2026 William H. K. Lam: Engineering and Technology Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Engineering and Technology	75	769	729	133	132	404	17222

Research.com Recognitions

2025 - Research.com Engineering and Technology in China Leader Award

Overview

William H. K. Lam is affiliated with Hong Kong Polytechnic University in China. Their research spans multiple areas within engineering and social sciences, with a particular focus on transportation-related studies.

The scientist has contributed extensively to the fields of:

Engineering
Social Sciences

Within these broader fields, their work is concentrated in several subfields, including:

Transportation
Building and Construction
Control and Systems Engineering
Automotive Engineering
Safety, Risk, Reliability and Quality

Key topics of research addressed by William H. K. Lam involve:

Transportation Planning and Optimization
Traffic Prediction and Management Techniques
Traffic control and management
Urban Transport and Accessibility
Transportation and Mobility Innovations
Traffic and Road Safety
Autonomous Vehicle Technology and Safety

The scientist has published numerous research papers in leading academic journals. Notable recent papers include:

"Differentially Private SQL with Bounded User Contribution" (2020), published in DOAJ (DOAJ: Directory of Open Access Journals)
"Enhancing network resilience by adding redundancy to road networks" (2021), published in Transportation Research Part E Logistics and Transportation Review
"Integrated optimal control strategies for freeway traffic mixed with connected automated vehicles: A model-based reinforcement learning approach" (2021), published in Transportation Research Part C Emerging Technologies
"Evaluating the value of new metro lines using route diversity measures: The case of Hong Kong's Mass Transit Railway system" (2021), published in Journal of Transport Geography
"An Integrated Reinforcement Learning and Centralized Programming Approach for Online Taxi Dispatching" (2021), published in IEEE Transactions on Neural Networks and Learning Systems

William H. K. Lam frequently collaborates with a core group of co-authors, including:

Wei Ma
Mei Lam Tam
Andy H.F. Chow
S.C. Wong
Hu Shao

The primary publication venues where the scientist's work appears most often are:

Transportation Research Part C Emerging Technologies
Transportation Research Part B Methodological
Transportmetrica A Transport Science
Transportmetrica B Transport Dynamics
Transportation Research Part E Logistics and Transportation Review

Best Publications

Optimal Road Tolls under Conditions of Queueing and Congestion

Hai Yan;William H.K Lam

396
Citations
Bus arrival time prediction at bus stop with multiple routes

Bin Yu;Bin Yu;William H.K. Lam;Mei Lam Tam

395
Citations
Modeling and solving the dynamic user equilibrium route and departure time choice problem in network with queues

Hai-Jun Huang;William H.K. Lam

386
Citations
Modeling impacts of adverse weather conditions on a road network with uncertainties in demand and supply

William H.K. Lam;Hu Shao;Hu Shao;Agachai Sumalee

380
Citations
A Reliability-Based Stochastic Traffic Assignment Model for Network with Multiple User Classes under Uncertainty in Demand

Hu Shao;Hu Shao;William H. K. Lam;Mei Lam Tam

358
Citations
Revisiting Hughes’ dynamic continuum model for pedestrian flow and the development of an efficient solution algorithm

Ling Huang;S.C. Wong;Mengping Zhang;Chi-Wang Shu

340
Citations
A stochastic user equilibrium assignment model for congested transit networks

William H.K. Lam;Z Y Gao;K S Chan;Hai Yang

322
Citations
Pedestrian speed/flow relationships for walking facilities in Hong Kong

William H. K. Lam;Chung-yu Cheung

283
Citations
Global optimization method for mixed transportation network design problem: A mixed-integer linear programming approach

Paramet Luathep;Paramet Luathep;Agachai Sumalee;William H.K. Lam;Zhi-Chun Li;Zhi-Chun Li

264
Citations
Modeling time-dependent travel choice problems in road networks with multiple user classes and multiple parking facilities

William H.K. Lam;Zhi-Chun Li;Hai-Jun Huang;S.C. Wong

240
Citations
A combined trip distribution and assignment model for multiple user classes

William H.K. Lam;Hai-Jun Huang

212
Citations
Map-matching algorithm for large-scale low-frequency floating car data

Bi Yu Chen;Hui Yuan;Qingquan Li;William H. K. Lam

210
Citations
Vulnerability analysis for large-scale and congested road networks with demand uncertainty

Bi Yu Chen;Bi Yu Chen;William H.K. Lam;William H.K. Lam;Agachai Sumalee;Qingquan Li

208
Citations
A study of crowding effects at the Hong Kong light rail transit stations

William H.K. Lam;Chung-Yu Cheung;C.F. Lam

195
Citations
PEDESTRIAN ROUTE CHOICES BETWEEN ESCALATOR AND STAIRWAY IN MTR STATIONS

C. Y. Cheung;William H. K. Lam

188
Citations
A study of the bi-directional pedestrian flow characteristics at Hong Kong signalized crosswalk facilities

William H. K. Lam;Jodie Y. S. Lee;C. Y. Cheung

184
Citations
Finding Reliable Shortest Paths in Road Networks Under Uncertainty

Bi Yu Chen;Bi Yu Chen;William H. K. Lam;William H. K. Lam;Agachai Sumalee;Qingquan Li

182
Citations
Bidirectional Pedestrian Stream Model with Oblique Intersecting Angle

S. C. Wong;W. L. Leung;S. H. Chan;William H. K. Lam

166
Citations
PEDESTRIAN FLOW CHARACTERISTICS IN HONG KONG

William H K Lam;John F Morrall;Herbert Ho

162
Citations
An activity-based time-dependent traffic assignment model

William H.K. Lam;Yafeng Yin

162
Citations