantitative Geographic Perspective, Chapter 8, 151-171, edited by A.T. Murray and T.H. Grubesic. Springer-Verlag: Berlin.

Lo, H. and W.Y. Szeto. 2004. Planning transport network improvements over time. In Urban and Regional Transportation Modeling: Essays in Honor of David Boyce, Chapter 9, 157-176. Edited by D.H. Lee. Edward Elgar.

Lam, W. and H. Lo. 2004. Traffic Assignment Methods. In Transport Handbook 5: Transport Geography and Spatial Systems. Chapter 34, 609-625. Edited by Stopher, Button, Kingsley, and Hensher. Elsevier Science.  

 

Lo, H., C.W. Yip, and Q. Wan. 2002. Modeling Competitive Multi-modal Transit Services. In Advanced Modeling For Transit Operations and Service Planning, Chapter 9, 231-256, Edited by W.H.K. Lam and M. Bell, Elsevier Science

Lo, H. and Y.K. Tung. 2000. A Chance Constrained Network Capacity Model. In Reliability of Transport Networks, Chapter 11, 159-172. Edited by M. Bell and C. Cassir. Research Studies Press Limited. 

 

 

Representative Articles (Full list)

Hoang, N., Panda, M.K., Vu, H., Dong, N., Lo, H.K. 2022. A new framework for mixed-user dynamic traffic assignment considering delay and accessibility to information. Transportation Research Part C, accepted.

Lee, E., Cen, X.K., Lo, H.K. 2022. Scheduling Zonal-based Flexible Bus Service under Dynamic Stochastic Demand and Time-dependent Travel Time. Transportation Research Part E, 168, 102931.

Chen, G.J., Zhang, S.Y., Lo, H.K., Liu, H.D. 2022. Does bus bunching happen inevitably: the counteraction between link and stop headway deviations?  Transportation Research Part C, 143, 103828.

Kashmiri, Faizan A., Lo, H.K. 2022. Routing of Autonomous Vehicles for System Optimal Flows and Average Travel Time Equilibrium over Time. Transportation Research Part C, 143, 103818.

Li, MZ, Lo, H.K. 2022. Ride-sourcing service pricing and cancellation penalty under service arrival time uncertainty. Findings, 1.  https://doi.org/10.32866/001c.37219.

Wang, S., Patwary, A.U.Z., Huang, W., Lo, H.K. 2022. A general framework for combining traffic flow models and Bayesian network for traffic parameters estimation. Transportation Research Part C, 139, 103664.

Li, MZ. Jiang, G., Lo, H.K. 2022. Pricing strategy of ride-sourcing services under travel time variability. Transportation Research Part E, 102631.

Li, L, Huang, W., Chow, A.H.F., Lo, H.K. 2022. Two-stage Stochastic Program for Dynamic Coordinated Traffic Control under Demand Uncertainty. IEEE Intelligent Transportation Systems Transactions, 23(8), 12966-12976.

Jiang, G., Wang, S., Lo, H.K., Liang, Z. 2022. Modeling Cost Variability in a Bottleneck Model with Degradable Capacity. Transportmetrica B, 10, 84-110.
Patwary, A.U.Z, Huang, W., Lo, H.K. 2021. A Link-to-link Segment based Metamodel for Dynamic Network Loading. Transportation Research Part C, 130, 103286.
Lee, E., Cen, X.K., Lo, H.K. 2021. Zonal-based flexible bus service under elastic stochastic demand. Transportation Research Part E, 152, 102367.
Huai, Y., Lo, H.K., Ng, K.F. 2021. Monocentric versus polycentric urban structure: Case Study in Hong Kong. Transportation Research Part A, 151, 99-118.
Jiang, G., Lo, H.K., Tang, Q., Liang, Z., S. Wang. 2021. The impact of Road Pricing on Travel Time Variability under Elastic Demand. Transportmetrica B, 9, 595-621.
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Li, L., Lo, H.K., Huang, W., Xiao, F. 2021. Mixed bus fleet location-routing-scheduling under range uncertainty. Transportation Research Part B,  146, 155-179
Lee, E., Cen, X., Lo, H.K., Ng, K.F. 2021. Designing zonal-based flexible bus services under stochastic demand. Transportation Science, 55(6), 1280-1299.
Patwary, A.U.Z., Huang W., Lo, H.K. 2021. Metamodel-based Calibration of Large-scale Multimodal Microscopic Traffic Simulation. Transportation Research Part C, 124, 102859
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Zhang, S., Lo, H.K., Ng, K.F. Chen, G. 2020. Metro system disruption management and substitute bus service: a systematic review and future directions. Transport Reviews, 41(2), 230-251.
Wang, S.L., Huang W., Lo, H.K. 2020. Combining shockwave analysis and Bayesian Network for traffic parameter estimation at signalized intersections considering queue spillback. Transportation Research Part C. 120, 102807.
Yuan, K., Lo, H.K. 2021. Multi-class traffic flow dynamics: an endogenous model. Transportation Science, 55(2), 456-474.
Huang, W., Xu, G.M., Lo, H.K. 2020. Pareto-optimal sustainable transportation network design under spatial queuing. Networks and Spatial Economics, 20(3), 637-673. 
Che, W., Frey, C., Fung, J., Ning, Z., Qu, H., Lo, H.K. , et al. 2020. PRAISE-HK: A personalized real-time air quality informatics system for citizen participation in exposure and health risk management. Sustainable Cities and Society, 54, 101986.
Zhang, SY, Lo, H.K. 2020. Metro Disruption Management: Contracting Substitute Bus Service under Uncertain System Recovery Time. Transportation Research Part C, 110, 98-122.
Lin, W.H., Lo, H.K. 2019. Effect of Reducing the Price of Anarchy on Fairness in Highway Resource Allocation for Individual Users. Transportmetrica B, 7, 1670-1692.
Jiang, G., Fosgerau, M., Lo, H.K. 2020. Route Choice, Travel Time Variability, and Rational Inattention. Transportation Research Part B, 188-207.
Liang, J.P., Wu, J.J., Gao, Z.Y., Sun, H.S., Yang, X., Lo, H.K. 2019. Bus Transit Network Design with Uncertainties on the Basis of a Metro Network: A two-step model framework. Transportation Research Part B, 126, 115–138.
Li, L., Lo, H.K., Xiao, F. 2019. Mixed Bus Fleet Scheduling under Range and Refueling Constraints. Transportation Research Part C, 104, 443-462.
Wang, S., Huang, W., Lo, H.K. 2019. Traffic Parameters Estimation for Signalized Intersections based on Combined Shockwave Analysis and Bayesian Network. Transportation Research Part C, 104, 22-37.
Smith, M., W. Huang, F. Viti, C. Tampere,and H. Lo. 2019. Quasi-dynamic Traffic Assignment with Spatial Queueing, Control and Blocking Back. Transportation Research Part B, 122, 140-166.
Zhang, SY, H. Lo. 2018. Metro Disruption Management: Optimal Initiation Time of Substitute Bus Services under Uncertain System Recovery Time. Transportation Research Part C, 97, 409-427.
Cen, X.K., H. Lo, L. Lu, E. Lee. 2018. Modeling Electric Vehicles Adoption for Urban Commute Trips. Transportation Research Part B, 117, 431-454.
Hoang, N., H. Vu, H. Lo. 2018. An informed user equilibrium dynamic traffic assignment problem in a multiple origin-destination stochastic network. Transportation Research Part B, 115, 207-230.
Zhang, S., H. Lo. 2018. Two-way-looking self-equalizing headway control for bus operations. Transportation Research Part B, 110, 280-301.
Li, L., H. Lo., W. Huang. 2018. Adaptive Coordinated Traffic Control for Stochastic Demand. Transportation Research Part C, 31-51.
Hoang, H.L., H. Vu, M. Panda, H. Lo. 2019. A linear framework for dynamic user equilibrium traffic assignment in a single origin-destination capacitated network. Transportation Research Part B, 126, 329-352.
Zhu, S, G. Jiang, H. Lo. 2017. Capturing Value of Reliability through Road Pricing in Congested Traffic under Uncertainty. 22nd International Symposium on Traffic and Transportation Theory (ISTTT) and Transportation Research Part C, 23, 664-678.

Han, L., D.Z.W. Wang, H. Lo, C. Zhu, C., X. Cai. 2017. Discrete-time Day-to-day Dynamic Congestion Pricing Scheme Considering Multiple Equilibria. Transportation Research Part B, 104, 1-16.

Ng, K.F., H. Lo. 2017. On Joint Railway and Housing Development: Housing-led versus Railway-led Schemes. Transportation Research Part B, 106, 464-488.

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Grande, Z., E. Castillo, E. Mora and H. Lo. 2017. Highway and Road Probabilistic Safety Assessment Based on Bayesian Network Models. Computer-Aided Civil and Infrastructure Engineering, 32, 379-396.

Ng, M. and H. Lo. 2016. Robust Models for Transportation Service Network Design. Transportation Research Part B, 94, 378–386.
Li, L., H. Lo, F. Xiao, and X. Cen. 2018. Mixed Bus Fleet Management Strategy for Minimizing Overall and Emissions External Costs. Transportation Research Part D, 60, 104-118.

1.             Ma, W., K. An, H. Lo. 2016. Multi-stage stochastic program to optimize signal timings under coordinated adaptive control. Transportation Research Part C, 72, 342-359.

1.             Lin, W.H., H. Liu, and H. Lo. 2016. Editorial: Big data for Driver, Vehicle, and System Control in ITS. IEEE Transactions on Intelligent Transportation Systems, 17(6), 1663-1665.

Lo, H., D. Watling, G. Cantarella. 2016. Editorial: Day-to-Day Dynamics in Transportation Networks. Transportation Research Part B, 92, 1-2.

Xiao, Yu, H. Lo. 2016. Day-to-day Departure Time Modeling under Social Network Influence. Transportation Research Part B, 92, 54-72.

Xu, X., H. Lo, A. Chen, E. Castillo. 2016. Robust Network Sensor Location for Complete Link Flow Observability under Uncertainty. Transportation Research Part B, 88, 1-20.

Cen, X.K., H. Lo, and L. Li, 2016. A Framework for estimating traffic emissions: the development of Passenger Car Emission Unit. Transportation Research Part D, 44, 78-92.

An, K. and H. Lo. 2016. Two-Phase Stochastic Program for Transit Network Design under Demand Uncertainty. Transportation Research Part B, 84, 157-181.

Li, Lu, H. Lo, and X.K. Cen. 2015. Optimal Bus Fleet Replacement Strategy for Emissions Reduction. Transportation Research Part D, 41, 330-347.

Lin, W. and H. Lo. 2015. Highway Voting System: Embracing a Possible Paradigm Shift in Traffic Data Acquisition. Transportation Research Part C, 56, 149-160.

Ng, K.F. and H. Lo. 2015. Optimal Housing Supply in a Bid-Rent Equilibrium Framework. Transportation Research Part B, 74, 62-78.

Yu, C.H., W.J. Ma, H. Lo, and X. Yang. 2015. Optimization of Mid-block Pedestrian Crossing Network with Discrete Demands. Transportation Research Part B, 73, 103-121.

An, K. and H. Lo. 2015. Robust Transit Network Design with Stochastic Demand Considering Development Density. 21th International Symposium on Traffic and Transportation Theory (ISTTT) and Transportation Research Part B , 81, 737-754.

Xu, X.D., A. Chen, S. Kitthamkesorn, H. Yang, and H. Lo. 2015. Modeling absolute and relative cost differences in stochastic user equilibrium problem. 21th International Symposium on Traffic and Transportation Theory (ISTTT) and Transportation Research Part B, 81, 686-703

Li, X., and H. Lo. 2014. Energy Minimization in Dynamic Train Scheduling and Control for Metro Rail Operations. Transportation Research Part B, 70, 269-284.

Ma, W.J, D. Liao, Y. Liu, and H. Lo. 2015. Optimization of Pedestrian Phase Patterns and Signal Timings for Isolated Intersection. Transportation Research Part C, 58, 502-514

Castillo, E., A. Calvino, H. Lo, J. Menendez, Z. Grande. 2014. Non-planar Hole-generated Networks and Link Flow Observability Based on Link Counters. Transportation Research Part B, 68, 239-261.

Lam, W., H. Lo, SC Wong. 2014. Editorial: Advances in Equilibrium Models for Analyzing Transportation Network Reliability. Transportation Research Part B, 66, 1-3.

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Xiao, L. and H. Lo. 2015. Combined Route Choice and Adaptive Traffic Control in a Day-to-day Dynamical System. Network and Spatial Economics, 15(3), 697-717.

Li, X., and H. Lo. 2014. An Energy-Efficient Scheduling and Speed Control Approach for Metro Rail Operations. Transportation Research Part B, 64, 73-89.

Xiao, L. and H. Lo. 2014. Adaptive Vehicle Navigation with En Route Stochastic Traffic Information. IEEE Transactions on Intelligent Transportation Systems, 15(5), 1900-1912.

An, K. and H. Lo. 2014. Ferry Service Network Design with Stochastic Demand under User Equilibrium Flows. Transportation Research Part B, 66, 70-89.

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Xu, XD., A. Chen, L. Cheng, and H. Lo. 2014. Modeling Distribution Tail in Network Performance Assessment: An Alternative Risk Measure and Analytical Estimation Method. Transportation Research Part B, 66, 32-49.

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Castillo, E., A. Calvino, M. Nogal and H. Lo. 2014. On the Probabilistic and Physical Consistency of Traffic Random Variables and Models. Computer-Aided Civil and Infrastructure Engineering, 29, 496-517.

Siu, B. and H. Lo. 2013. Punctuality-based departure time scheduling under stochastic bottleneck capacity: Formulation and Equilibrium. Transportmetrica B: Transport Dynamics, 1(3), 195-225.

Castillo, E., M. Nogal, A. Calvino, A. Rivas, and H. Lo. 2013. A Model for Continuous Dynamic Network Loading Problem with Different Overtaking Class Users. Journal of Intelligent Transportation Systems, 17(4), 328-350.

Lo, H., K An. And W. Lin. 2013. Ferry Network Design under Demand Uncertainty. Transportation Research Part E, 59, 48-70.

Zhu, F. H. Lo, and H.Z. Lin. 2013. Delay and Emissions Modeling for Signalized Intersection. Transportmetrica B: Transport Dynamics, 1(2), 111-135.

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Lo, H. and A. Sumalee. 2013.Transport Dynamics: Its time has come! Transportmetrica B: Transport Dynamics, inaugural Issue, 1(1), 102. (download copy)

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Ma, X. and H. Lo. 2013. On Joint Railway and Housing Development Strategy. 20th International Symposium on Traffic and Transportation Theory (ISTTT) and Transportation Research Part B, 57, 451-467.

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Xiao, L. and H. Lo. 2013. Adaptive Vehicle Routing for Risk-Averse Travelers. 20th International Symposium on Traffic and Transportation Theory (ISTTT) and Transportation Research Part C, 36, 460-479.

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Ng, M. and H. Lo. 2013. Regional Air Quality Conformity in Transportation Networks with Stochastic Dependencies: A Theoretical Copula-Based Model. Networks and Spatial Economics, 13(4), 373-397.

Castillo, Enrique; Calviño, Aida; Sánchez-Cambronero, Santos; H. Lo. 2013. A Multi-class User Equilibrium Model Considering Overtaking across Classes. IEEE Transactions on Intelligent Transportation Systems, 14(2), 928-942.

Smith, M, M.L. Hazelton, H. Lo, G.E. Cantarella, and D. Watling. 2014. The long term behavior of day-to-day traffic assignment models. Transportmetrica A: Transport Science, 10(7), 647-660.

Siu, B and H. Lo. 2013. Punctuality-based Route and Departure Time Choice. Transportmetrica A: Transport Dynamics, 1(3), 195-225.

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Ekstrom, J., A. Sumalee, H. Lo. 2012. Optimizing toll locations and levels using a linear approximation approach. Transportation Research Part B, 46, 834-854.

Ma, X. and H. Lo. 2012. Modeling transport management and land use over time. Transportation Research Part B, 46, 687-709.

Wong, SC, N.N. Sze, BPY Loo, ASY Chow, H. Lo, WT Hung. 2012. Performance evaluations of the spiral-marking roundabouts in Hong Kong. ASCE Journal of Transportation Engineering, 138, 1377-87.

Lin, W., H. Lo, and L. Xiao. 2011. A quasi-dynamic robust control scheme for signalized intersections. Journal of Intelligent Transportation Systems, 15(4), 223-233.

Lam, W., SC Wong, and H. Lo. 2011. Emerging theories in traffic and transportation; (2) Emerging methods for transportation and traffic operations. Transportation Research Part C, 19(2), 167-171.

Luathep, P., A. Sumalee, W.H.K. Lam, Z.C. Li, H. Lo. 2011. Global optimization method for mixed transportation network design problem: a mixed-integer linear programming approach. Transportation Research Part B, 45, 808-827.

Tang, S. and H. Lo. 2010. Assessment of Public Private Partnership Models for Mass Rail Transit - An Influence Diagram Approach. Public Transport, 2(1), 111-134.

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Wang, D.Z.W. and H. Lo. 2010. Global Optimum of the Linearized Network Design Problem with Equilibrium Flows. Transportation Research Part B, 44, 482-492.

Bie, J. and H. Lo. 2010. Stability and attraction domains of traffic equilibria in a day-to-day dynamical system formulation. Transportation Research Part B, 44, 90-107.

Bie, J., H. Lo, and S. C. Wong. 2010. Capacity Evaluation of Multi-Lane Traffic Roundabout. Journal of Advanced Transportation, 44(4), 245-255.

Tang, S. and H. Lo. 2010. On the Financial Viability of Mass Transit Development: The Case of Hong Kong. Transportation, 37, 299-316.

Siu, B. and H. Lo. 2009. Equilibrium Trip Scheduling in Congested Traffic under Uncertainty. Transportation and Traffic Theory. Edited by Lam, Wong and Lo. Springer, Chapter 8, 147-168.

Lin, W. and H. Lo. 2009. Investigating Braess Paradox with Time-Dependent Queues. Transportation Science, 43(1), 117-126.

Lo, H., S. Tang, and D.Z.W. Wang. 2008. Managing the Accessibility on Mass Public Transit: the Case of Hong Kong. Journal of Transport and Land Use, 1:2, 23-49.

Lo, H. and W.Y. Szeto. 2009. Time-Dependent Transport Network Design under Cost-Recovery. Transportation Research Part B, 43, 142-158.

Wang, D.Z.W. and Lo, H. 2008. Multi-fleet ferry service network design with passenger preferences for differential services. Transportation Research Part B, 42, 798-822.

Tang, S. and H. Lo. 2008. The Impact of Public Transport Policy on the Viability and Sustainability of Mass Railway Transit The Hong Kong Experience. Transportation Research Part A, 42, 563- 576.

Han, D., H. Lo, J. Sun, and H. Yang. 2008. The toll effect on price of anarchy when costs are nonlinear and asymmetric. European Journal of Operational Research, 186(1), 300316.

Szeto, W.Y. and H. Lo. 2008. Time-Dependent Transport Network Improvement and Tolling Strategies. Transportation Research Part A, 42(2), 376-391.

Wang, Z.W., H. Lo, and M.F. Lai. 2008. Mixed-fleet Ferry Routing and Scheduling. Lecture Notes in Economics and Mathematical Systems 600: Computer-Aided Systems in Public Transport. M. Hickman, P. Mirchandani, and S. Voss (eds.), 181-194.

Wan, Q.K. and H. Lo. 2008. Bus Tolling for Urban Transit System Management. Lecture Notes in Economics and Mathematical Systems 600: Computer-Aided Systems in Public Transport. M. Hickman, P. Mirchandani, and S. Voss (eds.), 409-418.

Siu, B. and H. Lo. 2008. Doubly Uncertain Transport Network: Degradable Capacity and Stochastic Demand. European Journal of Operational Research, 191, 164-179.

Yang, H., D. Han, and H. Lo. 2008. Efficiency of Atomic Splittable Selfish Routing with Polynomial Cost Functions. Networks and Spatial Economics, 8, 443-451.

Chow, A.H.F. and H. Lo. 2007. Sensitivity analysis of signal control with physical queuing: Delay derivatives and an application. Transportation Research Part B, 41, 462-477.

Wong, C.K., S.C. Wong, and H. Lo. 2007. Reserve Capacity of a Signal-controlled Network Considering the Effect of Physical Queuing. Transportation and Traffic Theory. Edited by Allsop, Bell, Heydecker. Elsevier Science, 533-554.

Lo, H. 2006. A Reliability Framework for Traffic Signal Control. IEEE Transactions on Intelligent Transportation Systems, 7(2), 250-260.

Lo, H., X.W. Luo, and B. Siu. 2006. Degradable Transport Network: Travel Time Budget of Travelers with Heterogeneous Risk Aversion. Transportation Research Part B, 40, 792-806.

Szeto, W.Y. and H. Lo. 2006. Dynamic Traffic Assignment: Properties and Extensions. Transportmetrica, 2, 31-52. (won the 2005 HKSTS Outstanding Dissertation Paper Award and Gordon Newell Memorial Prize)

Szeto, W.Y. and H. Lo. 2006. Transportation Network Improvement and Tolling Strategies: The issue of Intergeneration Equity. Transportation Research Part A, 40, 227-243.

Wong, S.C., T. Sze, H. Lo, W.T. Hung, B.P.Y. Loo. 2005. Would Relaxing Speed Limits Aggravate Safety: A Case Study of Hong Kong? Accident Analysis and Prevention, 37 (2), 377-388.

Szeto, W.Y. and H. Lo. 2005. Non-equilibrium Dynamic Traffic Assignment. Traffic and Transportation Theory. Edited by H. Mahmassani. Elsevier Science, 427-446.

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Lo, H. and W.Y. Szeto. 2005. Road Pricing Modeling for Hyper-congestion. Transportation Research Part A, 39, 705-722.

Szeto, W.Y. and H. Lo. 2005. The Impact of Advanced Traveler Information Services on Travel Time and Schedule Delay Costs. Journal of Intelligent Transportation Systems, 9(1), 47-55.

Lai, M.F. and H. Lo. 2004. Ferry Service Network Design: Optimal Fleet Size, Routing, and Scheduling. Transportation Research Part A, 38, 305-328.

Szeto, W.Y. and H. Lo. 2004. A Cell-based Simultaneous Route and Departure Time Choice Model with Elastic Demand. Transportation Research Part B, 38, 593-612.

Lo, H. and W.Y. Szeto. 2004. Modeling Advanced Transportation Information Systems: Static Versus Dynamic Paradigms. Transportation Research Part B, 38, 495-515.

Lo, H., C.W. Yip, and Q.K. Wan. 2004. Modeling Competitive Multi-modal Transit Services: A Nested Logit Approach. Transportation Research Part C, 12, 251-272.

Wong, SC, B.S.Y. Leung, B.P.Y. Loo, W.T. Hung, and H. Lo. 2004. A Qualitative Assessment Methodology for Road Safety Policy Strategies. Accident Analysis and Prevention, 36(2), 281-293.

Han, D. and H. Lo. 2004. Solving Non-additive Traffic Assignment Problems: A Decent Methods for Co-coercive Variational Inequalities. European Journal of Operational Research, 159(3), 529-544.

Lo, H., C.W. Yip, K.H. Wan. 2003. Modeling Transfer and Nonlinear Fare Structure in Multi-modal Network. Transportation Research Part B, 37, 149-170.

Lo, H. and Y.K. Tung. 2003. Network with degradable Links: Capacity Analysis and Design. Transportation Research Part B, 37, 345-363.

W. Lin and H. Lo. 2003. A Theoretical Probe of a German Experiment on Stationary Moving Traffic Jams. Transportation Research Part B, 37, 251-261. 

Lo, H. and Y.W. Szeto. 2002. A Cell-based Variational Inequality Formulation of the Dynamic User Optimal Assignment Problem. Transportation Research Part B, 36, 421-443. (Conference version won the 2001 WCTR Award.)

Lo, H., Y.W. Szeto. 2002. A Methodology for Sustainable Traveler Information Services. Transportation Research Part B, 36, 113-130.

Chen, A., H. Yang, H. Lo, and W. Tang. 2002. Capacity Reliability of a Road Network: An Assessment Methodology and Numerical Results. Transportation Research Part B, 36, 225-252.

Lo, H. 2002. Trip Travel Time Reliability in Degradable Transport Networks. Transportation and Traffic Theory. Edited by M. Taylor, Elsevier Science, 541-560.  

Han, D and H. Lo. 2002. A New Alternating Direction Method For a Class of Nonlinear Variational Inequality Problems. Journal of Optimization Theory and Applications, 112 (3), 549-560.

Lo, H. 2001. A Cell-based Traffic Control Formulation: Strategies and Benefits of Dynamic Timing Plans. Transportation Science, 35(2), 148-164.

Lo, H., E. Chang, and Y.C. Chan. 2001. Dynamic Network Traffic Control. Transportation Research Part A, 35(8), 721-744.

Wong, S.C., C. Yang, and H. Lo. 2001. A Path-based Traffic Assignment Algorithm Using the TRANSYT Traffic Model. Transportation Research Part B, 35, 163-181.

Chen, A, H. Lo, and H. Yang. 2001. A Self-Adaptive Projection and Contraction Algorithm for the Traffic Equilibrium Problem with Path-Specific Costs. European Journal of Operational Research, 135 (1): 27-41.  

          Lo, H. and A. Chen 2000. Traffic Equilibrium Problem with Route-specific Costs: Formulation and Algorithms. Transportation Research Part B, 34, 493-513

Lin, W. and H. Lo. 2000. Are the Objective and Solutions of the Dynamic User-Equilibrium Models Always Consistent? Transportation Research Part A, 34, 137-144.  

Lo, H. 1999. A Novel Traffic Signal Control Formulation.  Transportation Research Part A, 33, 433-448.

McCord. M., Y.K. Lee, and H. Lo. 1999. Strategic Routing Through Dynamic Current Estimates Derived from Satellite Altimetry: Simulated Performance Results. Transportation Science, 33, 1, 49-67.  

Lo. H. 1999. A Dynamic Traffic Assignment Formulation that encapsulates the Cell Transmission Model. Transportation and Traffic Theory. Edited by A. Cedar, Elsevier Science, 327-350.

Lo, H. and M. McCord. 1998. Adaptive Ship Routing through Stochastic Ocean Currents: General Formulations and Empirical Results. Transportation Research Part A, 32, 547-561.  

Lo, H. and M. McCord. 1995. Routing Through Dynamic Ocean Currents: General Heuristics and Empirical Results in the Gulf Stream Region.  Transportation Research Part B, 29, 109-124.  

Lo, H., M. McCord, and C. Wall. 1991.  Value of Ocean Current Information for Strategic Routing. European Journal of Operational Research, 55(2), 124-135.    

 

 

 

 

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