• 道路交通安全

• 因果关系模型

• 慢行交通行为与安全

• 公共交通大数据分析

（1）国家自然科学基金项目, 基于开放式小区背景下的路网安全评价与规划方法研究, 主持

（2）江苏省自然科学基金项目,基于交通干预分配机理的道路安全影响综合评估与改善方法研究，主持

（3）国家自然科学基金重点项目, 基于广义交通枢纽的城市多模式交通网络协同规划理论与方法, 参与

（4）国家自然科学基金国际合作项目，低碳化进程中城市多模式交通系统运营关键问题研究，参与

（5）国家重点研发计划政府间科技合作项目, 多源信息环境下道路交通事故应急处理关键技术与设备, 参与

部分专利成果：

(1) 李豪杰; 胡浩东; 张子乾; 任刚 ; 一种基于风险组合模式的过街通道安全评价方法

(5) 李豪杰; 高齐; 任刚 ; 一种基于深度强化学习的二次事故可变限速防控方法

(6) 李豪杰;武婉茜; 任刚 ;一种基于随机森林理论的交通事故时空热点判别方法

代表性论文：

1. Haojie Li*, Dongyu Wu, Daniel J. Graham, N. N. Sze. Comparison of exposure in pedestrian crash analyses: A study based on zonal origin-destination survey data, Safety Science, 2020, Vol. 131, 104926. (SCI Q1， 唯一第一、通讯作者)

2. Manman Zhu, Haojie Li*, N.N. Sze, Gang Ren. Exploring the impacts of street layout on the frequency of pedestrian crashes: A micro-level study, Journal of Safety Research, 2022, Vol. 81, pp. 91-100. (SSCI Q1，唯一通讯作者)

3. Ziqian Zhang, Haojie Li*, Haodong Hu, Gang Ren. How yielding cameras affect consecutive pedestrian-vehicle conflicts at non-signalized crosswalks? A mixed bivariate generalized ordered approach, Accident Analysis and Prevention, 2022, Vol. 178, 106851. (SSCI Q1，唯一通讯作者)

4. Haojie Li*, Haodong Hu, Ziqian Zhang, Gang Ren, Xin Liu. Impacts of enforcement cameras on pedestrians’ risk perception and drivers’ behaviors at non-signalized crosswalks, Journal of Safety Research, 2022, Vol. 81, pp. 313–325. (SSCI Q1，唯一第一、通讯作者)

5. Haojie Li*, Haodong Hu, Ziqian Zhang, Yingheng Zhang. The role of yielding cameras in pedestrian-vehicle interactions at un-signalized crosswalks: An application of game theoretical model, Transportation Research Part F: Psychology and Behaviour, 2023, Vol. 92, pp.27–43. (SSCI Q2，唯一第一、通讯作者)

6. Ziqian Zhang, Haojie Li*, N.N. Sze, Gang Ren. Investigating pedestrian crossing route choice at mid-blocks without crossing facilities: The role of roadside environment, Travel Behaviour and Society, 2023, Vol. 32, 100573. (SSCI Q1，唯一通讯作者)

7. Ziqian Zhang, Haojie Li*, Gang Ren. Investigating jaywalker crossing risks from the sequential-conflict perspective: A grouped random parameters generalized ordered probit model, Accident Analysis and Prevention, 2023, Vol. 189, 107145. (SSCI Q1，唯一通讯作者)

8. Yingheng Zhang, Haojie Li*, Gang Ren. Analyzing the injury severity in single-bicycle crashes: An application of the ordered forest with some practical guidance, Accident Analysis and Prevention, 2023, Vol. 189, 107126. (SSCI Q1，唯一通讯作者)

9. Haojie Li*, Ziqian Zhang, Huitao Lv, Gang Ren. Investigating the safety impacts of discontinuities in cycle network: A case study of London, Journal of Transportation Safety & Security, 2023, Vol. 16, pp. 43-72. (SSCI Q3，唯一第一、通讯作者)

10. Ziqian Zhang, Haojie Li*, Gang Ren. Prediction of jaywalker-vehicle conflicts based on encoder-decoder framework utilizing multi-source data, Accident Analysis and Prevention, 2024, Vol. 195, 107403. (SSCI Q1，唯一通讯作者)

11. Ziqian Zhang, Haojie Li*, Gang Ren. Evade or rush? Investigating jaywalkers’ sequential crossing decisions at mid-blocks without crossing facilities. Travel Behaviour and Society,  2024, Vol. 36, 100799. (SSCI Q1，唯一通讯作者)

12. Haojie Li*, Yuan Jin, and Gang Ren. Interpretable Prediction of Pedestrian Crossing Intention: Fusion of Human Skeletal Information in Natural Driving Scenarios. IEEE Transactions on ITS, 2024, Vol. 25, No. 11, pp. 18153-18170. (SSCI Q1，唯一第一、通讯作者)

13. Ziqian Zhang, Haojie Li*, Tiantian Chen, N.N. Sze, et al. Decision-making of autonomous vehicles in interactions with jaywalkers: A risk-aware deep reinforcement learning approach. Accident Analysis and Prevention, 2025, Vol. 210, 107843. (SSCI Q1，唯一通讯作者)

14. Haojie Li，Daniel J. Graham*, Arnab Majumdar. The effects of congestion charging on road traffic casualties: A causal analysis using difference-in-difference estimation, Accident Analysis and Prevention, 2012, Vol. 49, pp. 366-377. (SSCI Q1，唯一第一作者)

15. Haojie Li, Daniel J. Graham*, Arnab Majumdar. Effects of changes in road network characteristics on road casualties: An application of full Bayes models using panel data, Safety Science, 2015, Vol. 72, pp. 283-292. (SCI Q1，唯一第一作者)

16. Haojie Li*, Daniel J. Graham, Pan Liu. Safety effects of the London cycle superhighways on cycle collisions, Accident Analysis and Prevention, 2017, Vol. 99, pp. 90-101. (SSCI Q1，唯一第一、通讯作者)

17. Haojie Li*, Daniel J. Graham, Hongliang Ding, Gang Ren. Comparison of empirical Bayes and propensity score methods for road safety evaluation: A simulation study, Accident Analysis and Prevention, 2019, Vol. 129, pp. 148-155. (SSCI Q1，唯一第一、通讯作者)

18. Yingheng Zhang, Haojie Li*, N.N. Sze, Gang Ren. Propensity score methods for road safety evaluation: Practical suggestions from a simulation study, Accident Analysis and Prevention, 2021, Vol. 158, 106200. (SSCI Q1，唯一通讯作者)

19. Yingheng Zhang, Haojie Li*, Gang Ren. Estimating heterogeneous treatment effects in road safety analysis using generalized random forests, Accident Analysis and Prevention, 2022, Vol. 165, 106507. (SSCI Q1，唯一通讯作者)

20. Yingheng Zhang, Haojie Li*, Gang Ren. Road safety evaluation with multiple treatments: A comparison of methods based on simulations, Accident Analysis and Prevention, 2023, Vol. 190, 107170. (SSCI Q1，唯一通讯作者)

21. Haojie Li*, Qi Gao, Ziqian Zhang, Yingheng Zhang, Gang Ren. Spatial and temporal prediction of secondary crashes combining stacked sparse auto-encoder and long short-term memory, Accident Analysis and Prevention, 2023, Vol. 191, 107205. (SSCI Q1，唯一第一、通讯作者)

22. Yingheng Zhang, Haojie Li*, Gang Ren. Analysing the role of traffic volume as mediator in transport policy evaluation with causal mediation analysis and targeted learning. Transportation Research Part A, 2025, Vol.192, 104369. (SCI Q1，唯一通讯作者)

23. Haojie Li, Daniel J. Graham*, Arnab Majumdar. The impacts of speed cameras on road accidents: An application of propensity score matching methods, Accident Analysis and Prevention, 2013, Vol. 60, pp. 148-157. (SSCI Q1，唯一第一作者)

24. Haojie Li*, Daniel J. Graham, Quantifying the causal effects of 20 mph zones on road casualties in London via doubly robust estimation, Accident Analysis and Prevention, 2016, Vol. 93, pp. 65-74. (SSCI Q1，唯一第一、通讯作者)

25. Haojie Li*, Daniel J. Graham. Heterogeneous treatment effects of speed cameras on road safety, Accident Analysis and Prevention, 2016, Vol. 97, pp. 153-161. (SSCI Q1，唯一第一、通讯作者)

26. Haojie Li*, Manman Zhu, Daniel J. Graham, Yingheng Zhang. Are multiple speed cameras more effective than a single one? Causal analysis of the safety impacts of multiple speed cameras? Accident Analysis and Prevention, 2020, Vol. 139, 105488. (SSCI Q1，唯一第一、通讯作者)

27. Haojie Li*, Yingheng Zhang, Gang Ren. A causal analysis of time-varying speed camera safety effects based on the propensity score method. Journal of Safety Research, 2020, Vol. 75, pp. 119-127. (SSCI Q1，唯一第一、通讯作者)

28. Haojie Li*, Manman Zhu, Daniel J. Graham, Gang Ren. Evaluating the speed camera sites selection criteria in the UK. Journal of Safety Research, 2020, Vol. 76, pp. 90-100. (SSCI Q1，唯一第一、通讯作者)

29. Haojie Li*, Ziqian Zhang, N.N. Sze, Haodong Hu, Hongliang Ding. Safety effects of law enforcement cameras at non-signalized crosswalks: A case study in China, Accident Analysis and Prevention, 2021, Vol. 156, 106124. (SSCI Q1，唯一第一、通讯作者)

30. Huitao Lv, Haojie Li*, N.N. Sze, Gang Ren. The impacts of non-motorized traffic enforcement cameras on red light violations of cyclists at signalized intersections, Journal of Safety Research, 2022, Vol. 83, pp. 310-322. (SSCI Q1，唯一通讯作者)

31. Haojie Li*, Dongyu Wu, Ziqian Zhang, Yingheng Zhang. Safety impacts of the discrepancies and accesses between adjacent traffic analysis zones, Journal of Transportation Safety & Security, 2022, Vol. 14, pp. 359-381. (SSCI Q3，唯一第一、通讯作者)

32. Ziqian Zhang, Haojie Li, Haodong Hu, Tiantian Chen. Do non-motorists understand the traffic safety laws protecting them? Results from a Chinese survey, Travel Behaviour and Society, 2024, Vol. 36, 100779. (SSCI Q1，唯一通讯作者)

（1）交通工程基础

（2）交通工程综合实习

（3）因果理论及其交通系统应用

《Travel Behaviour and Society》副主编

《Journal of Traffic and Transportation Engineering》编委