1. Shivaram, K., Kolli, N. & Gaddam, H.K. Evaluating the integration of metro networks in urban logistics: a case study of Indian cities using TOPSIS methodology. Innovative Infrastructure Solutions. 10, 171 (2025). https://doi.org/10.1007/s41062-025-01974-3 ESCI and Scopus Indexed. IF 2.2. Q2

2. Shantanu Ranjan, Vanshika Sharma, Jitesh Thakkar, Hari Krishna Gaddam, An Integrated Ism-Micmac Approach for Investigating Sources of Wastes in Circular Economy: A Case of Apparel Industry. Operations Research Forum (2024)- 5, 42 (2024). https://doi.org/10.1007/s43069-024-00320-0. ESCI and Scopus Indexed. I.F. 1.5

3. Ankit Raj, Hari Krishna Gaddam, Jitesh Thakkar, and B. Raghuram Kadali. (2024) Public Transit System Management During Pandemics: Global Practices and A Way Forward, Innovative Infrastructure Solutions. Accepted 2024. Innovative Infrastructure Solutions (2024) 9:107, https://doi.org/10.1007/s41062-024-01420-w, ESCI and Scopus Indexed. I.F.2.4. Q2

4. Hari Krishna Gaddam & K. Ramachandra Rao (2022) Calibration and evaluation of higher order continuum model for non- lane based mixed traffic environment, Transportation Letters, DOI: 10.1080/19427867.2022. 2160559. IF: SCI. IF. 3.3. 

5. Hari Krishna Gaddam, Lakshmi Devi Vanumu, Aditya Arya, and K. Ramachandra Rao.(2022) “Optimization Of Parameters for Pedestrian Simulation Software: A Case Study of Emergency Evacuation Experiments”. Communications. Published online 20th September 2022.DOI: 10.26552/com.C.2022.4.F82-F96.  Web of Scicne and Scopus. IF: 0.5

6. Raghuram Kadali, Surya SSR Gadiraju, Hari Krishna Gaddam (2022), “Analysis of Travellers Risk Perceptions about Public Transit Systems during COVID-19 Pandemic”, Transportation Research Record, June 2022. https://doi.org/10.1177%2F03611981221093332. Science Citation Indexed. https://doi.org/10.1177%2F03611981221093332. IF: 2.10.

7. Vaibhav Negi, Hari Krishna Gaddam, K. Ramachandra Rao., Driver Gap Acceptance Characteristics at Roundabouts and Meta-analysis of Recent Studies in India, Transportation in Developing Economies,7, 5 (2021). https://doi.org/10.1007/s40890-021-00112-9. Emerging Sources Citation and Web of Science Indexed. IF 1.7.

8. Hari Krishna Gaddam and K. Ramachandra Rao. “A Two-Sided Lateral Gap Continuum Model and Its Numerical Analysis for Non- Lane Based Heterogeneous Traffic”. Journal of Intelligent Transportation Systems (JITS) – Technology, Planning and operation, https://doi.org/10.1080/15472450.2020.1775086. Science Citation Indexed. IF: 4.3.

9. Vanumu, L.D., Arya, A., Hari Krishna Gaddam. and Rao, K.R. Modelling emergency evacuation of classroom with different age profiles. Collective Dynamics, 5, pp.374-381. http://dx.doi.org/10.17815/CD.2020.96. 

10. Hari Krishna Gaddam, Asha Kumari Meena and K. Ramachandra Rao. “KdV-Berger Solution and Local Cluster Effect of Two-Sided Lateral Gap Continuum Model”.  International Journal of Modern Physics – Part B. Vol. 33, No. 15, 1950153 (2019). https://doi.org/10.1142/S0217979219501534. Science Citation Indexed. IF: 2.6.

11. Hari Krishna Gaddam and K. Ramachandra Rao. “Speed - Density Functional Relationship for Heterogeneous Traffic Data: A Statistical and Theoretical Investigation”. Journal of Railway Engineering Science (formerly Journal of Modern Transportation)- Vol.27, Issue.1, 2019. https://doi.org/10.1007/s40534-018-0177-7. Emerging Sources Citation and Web of Science Indexed. IF: 5.3.

12. Hari Krishna Gaddam and K. Ramachandra Rao. “Vehicle Behavioural Attributes and Macroscopic Flow Characteristics under Non-Lane Based Heterogeneous Traffic flow”. Archives of Transport. Vol. 52, Issue 4, 2019. doi: 10.5604/01.3001.0013.5570. Scopus Indexed. IF: 1.469.

13. Hari Krishna Gaddam and K. Ramachandra Rao. “Empirical Investigation of Multiclass Vehicle Behaviour under Heterogeneous Traffic Flow Conditions” European Transport, 6 (68), 1-13 (2018). Emerging Sources Citation and Web of Science Indexed. IF: 0.547.

14. Hari Krishna Gaddam, Anjaneyulu Chinthireddy, and K. Ramachandra Rao. 2016 Comparison of Numerical Schemes for LWR Model under Heterogeneous Traffic Conditions. Periodica Polytechnica. Transportation Engineering, Vol.44, no. 3, pp: 132. https://doi.org/10.3311/PPtr.8297. Scopus Indexed. IF: 1.62.

15. Arroju, Ramu, Hari Krishna Gaddam, Lakshmi Devi Vanumu, and K. Ramachandra Rao. Comparative evaluation of roundabout capacities under heterogeneous traffic conditions. Journal of Railway Engineering Science (formerly Journal of Modern Transportation), Vol. 23, No. 4 (2015): 310-324. https://doi.org/10.1007/s40534-015-0089-8. Emerging Sources Citation and Web of Science Indexed.  IF: 5.3.

16. Aishwarya Ray; Vinay Kumar Gaddam; Sundara Kumar; Hari Krishna Gaddam, Identification of Hazardous prone lakes using Remote Sensing and ANN applications in Western Himalaya" is submitted to Spatial Information Research journal. Under Review. (Preprint available with Research Square. https://doi.org/10.21203/rs.3.rs-3007883/v1).

17. Mohit Kumar, Nikhil Singh, Hari Krishna Gaddam, Pradeep Kankeri, Universal Accessibility Index: A Pedestrian Centered Accessibility to Inclusive Transport System, Transport Research Procedia. Volume 82, 2025, Pages 1734-1752. https://doi.org/10.1016/j.trpro.2024.12.152. Scopus Indexed.

18. Prabhash Shukla, Keshav Swami, Hari Krishna Gaddam. Simulation Based Passengers Emergency Evacuation Study for a Double Decker Train Coach. Transportation Research Procedia, Volume 82, 2025, Pages 1054-1070. https://doi.org/10.1016/j.trpro.2024.12.113. Scopus Indexed.

19. Sudhanshu Pawar, Ananthakrishnan Tandyekkal, Hari Krishna Gaddam. Point Based System for Assessing Passenger Level of Service at Public Transport Terminals: A Railway Case Study, Transportation Research Procedia, Volume 82, 2025, Pages 1753-1770. https://doi.org/10.1016/j.trpro.2024.12.153. Scopus Indexed.

1. Aman Priye and Hari Krishna Gaddam, Sentiment Analysis of Railway Passenger Tweets using Natural Language Processing and Machine Learning Models. Recent Advances in Infrastructure Development, RAID 2024, NIT Calicut, 12th -13th February 2024. 

2. Ishwar Chandra Patel, Shubham patel and Hari Krishna Gaddam, Development of Pothole Detection System Using Yolo V8 Machine Learning Algorithm. Recent Advances in Infrastructure Development, RAID 2024, NIT Calicut, 12th -13th February 2024. 

3. Mohit Kumar, Nikhil Singh, Hari Krishna Gaddam, Pradeep Kankeri, Universal Accessibility Index: A Pedestrian Centered Accessibility to Inclusive Transport System, World Conference on Transport Research - WCTR 2023 Montreal 17-21 July 2023.

4. Prabhash Shukla, Keshav Swami, Hari Krishna Gaddam. Simulation Based Passengers Emergency Evacuation Study for a Double Decker Train Coach. World Conference on Transport Research - WCTR 2023 Montreal 17-21 July 2023.

5. Sudhanshu Pawar, Ananthakrishnan Tandyekkal, Hari Krishna Gaddam. Point Based System for Assessing Passenger Level of Service at Public Transport Terminals: A Railway Case Study, World Conference on Transport Research - WCTR 2023 Montreal 17-21 July 2023.

6. Raghuram Kadali, Surya SSR Gadiraju, Hari Krishna Gaddam, Analysis of Travellers Risk Perceptions about Public Transit Systems during COVID-19 Pandemic, Transportation Research Board 2022 Annual Meeting, Washington D.C.

7. Kaustubh Rastogi, Hari Krishna Gaddam. A Novel Framework for Efficient Pickup and Drop Off of Students in India: Integrated City School Bus Model. The 8th International Conference on Transportation Systems Engineering and Management (CTSEM 2021), NIT Calicut, 26th -27th August, 2021.

8. Hari Krishna Gaddam. Investigation of Pedestrian Flow Characteristics under Mobile Phone Distraction – An Indore Experimental Study. The 8th International Conference on Transportation Systems Engineering and Management (CTSEM 2021), NIT Calicut, 26th -27th August, 2021.

9. Vaibhav Negi, Hari Krishna Gaddam, K. Ramachandra Rao, Estimation of Capacity and Passenger Car Equivalent Values for Multilane Roundabouts – An Indian Case Study, 24th International Conference of Hong Kong Society for Transportation Studies (HKSTS), Hong Kong, Dec, 2019.

10. Hari Krishna Gaddam, K. Ramachandra Rao., “Macroscopic Continuum Models for Non-Lane Based Heterogeneous Traffic Environment- A Methodological Review”. Transportation Research Board (TRB) - 98th Annual Meeting, Washington D.C. USA, January 2019.

11. Hari Krishna Gaddam, Aditya Arya, Lakshmi Devi Vanumu, and K. Ramachandra Rao. Calibration and Validation of Pedestrian Simulation Parameters: A Case Study of Classroom Evacuation. Transportation Research Board 97th Annual Meeting Transportation Research Board (TRB). No. 18-02911. Washington, D.C, USA, January 2018.

12. Hari Krishna Gaddam, K. Ramachandra Rao., Calibration of Non-Lane based Macroscopic Continuum Model -Applying Global Search Algorithms. Mathematics Applied in Transport and Traffic Systems (MATTS-2018), TU Delft, Netherlands, October 2018.

13. Lakshmi Devi Vanumu, Aditya Arya, Hari Krishna Gaddam, and K. Ramachandra Rao. Modelling Emergency Evacuation of Classroom with Different Age Profiles. 9th Pedestrian and Evacuation Dynamics (PED-2018). Lund, Sweden, August 2018. 

14. Vaibhav Negi, Hari Krishna Gaddam, K. Ramachandra Rao., Driver Gap Acceptance Characteristics of Roundabouts and Meta-Analysis of Recent Studies in India. RATE 2018, Recent Advances in Traffic Engineering, SVNIT Surat, India. August 2018.

15. Hari Krishna Gaddam, K. Ramachandra Rao., Higher-Order Continuum Model and Its Numerical Solution for Heterogeneous Traffic Flow with Non- Lane discipline. 12th edition of Traffic and Granular Flow (TGF-17), George Washington University, Washington, D.C, USA, July 2017.

16. Mohit Kumar Singh, Hari Krishna Gaddam, Lakshmi Devi Vanumu, K Ramachandra Rao. Traffic Data Extraction Using MATLAB® Based Tool. 12th international conference on Transportation Planning and implementation Methodologies for Developing Countries (TPMDC-2016), IIT Mumbai, 19-21 December, 2016.

1. Negi, V., Hari Krishna Gaddam, Ramachandra Rao, K. (2022). Dynamic Passenger Car Equivalency Values for Multilane Roundabouts Under Mixed Traffic Conditions—A Case Study. In: Anjaneyulu, M.V.L.R., Harikrishna, M., Arkatkar, S.S., Veeraragavan, A. (eds) Recent Advances in Transportation Systems Engineering and Management. Lecture Notes in Civil Engineering, vol 261. Springer, Singapore. (11th November 2022 first online) https://doi.org/10.1007/978-981-19-2273-2_5. SCOPUS Indexed.

2. Hari Krishna Gaddam and K. Ramachandra Rao. Higher-Order Continuum Model and Its Numerical Solutions for Heterogeneous Traffic Flow with Non- Lane Discipline. In: Hamdar S. (eds) Traffic and Granular Flow '17. TGF 2017. Springer, Cham. https://doi.org/10.1007/978-3-030-11440-4_3.

• Proposal named “Scope of AI and ML based technologies in smart mobility and transportation eco-system” submitted under a scheme Access to Knowledge for Technology Development & Dissemination Support to Studies (A2K+). Department of Scientific & Industrial Research, Ministry of Science & Technology, Government of India. Proposed Budget Rupees 19,29,240. 

Role: Co-PI.

• Unmanned Aerial Vehicles (UAVs) and Machine Learning Tools for Traffic Operations and Management: Methodologies, Algorithm and Practical Insights, will submit to Gati Shakti Vishwavidyalaya, Proposed Budget Rupees 5,00,000/-. Role: PI.

• Proposal for High- End Workshops (“KAARYASHALA”) on “Innovations in Transportation Infrastructure Development and Management.” (ITIDM-2023), SERB, DST. Proposal is Accepted, Total Funding Rupees 4,00,000/-. Role: PI.

• National Short term Expert project with GIZ India is completed with worth of 1015 EUR. (Rupees 1,00,000 approximately). Work is on "IPT operator Willingness to Shift to E-modes" survey form and conducted surveys along the L P Savani Metro Corridor. Conducted Reconnaissance, Photo Documentation, Activity and Street network inventory mapping of the GMZ site. video recording at identified junctions and conducted vehicle count to fill the CVC survey sheet

• Traffic Study and its alternative routes on existing 5 flyovers (Viswamitri, Akota, Jetalpur, Pandya and Chhani Flyover), RUBs for our LG works (Ref: LTC/HCI/MAHSR/Pkg-C5/CL/2023/1094) which is a part of Vadodara high speed rail project and adjoining viaduct construction. Cost of consultancy work: Rs. 18,69,120/- (Rupees eighteen lakshs sixty-nine thousand one hundred and twenty rupees).

• Traffic Management study: study &. submission of Traffic Management Plan-Near Vadodara City & Central ST Bus Stand. The components under consultancy work are: Traffic volume study, Pedestrian movement study, consultation advisory services on the better Traffic Management system to ease out the Traffic congestions during the construction activity from Feb 2023 to May 2023; Traffic Diversion Plan & alternate route for City & GSRTC Bus movements till completion of construction activity. Name of the Organization: L &T Construction Heavy Civil Infrastructure. Project: C5 Package- Design and construction 8.239 km long viaduct including 1 station for MAHSR project. Cost of consultancy work: Rs. 2,04140/- (Rupees two lakshs four thousand and one hundred forty only).

1. Chairman and Faculty In-charge for Career Development Center, GSV from January 2024 onwards.

2. Member Board Of studies B. Tech – Civil Engineering (Specialization: Rail Engineering) at GSV from 14th May 2024 onwards.

3. Faculty in charge for Transportation Engineering and Survey& Geomatics labs from 13th May 2024 onwards.

4. Program Co-Ordinator MBA (LSCM and TEM) at GSV from May 2022 -January 2024.

5. Faculty Coordinator for BBA Program 2022-23

6. Faculty coordinator, Management Conclave, EPITOME Technical Fest 2023, GSV, 25th-26th March 2023. 

7. Faculty coordinator for UG Placements. Part of the placement activity, organized guest speaker sessions from various companies working in supply chain and logistics. 2022-23

8. Faculty coordinator for UG Internships. Part of the placement activity, organized guest speaker sessions from various companies working in supply chain and logistics. 2022-23

9. Member of B. Tech Curriculum Development and Grades Review Committee

10. Member of Lab Establishment Committee

11. Established Fluid Mechanics Lab and Transportation engineering Lab worth of 70 lakhs together.

• October 2023-Visitng Faculty Adani University, Ahmedabad, Gujarat. January 2024

• August 2023 - Working Group Member- Meta Data and Data Standards for Logistics (MDDS) Under the project e-governance standards and guidelines – supported by MeiTy-GOI.

• 2021- Road Safety Auditor Certification Central Road Research Institute, CSIR, New Delhi, India.

• 2017    International Travel Grant - Awarded by Science and Engineering Research Board (SERB), Department of Science and Technology (DST). Awarded for to attend a conference in Washington, D.C. 

• 2017- Fellowship for international Travel - Awarded by Ministry of Urban Development (MOUD), Government of India