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Papers Under Review

  • Agarwal, P. and Rambha, T., Scalable Algorithms for Bicriterion Trip-Based Transit Routing. [arXiv] [Code]

  • Bhatnagar, S., Rambha, T., and Ramadurai, G., An Agent-Based Framework for Fleet Management of First- and Last-Mile Services. [arXiv]

Journal Publications

  • Deepa, L., Pinjari, A. R., Nirmale, S. K., Srinivasan, K. K, and Rambha, T., 2022. A direct demand model for bus transit ridership in Bengaluru, India. Transportation Research Part A: Policy and Practice, 163, pp.126-147. (Winner: 6th CTRG Best Paper Award)

  • Anyidoho, P. Davidson, R. A., Rambha, T., and Nozick, L. K., 2022. Prediction of Population Behavior in Hurricane Evacuations. Transportation Research Part A: Policy and Practice, 159, pp.200-221.

  • Rambha, T., Nozick, L.K., and Davidson, R., 2021. Modeling Hurricane Evacuation Behavior using a Dynamic Discrete Choice Framework. Transportation Research Part B: Methodological, 150, pp.75-100. [PDF]

  • Rambha, T., Nozick, L.K., Davidson, R., Yi, W. and Yang, K., 2021. A stochastic optimization model for staged hospital evacuation during hurricanes. Transportation Research Part E: Logistics and Transportation Review, 151, p.102321. [PDF]

  • Simmhan, Y., Rambha, T., Khochare, A., Ramesh, S., Baranawal, A., George, J.V., Bhope, R.A., Namtirtha, A., Sundararajan, A., Bhargav, S.S. and Thakkar, N., 2020. GoCoronaGo: Privacy Respecting Contact Tracing for COVID-19 Management. Journal of the Indian Institute of Science, pp.1-24. [PDF]

  • Nath, R.B. and Rambha, T., 2019. Modelling Methods for Planning and Operation of Bike-Sharing Systems. Journal of the Indian Institute of Science, 99(4), pp.621-645. [PDF]

  • Rambha, T., Boyles, S.D., Unnikrishnan, A., and Stone, P., 2018. Marginal cost pricing for system optimal traffic assignment with recourse under supply-side uncertainty. Transportation Research Part B: Methodological, 110, pp.104-121. [PDF]

  • Sharon, G., Levin, M.W., Hanna, J.P., Rambha, T., Boyles, S.D., and Stone, P., 2017. Network-wide adaptive tolling for connected and automated vehicles. Transportation Research Part C: Emerging Technologies, 84, pp.142-157. [PDF]

  • Rambha, T., Boyles, S.D., and Waller, S.T., 2016. Adaptive transit routing in stochastic time-dependent networks. Transportation Science, 50(3), pp.1043-1059. [PDF]

  • Rambha, T. and Boyles, S.D., 2016. Dynamic pricing in discrete time stochastic day-to-day route choice models. Transportation Research Part B: Methodological, 92, pp.104-118. [PDF]

  • Boyles, S.D. and Rambha, T., 2016. A note on detecting unbounded instances of the online shortest path problem. Networks, 67(4), pp.270-276.[PDF]

  • Tang, S., Rambha, T., Hatridge, R., Boyles, S.D. and Unnikrishnan, A., 2014. Modeling parking search on a network by using stochastic shortest paths with history dependence. Transportation Research Record, 2467(1), pp.73-79. (Winner: The Fred Burggraf Best Paper Award; Special mention: The Stella Dafermos Best Paper Award) [PDF]

  • Boyles, S.D., Rambha, T. and Xie, C., 2014. Equilibrium analysis of low-conflict network designs. Transportation Research Record, 2467(1), pp.129-139. [PDF]

Technical Reports

  • Pandey, V., T. Rambha, and N. Singh. (2021) Imitating a Variant of the Traveling Salesman Problem. Technical Proceedings of the Amazon Last Mile Routing Research Challenge.

  • Boyles, S. D., C. M. Walton, J. Duthie, E. Jafari, N. Jiang, A. Khani, J. Li, J. Osorio, V. Pandey, T. Rambha, and C. Yahia. (2018) A Planning Tool for Active Traffic Management Combining Microsimulation and Dynamic Traffic Assignment. Texas Department of Transportation report FHWA/TX-17/0-6859-1. [PDF]

  • Boyles, S. D., C. Melson, T. Rambha, and J. Duthie. (2014) Game-Theoretic Analysis of Dynamic Traffic Equilibria. Southwest Region University Transportation Center report SWUTC/14/600451-00079-1. [PDF]

  • Rambha, T., and S. D. Boyles. (2013) Game Theory and Traffic Assignment. Southwest Region University Transportation Center report SWUTC/13/600451-00065-1. [PDF]

  • Duthie, J. C,. Nezamuddin, N. Ruiz-Juri, T. Rambha, C. Melson, C. M. Pool, S. D. Boyles, S. T. Waller, and R. Kumar. (2013) Investigating Regional Dynamic Traffic Assignment Modeling for Improved Bottleneck Analysis. Texas Department of Transportation report FHWA/TX-13/0-6657-1. [PDF]

Book Chapters

  • Rambha, T., Jafari, E. and Boyles, S.D., 2019. Transportation network issues in evacuations. In New Media in Times of Crisis (pp. 144-173). Routledge.

Conferences

  • Agarwal, P. and T. Rambha. (2022) Improving public transit routing through multilevel partitioning. Triennial Symposium on Transportation Analysis (TRISTAN) XI, Balaclava, Mauritius.

  • Thomas, H. and T. Rambha. (2022) Comparison of importance sampling based inverse reinforcement learning methods for modelling driver behaviour. 10th Transportation Science and Logistics (TSL) Workshop, Bergen, Norway.

  • Bhatnagar, S., T. Rambha, and G. Ramadurai. (2021) An agent-based modelling approach for efficient last-mile connectivity. 6th Conference of the Transportation Research Group of India (CTRG), Trichy, India.

  • Agarwal, P. and T. Rambha. (2021) Improved Trip-based Public Transit routing. 6th Conference of the Transportation Research Group of India (CTRG), Trichy, India.

  • Nath, R.B. and T. Rambha. (2021) Dynamic Rebalancing in Bicycle Sharing Systems using Deterministic Policy Gradients. 6th Conference of the Transportation Research Group of India (CTRG), Trichy, India.

  • Deepa, L., A. R. Pinjari, S. K. Nirmale, K. K. Srinivasan, and T. Rambha. (2021) A Direct Demand Model of Bus Transit Ridership Considering Spatial Disaggregation, Inter-Route Relationships, Demand-Supply Endogeneity, and Supply Constraints. 6th Conference of the Transportation Research Group of India (CTRG), Trichy, India.

  • Yogalakshmi, J. and T. Rambha. (2021) Impacts of Dynamic Bus Holding Strategy to Avoid Bus Bunching. 6th Conference of the Transportation Research Group of India (CTRG), Trichy, India.

  • Nath, R.B. and T. Rambha. (2021) Dynamic Rebalancing In Bicycle Sharing Systems Using Deterministic Policy Gradients. Annual Meeting of the Institute for Operations Research and Management Sciences (INFORMS), Anaheim, US.

  • Bhatnagar, S., T. Rambha, and G. Ramadurai. (2021) Optimizing Vehicle Allocation For First- And Last-mile Connectivity Using An Agent-based Framework. Annual Meeting of the Institute for Operations Research and Management Sciences (INFORMS), Anaheim, US.

  • Agarwal, P. and T. Rambha. (2021) Improving Public Transit Routing Through Multilevel Partitioning. Annual Meeting of the Institute for Operations Research and Management Sciences (INFORMS), Anaheim, US.

  • Thomas, H. and T. Rambha. (2021) Inverse Reinforcement Learning Models for Driver Behaviour. Annual Meeting of the Institute for Operations Research and Management Sciences (INFORMS), Anaheim, US.

  • Goswami, S., Tallapragada, P., and T. Rambha. (2021) Optimal Supply Control for Shared Mobility with Logit Mode-Choice Dynamics. IEEE International Intelligent Transportation Systems Conference (ITSC), Indianapolis, US. [PDF]

  • Agarwal, P. and T. Rambha. (2021) An Empirical Analysis of the Effect of Travel Time Variability on Transit Routing. International Conference on COMmunication Systems & NETworkS (COMSNETS), Bangalore, India.

  • Rambha, T., M. Albert, G. Sharon, S. D. Boyles, and P. Stone. (2019) Identifying Compliant Users Needed for Social Optimum Routing in Traffic Networks. Triennial Symposium on Transportation Analysis (TRISTAN) X, Hamilton Island, Australia.

  • Singh, N. and T. Rambha. (2019) Offline Optimization of Cab Supply for Ride-Sharing Applications using Hypergraph Matching. 15th World Conference on Transport Research (WCTR), Mumbai, India.

  • Rambha, T., L. Nozick, and R. Davidson. (2019) Modeling Departure Time Decisions during Hurricanes using a Dynamic Discrete Choice Framework. 98th Annual Meeting of the Transportation Research Board (TRB), Washington, D.C., US.

  • Sharon, G., M. Albert, T. Rambha, S. D. Boyles, and P. Stone. (2018) Traffic Optimization for a Mixture of Self-interested and Compliant Agents. In the Proceedings of the 32nd AAAI Conference on Artificial Intelligence (AAAI-18), New Orleans, US.

  • Rambha, T. (2017) Addressing Equity Issues Associated with Roadway Pricing. Urban Mobility India-Cooperation for Urban Mobility in the Developing World XVII Conference, Hyderabad, Telangana, India.

  • Rambha, T., E. Jafari, and S. D. Boyles. (2017) Transportation network issues in evacuation management. New Agendas in Communication: Crisis Communication and New Media Conference, Austin, US.

  • Sharon, G., J. P. Hanna, T. Rambha, M. W. Levin, M. Albert, S. D. Boyles, and P. Stone. (2017) Real-time adaptive tolling scheme for optimized social welfare in traffic networks. 16th International Conference on Autonomous Agents and Multiagent Systems (AAMAS 2017), Sao Paulo, Brazil.

  • Rambha, T., S. D. Boyles, and A. Unnikrishnan. (2017) Minimum Expected Revenue System Optimum Tolls under Supply-Side Uncertainty. 96th Annual Meeting of the Transportation Research Board (TRB), Washington, D.C., US.

  • Rambha, T., S. D. Boyles, and A. Unnikrishnan. (2016) A Destination-based Algorithm for User Equilibrium with Recourse using Split Proportions. Annual Meeting of the Institute of Operations Research and Management Sciences (INFORMS), Nashville, US.

  • Sharon, G., J. Hanna, T. Rambha, M. Albert, P. Stone, and S. D. Boyles. (2016) Delta-tolling: Adaptive Tolling for Optimizing Traffic Throughput. 9th International Workshop on Agents in Traffic and Transportation (ATT 2016), New York, US.

  • Rambha, T. and S. D. Boyles. (2015) Reinforcement Learning Approaches for Dynamic Congestion Pricing in Day-to-Day Network Models. 95th Annual Meeting of the Transportation Research Board (TRB), Washington, D.C., US.

  • Jafari, E., T. Rambha, A. Khani, and S. D. Boyles. (2015) The For-Profit Dial-a-Ride Problem on Dynamic Networks. 95th Annual Meeting of the Transportation Research Board (TRB), Washington, D.C., US.

  • Rambha, T. and S. D. Boyles. (2015) Mechanism Design for Route Assignment in Traffic Networks. Annual Meeting of the Institute for Operations Research and Management Sciences (INFORMS), Philadelphia, US.

  • Rambha, T. and S. D. Boyles. (2015) Applications of Dynamic Pricing in Day-to-Day Equilibrium Models. 94th Annual Meeting of the Transportation Research Board (TRB), Washington, D.C., US.

  • Boyles, S. D., T. Rambha, and J. Duthie. (2014) Demand uncertainty and optimism in planning forecasts. Transportation Science and Logistics (TSL) Workshop, Chicago, US.

  • Rambha, T. and S. D. Boyles. (2014) Dynamic Pricing and Learning in Network Equilibrium Models. Annual Meeting of the Institute for Operations Research and Management Sciences (INFORMS), San Francisco, US.

  • Boyles, S. D., T. Rambha, and C. Xie. (2014) Equilibrium Analysis of Low-Conflict Network Designs. 93rd Annual Meeting of the Transportation Research Board (TRB), Washington, D.C., US.

  • Tang, S., T. Rambha, R. Hatridge, S. D. Boyles, and A. Unnikrishnan. (2014) Modeling Parking Search on a Network Using Stochastic Shortest Paths with History Dependence. 93rd Annual Meeting of the Transportation Research Board (TRB), Washington, D.C., US.

  • Rambha, T., Y. Kai, and S. D. Boyles. (2013) Game-Theoretic Learning Models in Traffic Assignment. Annual Meeting of the Institute for Operations Research and Management Sciences (INFORMS), Minneapolis, US.

  • Tang, S., T. Rambha, R. Hatridge, S. D. Boyles, and A. Unnikrishnan. (2013) Parking Search, Information, and Online Routing Problems. Annual Meeting of the Institute for Operations Research and Management Sciences (INFORMS), Minneapolis, US.

  • Boyles, S. D., J. Duthie, C. Melson, and T. Rambha. (2013) Diverge Models and Dynamic Traffic Equilibria. Annual Meeting of the Institute for Operations Research and Management Sciences (INFORMS), Minneapolis, US.

  • Rambha, T., S. D. Boyles, and S. T. Waller. (2013) Adaptive Transit Routing in Stochastic Time-Dependent Networks. 92nd Annual Meeting of the Transportation Research Board (TRB), Washington, D.C., US.

  • Rambha, T., S. D. Boyles, and S. T. Waller. (2012) Adaptive transit routing under uncertainty. Annual Meeting of the Institute for Operations Research and Management Sciences (INFORMS), Phoenix, US.