Chamroeun Se

EDUCATION BACKGROUND

Doctoral degree Ph.D. of Transportation Engineering, Suranaree University of Technology (2020-2022)

Master’s degree M. Eng. of Transportation Engineering, Suranaree University of Technology (2018-2020)

Bachelor’s degree B. Eng. of Civil Engineering, Paragon International University (former Zaman University) (2012-2016)

PROFESSIONAL EXPERIENCE

Current academic positions: 

Post-doctoral researcher Institute of Research and Development, Suranaree University of Technology (January 2023−Present)

Work Experiences:

Road/Bridge Site Engineer Utthy Enterprise Co., Ltd. (Cambodia) (2016−2018)

Road Safety Auditor Asian Engineering Consultant Company: Bangkok, TH (Part-time) (2018−2021)

SCHOLARSHIPS & HONORS

Fully Funded Scholarship by the Department of Infrastructure, Transport, Regional Development and Communications, of Australian Government, to attend the 2022 Australasian Road Safety Conference 28th – 30th September, Christchurch, New Zealand

Fully Funded Scholarship by Thailand Government for Ph.D. Degree (August 2020)

Fully Funded Scholarship by Thailand Government for Masters’ Degree (August 2018)

Partially Funded Scholarship by Paragon International University for bachelor's degree (January 2012)

RESEARCH

• Crash Injury Severity Analysis

• Advanced Econometric Model Analysis

• Advanced Heterogeneity Model Analysis

• Soft Computing in Transportation Engineering

• Optimization in Transportation Engineering

• Transportation Policy (Safety and Public Transport)

ACADEMIC CONFERENCES

1. Se C., Champahom T., Jomnonkwao S., Karoonsoontawong A., Boonyoo T., and Ratanavaraha V. (2024). Deep Learning-Based Convolutional Neural Network for Crash Severity Prediction. THE 13TH CONFERENCE ON INFORMATION TECHNOLOGY AND ITS APPLICATIONS, July 19-20, 2024 - Da Nang City and Hoi An City, Viet Nam

2. Se C., Champahom T., Jomnonkwao S., and Ratanavaraha V. (2020). Fatal motorcycle crashes analysis in Thailand: Accounting for unobserved heterogeneity. 2022 Australasian Road Safety Conference 28th – 30th September, Christchurch, New Zealand 

3. Se, C., Wisutwattanasak, P., Champahom, T., & Jomnonkwao, S. (2023). Difference Between Male and Female Motorcyclist-Injury Severity: Accommodating Unobserved Heterogeneity in the Data. Proceeding of The 28th National Convention on Civil Engineering: Post-Pandemic Challenges on Civil Engineering, 28, 28, TRL30-1.

4. Se C., Champahom T., Jomnonkwao S., and Ratanavaraha V. (2020). Analysis of young Thai driver severity involving in single-vehicle run off road crash. The Third Conference on Innovation Engineering and Technology for Economy and Society, pp.194-198. Bangkok, Thailand 29th March 2020. 

5. Se C., Champahom T., Jomnonkwao S., and Ratanavaraha V. (2020). Driver risk behaviours of night-time single-vehicle crash on Thailand Highways. International Virtual Conference on Science and Technology. Hosted by Suranaree University of Technology, Thailand 28th August, 2020.

EDITORIAL MEMBER OF JOURNAL

Guest Editor for the Special Issue “A Safer and More Sustainable Tomorrow: Roles of Transport Safety, Efficient Service Quality, and Low-Carbon Development” in journal “Sustainability” [ISSN: 2071-1050, Cite Score – Scopus Q1 (Geography, Planning and Development), and Impact Factor: 3.9 (2022)] (November 2022-November 2023)

PUBLICATIONS

1. Se C.; Champahom T.; Jomnonkwao S.; Karoonsoontawong A.; Ratanavaraha V. (2021). Temporal stability of factors influencing driver-injury severities in single-vehicle crashes: A correlated random parameters with heterogeneity in means and variances approach. Analytic Methods in Accident Research,32,100179 

2. Se C.; Champahom T.; Jomnonkwao S.; Kronprasert N.; Ratanavaraha V. (2022). The impact of weekday, weekend, and holiday crashes on motorcyclist injury severities: Accounting for temporal influence with unobserved effect and insights from out-of-sample prediction. Analytic Methods in Accident Research,36,100240 

3. Se C.; Champahom T.; Jomnonkwao S.; Chaimuang P.; Ratanavaraha V. (2021). Empirical comparison of the effects of urban and rural crashes on motorcyclist injury severities: A correlated random parameters ordered probit approach with heterogeneity in means. Accident Analysis and Prevention,161,106352 

4. Se C., Champahom T., Jomnonkwao S., Chonsalasin D., Ratanavaraha V. (2024). Modeling of single-vehicle and multi-vehicle truck-involved crashes injury severities: A comparative and temporal analysis in a developing country. Accident Analysis & Prevention, 197, 107452 

5. Se, C., Woolley, J., Champahom, T., Jomnonkwao, S., Boonyoo, T., Karoonsoontawong, A., & Ratanavaraha, V. (2025). Modelling the Interdependent Relationship of Motorcyclist Injury Severity and Fault Status: A Recursive Bivariate Random Parameters Probit Approach. Transport Policy, 163, 370-383

6. Se C.; Champahom T.; Wisutwattanasak P.; Jomnonkwao S.; Ratanavaraha V. (2023). Temporal instability and differences in injury severity between restrained and unrestrained drivers in speeding-related crashes. Scientific Reports,13(1),9756 

7. Se, C., Champahom, T., Wisutwattanasak, P., Jomnonkwao, S., Chanpariyavatevong, K., & Ratanavaraha, V. (2024). Modeling of motorcyclist injury severities: A comparison between crashes on main-, frontage-, and standard-lane of roadway. IATSS Research, 48(3), 288-298.

8. Se, C., Sunkpho, J., Wipulanusat, W., Tantisevi, K., Champahom, T., & Ratanavaraha, V. (2024). Modeling motorcycle crash-injury severity utilizing explainable data-driven approaches. Transportation Letters, 1-26.

9. Se C.; Champahom T.; Jomnonkwao S.; Ratanavaraha V. (2023). Empirical examination of interdependent relationship between usage of seatbelt restraint system and driver-injury severity of single-vehicle crashes in Thailand using a joint econometric analysis. Traffic Injury Prevention,24(6),503-510 

10. Se C.; Champahom T.; Jomnonkwao S.; Ratanavaraha V. (2022). Motorcyclist injury severity analysis: a comparison of Artificial Neural Networks and random parameter model with heterogeneity in means and variances. International Journal of Injury Control and Safety Promotion,29(4),500-515 

11. Se C.; Champahom T.; Jomnonkwao S.; Ratanavaraha V. (2024). Examining Factors Affecting Driver Injury Severity in Speeding-Related Crashes: A Comparative Study Across Driver Age Groups. International Journal of Injury Control and Safety Promotion 

12. Se C.; Champahom T.; Jomnonkwao S.; Banyong C.; Sukontasukkul P.; Ratanavaraha V. (2020). Hierarchical binary logit model to compare driver injury severity in single-vehicle crash based on age-groups. International Journal of Injury Control and Safety Promotion, 28(1),113-126 

13. Se C.; Champahom T.; Jomnonkwao S.; Karoonsoontawon A.; Ratanavaraha V. (2022). Analysis of driver-injury severity: a comparison between speeding and non-speeding driving crash accounting for temporal and unobserved effects. International Journal of Injury Control and Safety Promotion, 29(4),475-488 

14. Se C.; Champahom T.; Jomnonkwao S.; Wisutwattanasak P.; Laphrom W.; Ratanavaraha V. (2023). Temporal Instability and Transferability Analysis of Daytime and Nighttime Motorcyclist-Injury Severities Considering Unobserved Heterogeneity of Data. Sustainability (Switzerland),15(5),4486

15. Se C.; Champahom T.; Laphrom W.; Jomnonkwao S.; Ratanavaraha V. (2023). Analysis of factors influencing crash injury severities at highway–rail grade crossings accommodating for unobserved heterogeneity. Frontiers in Built Environment,9,1255762 

16. Se C.; Champahom T.; Jomnonkwao S.; Ratanavaraha V. (2020). Driver injury severity in single-vehicle run off road crash on 2-lanes and 4-lanes highway in Thailand. Engineering and Applied Science Research,47(4),393-400

17. Se C.; Champahom T.; Jomnonkwao S.; Ratanavaraha V. (2020). Risk factors affecting driver severity of single-vehicle run off road crash for Thailand highway. Engineering Journal,24(5),207-216

18. Sunkpho, J., Se, C., Wipulanusat, W., & Ratanavaraha, V. (2025). SHAP-based convolutional neural network modeling for intersection crash severity on Thailand's highways. IATSS Research, 49(1), 27-41.

19. Champahom, T., Se, C., Watcharamaisakul, F., Jomnonkwao, S., Karoonsoontawong, A., & Ratanavaraha, V. (2024). Tree-based approaches to understanding factors influencing crash severity across roadway classes: A Thailand case study. IATSS Research, 48(3), 464-476.

20. Champahom, T., Wisutwattanasak, P., Chonsalasin, D., Se, C., Jomnonkwao, S., & Ratanavaraha, V. (2025). Comparing Electric Vehicle Adoption Intentions Across Vehicle Types in Thailand: An Extended UTAUT2 Model with Government Participation. Transport Policy,163, 408-435.

21. Champahom, T., Se, C., Uttra, S., Laphrom, W., Jomnonkwao, S., & Ratanavaraha, V. (2025). Development of emerging solution for distracted driving: A random parameter ordered probit model approach. Case Studies on Transport Policy, 19, 101379.

22. Champahom, T., Se, C., Laphrom, W., Watthanaklang, D., Jomnonkwao, S., & Ratanavaraha, V. (2025). Empirical comparison of the effects of other party's vehicle type on motorcyclists' injury severity. Journal of Traffic and Transportation Engineering (English Edition).

23. Laphrom, W., Se, C., Champahom, T., Jomnonkwao, S., Wipulanusatd, W., Satiennam, T., & Ratanavaraha, V. (2024). XGBoost-SHAP and Unobserved Heterogeneity Modelling of Temporal Multivehicle Truck-Involved Crash Severity Patterns. Civil Engineering Journal, 10(6), 1890-1908.

24. Laphrom, W., Champahom, T., Se, C., Nanthawong, S., Wisutwattanasak, P., Ratanavaraha, V., & Jomnonkwao, S. (2024). Assessing Risky Riding Behaviors Among Food Delivery Motorcyclists in Thailand: Insights from the Motorcycle Rider Behavior Questionnaire and Health Belief Model. Logistics, 8(4), 125.

25. Seefong, M., Wisutwattanasak, P., Se, C., Theerathitichaipa, K., Jomnonkwao, S., Champahom, T., ... & Kasemsri, R. (2024). A study of motorcycle riders related to speeding behavior in Thailand’s Industrial zones. Scientific Reports, 14(1), 1-14.

26. Suksanguan U.; Champahom T.; Jomnonkwao S.; Se C.; Ratanavaraha V. (2022). Predicting the selection of industrial waste disposal service in cement kiln using a random parameters approach with heterogeneity in means and variances. Process Safety and Environmental Protection,164,142-153

27. Wisutwattanasak P.; Jomnonkwao S.; Se C.; Champahom T.; Ratanavaraha V. (2023). Correlated random parameters model with heterogeneity in means for analysis of factors affecting the perceived value of road accidents and travel time. Accident Analysis and Prevention,183,106992 

28. Theerathitichaipa K., Wisutwattanasak P., Se C., Seefong M., Jomnonkwao S., Champahom T., Ratanavaraha V., Kasemsri, R. (2024). Assessment of Disparity in Accessing Railway Stations in Thailand: an Application Geographic Information System Network Analysis. Journal of Geovisualization and Spatial Analysis, 8(1), 6 

29. Champahom T.; Banyong C.; Hantanong N.; Se C.; Jomnonkwao S.; Ratanavaraha V. (2023). Factors influencing the willingness to pay for motorcycle safety improvement: A structural equation modeling approach. Transportation Research Interdisciplinary Perspectives,22,100950 

30. Champahom, T., Se, C., Jomnonkwao, S., Kasemsri, R., & Ratanavaraha, V. (2023). Analysis of the effects of highway geometric design features on the frequency of truck-involved rear-end crashes using the random effect zero-inflated negative binomial regression model. Safety, 9(4), 76.

31. Chanpariyavatevong, K., Champahom, T., Se, C., Jomnonkwao, S., & Ratanavaraha, V. (2024). The intervention design to promote active travel mode among children and adolescents: A systematic review. Heliyon. 10(4), e26072

32. Hantanong, N., Jomnonkwao, S., Champahom, T., Se, C., & Ratanavaraha, V. (2024). Assessing the Self-Report Instruments of Younger Versus Older Riders Involved in Near-Miss Motorcycle Incidents. Civil Engineering Journal, 10(2), 628-654.

33. Champahom T.; Se C.; Jomnonkwao S.; Boonyoo T.; Ratanavaraha V.(2023). A Comparison of Contributing Factors between Young and Old Riders of Motorcycle Crash Severity on Local Roads. Sustainability,15(3),2708 

34. Seefong M.; Wisutwattanasak P.; Se C.; Theerathitichaipa K.; Jomnonkwao S.; Champahom T.; Ratanavaraha V.; Kasemsri R. (2023). Big Data Analytics with the Multivariate Adaptive Regression Splines to Analyze Key Factors Influencing Accident Severity in Industrial Zones of Thailand: A Study on Truck and Non-Truck Collisions. Big Data and Cognitive Computing,7(3),156 

35. Champahom T.; Wisutwattanasak P.; Se C.; Banyong C.; Jomnonkwao S.; Ratanavaraha V. (2023). Analysis of Factors Associated with Highway Personal Car and Truck Run-Off-Road Crashes: Decision Tree and Mixed Logit Model with Heterogeneity in Means and Variances Approaches. Informatics,10(3),66 

36. Champahom, T., Se, C., Aryuyo, F., Banyong, C., Jomnonkwao, S., & Ratanavaraha, V. (2023). Crash Severity Analysis of Young Adult Motorcyclists: A Comparison of Urban and Rural Local Roadways. Applied Sciences, 13(21), 11723.

37. Jomnonkwao S.; Champahom T.; Se C.; Hantanong N.; Ratanavaraha V. (2023). Contributing factors to near-miss experiences of motorcyclists in Thailand: A random parameter probit model approach. Heliyon,9(12),e22625 

38. Jomnonkwao, S., Hantanong, N., Champahom, T., Se, C., & Ratanavaraha, V. (2023). Analyzing near-miss incidents and risky riding behavior in Thailand: a comparative study of urban and rural areas. Safety, 9(4), 90.

39. Wisutwattanasak P.; Champahom T.; Jomnonkwao S.; Aryuyo F.; Se C.; Ratanavaraha V. (2023). Examining the Impact of Service Quality on Passengers’ Intentions to Utilize Rail Transport in the Post-Pandemic Era: An Integrated Approach of SERVQUAL and Health Belief Model. Behavioral Sciences,13(10),789 

40. Wisutwattanasak P.; Jomnonkwao S.; Se C.; Ratanavaraha V. (2022). Influence of Psychological Perspectives and Demographics on Drivers’ Valuation of Road Accidents: A Combination of Confirmatory Factor Analysis and Preference Heterogeneity Model. Behavioral Sciences,12(9),336 

41. Champahom T.; Se C.; Jomnonkwao S.; Boonyoo T.; Leelamanothum A.; Ratanavaraha V. (2023). Temporal Instability of Motorcycle Crash Fatalities on Local Roadways: A Random Parameters Approach with Heterogeneity in Means and Variances. International Journal of Environmental Research and Public Health, 20(5),3845 

42. Champahom, T., Se, C., Laphrom, W., Jomnonkwao, S., Karoonsoontawong, A., & Ratanavaraha, V. (2024). Modeling User Intentions for Electric Vehicle Adoption in Thailand: Incorporating Multilayer Preference Heterogeneity. Logistics, 8(3), 83.

43. Chanpariyavatevong, A., Se, C., Timtong, A., Boongsood, W., & Wiangkham, A. (2024). Investigating Cryogenic and Heat Treatment Effects on Hardness and Wear of Uncoated Carbide Inserts: A Microstructure and AI Approach. Journal of Materials Engineering and Performance, 1-13.

44. Chonsalasin, D., Champahom, T., Se, C., Uttra, S., Watcharamaisakul, F., Jomnonkwao, S., & Ratanavaraha, V. (2025). Analyzing Motorcycle Traffic Violations in Thailand: A Logit Model Approach to Urban and Rural Differences. Future Transportation, 5(1), 26.

RESEARCH PROJECT EXPERIENCE

Project entitled “Road Safety Audit: National Road 23 Roi Et-Yasothon under the Greater Mekong Subregion Highway Expansion Phase 2 Project”. Funded by Department of Highways (DOH) and Asian Development Bank (ADB). Budget of 500,000 THB. (Roles: site auditor and report)

Project entitled “Investigation of factors associated with fatal motorcycle-crashes”. Funded by Suranaree University of Technology (SUT). Budget of 200,000 THB. (Role: main researcher) (September 2021-September 2022)

Project entitled “Injury-severities investigation associated with speeding-driving related crashes”. Funded by Suranaree University of Technology (SUT). Budget of 200,000 THB. (Role: main researcher) (September 2021-September 2022) 

Project entitled “Temporal instability assessment of Factors Impacting Motorcycle Crash Severities”. Funded by Suranaree University of Technology (SUT). Budget of 200,000 THB. (Role: main researcher) (September 2022-September 2023)

Project entitled “Investigating the effects of adverse weather condition on crash injury-severities”. Funded by Suranaree University of Technology (SUT). Budget of 200,000 THB. (Role: main researcher) (September 2022-Janurary 2024)

CONTACT

EMAIL: chamroeun.s@g.sut.ac.th; cse0027@gmail.com