Jun Liu, PhD

Conference Papers & Presentations 

(TRB paper = 32; * indicates Dr.Liu's advisor or principle investigator at the time of the work)

2018

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• Liu, J. & A. Khattak*. Mapping Location-Based Driving Volatility for Connected and Automated Vehicles. TRB Paper # 18-00825. Accepted for presentation at The Transportation Research Board 97th Annual Meeting, National Academies, Washington, D.C., 2018.

• Wali, B., A. Khattak*, D. Greene* & J. Liu. Fuel Economy Gaps Within & Across Garages: Exploring Variations and Heterogeneity. TRB Paper # 18-00063. Accepted for presentation at The Transportation Research Board 97th Annual Meeting, National Academies, Washington, D.C., 2018.

• Liu, J. A. Khattak*, C. Chen, D. Wan, J. Ma & J. Hu. Revisiting Hit-and-Run Crashes: A Geo-spatial Method. TRB Paper # 18-03009. Accepted for presentation at The Transportation Research Board 97th Annual Meeting, National Academies, Washington, D.C., 2018. 

• Wali, B., A. Khattak*, D. Greene* & J. Liu. Analyzing within Garage Fuel Economy Gaps to Support Vehicle Purchasing Decisions – A Copula Based Approach. Accepted for presentation at The Transportation Research Board 97th Annual Meeting, National Academies, Washington, D.C., 2018.

• Wan, D., C. Kamga & J. Liu. Bicyclist-involved Crashes on Roadway Segments in New York City: A Spatial Analysis of Injury Severity. TRB Paper # 18-02980. Accepted for presentation at The Transportation Research Board 97th Annual Meeting, National Academies, Washington, D.C., 2018.

• Zhang, X., J. Ma, B. Smith & J. Liu. Operational Performance Evaluation of the Managed Lane Strategy for Early Deployment of Cooperative Adaptive Cruise Control. TRB Paper # 18-06287. Accepted for presentation at The Transportation Research Board 97th Annual Meeting, National Academies, Washington, D.C., 2018.

• Wan, D., C. Kamga & J. Liu. Injury Severity of Bicyclist-Involved Crashes at Intersections: A Comparative Study in New York City. TRB Paper # 18-02988. Accepted for presentation at The Transportation Research Board 97th Annual Meeting, National Academies, Washington, D.C., 2018.

 

2017

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• Liu, J. Webinar: Simulations of Shared Autonomous Vehicles using MATSim. Ford Motor Company. November, 2017. 

• Liu, J., A. Khattak* & B. Wali. Do Safety Performance Functions Vary Across Space? Application of Geographically Weighted Regressions. TRB paper # 17-00237. Presented at the Transportation Research Board Annual Meeting, National Academies, Washington, D.C., 2017.

• Liu, J., K. Kockelman*, P. Boesch & F. Ciari. Tracking a System of Shared Autonomous Vehicles across the Austin, Texas Network using Agent-Based Simulation. TRB paper # 17-00469. Presented at the Transportation Research Board Annual Meeting, National Academies, Washington, D.C., 2016.

• Khattak, A.*, B. Wali & J. Liu. A Note on Heterogeneity Assessment of Incident Durations: Comparison of Random Parameter and Quantile Regressions. TRB paper # 17-00236. Presented at the Transportation Research Board Annual Meeting, National Academies, Washington, D.C., 2017. 

• Liu, J., K. Kockelman* & A. Nichols. Anticipating the Emissions Impacts of Smoother Driving by Connected and Autonomous Vehicles, Using the MOVES Model. Presented at the Transportation Research Board Annual Meeting, National Academies, Washington, D.C., 2017. 

• Boakye, K., A. Khattak*, J. Liu & S. Nambisan. How Smartphone and Non-Smartphone Users Access and Use Traveler Information Systems. TRB paper # 17-00698. Presented at the Transportation Research Board Annual Meeting, National Academies, Washington, D.C., 2017. 

• Zhang, M., A. Khattak*, J. Liu & D. Clarke. A Comparative Study of Rail-Pedestrian and Bicyclist Trespassing Crash Injury Severity at Highway-Rail Grade Crossings and Non-Crossings. TRB paper # 17-00252. Presented at the Transportation Research Board Annual Meeting, National Academies, Washington, D.C., 2017. 

• Liu, J, A. Khattak* & S. Richards. Geo-Spatial Modeling of Motorist Gate-violation Behaviors at Highway-Rail Grade Crossings. TRB paper # 17-02623. Presented at the Transportation Research Board Annual Meeting, National Academies, Washington, D.C., 2017. 

• Rios-Torres, J., J. Liu & A. Khattak*, Personal Fuel Economy in Conventional and Hybrid Electric Vehicles: Integrating Driving Cycle Predictions with Power Distribution Optimization. TRB paper # 17-04692. Presented at the Transportation Research Board Annual Meeting, National Academies, Washington, D.C., 2017. 

• Loeb, B., K. Kockelman* & J. Liu. Shared Autonomous Electric Vehicle (SAEV) Operations across the Austin, Texas Network with a Focus on Charging Infrastructure Decisions, TRB paper # 17-01151. Presented at the Transportation Research Board Annual Meeting, National Academies, Washington, D.C., 2017.

 

2016

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• Liu, J. The Roles of Big Data and Connected & Automated Vehicles in Transportation Systems. Chang’an University, Xi’an, China, December, 2016. 

• Liu, J. Connected & Automated Vehicles in Smart Transportation Systems. Huazhong University of Science & Technology, Wuhan, China, December, 2016.  

• Liu, J. Driving Volatility in Instantaneous Driving Behaviors: A Research Framework for Large-scale Vehicular Trajectory Data. Department of Civil & Environmental Engineering, Mississippi State University. March, 2016.

• Liu, J., K. Kockelman*, P. Boesch & F. Ciari. Tracking a System of Shared Autonomous Vehicles across the Austin, Texas Network using Agent-Based Simulation. Presented at 2016 Automated Vehicles Symposium, San Francisco, CA, July 19-21, 2016.

• Liu, J., K. Kockelman* & A. Nichols. Anticipating the Emissions Impacts of Autonomous Vehicles Using the MOVES Model. Presented at 2016 Automated Vehicles Symposium, San Francisco, CA, July 19-21, 2016.

• Khattak, A.*, B. Wali & J. Liu, Analysis of Incidents Durations: Estimation of Random Parameter and Quantile Regressions. Presented at 23rd Intelligent Transportation Systems World Congress, Melbourne, Australia, October 10 ~14, 2016. 

• Liu, J., A. Khattak* & M. Zhang. What Role do Pre-crash Driver Actions Play in Work Zone Crashes? Untangling Hierarchies in Crash Data, TRB paper # 16-1586. Presented at the Transportation Research Board Annual Meeting, National Academies, Washington, D.C., 2016.

• Liu, J. & A. Khattak*. Delivering Improved Alerts, Warnings, and Control Assistance Using Basic Safety Messages Transmitted between Connected Vehicles, TRB paper # 16-0195. Presented at the Transportation Research Board Annual Meeting, National Academies, Washington, D.C., 2016. 

• Liu, J., A. Khattak* & M. Zhang. Structuring and Integrating Data in Metropolitan Regions to Explore Multi-Level Links between Driving Volatility and Correlates, TRB paper # 16-0194. Presented at the Transportation Research Board Annual Meeting, National Academies, Washington, D.C., 2016. 

• Greene, D.*, J. Liu & A. Khattak*. How does On-Road Fuel Economy Vary with Vehicle Cumulative Mileage and Daily Use? TRB paper # 16-1586. Presented at the Transportation Research Board Annual Meeting, National Academies, Washington, D.C., 2016. 

• Khattak, A.*, J. Liu, X. Li & M. Ng. Modeling Traffic Incident Duration Using Quantile Regression, TRB paper # 16-4235. Presented at the Transportation Research Board Annual Meeting, National Academies, Washington, D.C., 2016. 

• Greene, D.*, A. Khattak*, J. Liu, X. Wang, J. Hopson & R. Goeltz. Is there Evidence for a Gap between On-Road and Test Cycle Fuel Economy? TRB paper # 16-1579. Presented at the Transportation Research Board Annual Meeting, National Academies, Washington, D.C., 2016. 

• Wan, D., C. Kamga, J. Liu, A. Sugiura & E. Beaton. A Comparative Study of Passenger Satisfaction with Bus Rapid Transit with and without Awareness of Travel Information, TRB paper # 16-2895. Presented at the Transportation Research Board Annual Meeting, National Academies, Washington, D.C., 2016.

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2015

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• Liu, J. & A. Khattak*. Improved warning and assistance information from connected vehicle basic safety messages, Accepted for presentation at 2015 Intelligent Transportation Systems World Congress, Bordeaux, France, 2015.

• Liu, J., A. Khattak* & S. Richards. What Are the Consequences of Drivers Trespassing Highway-Rail Grade Crossings Equipped with Gates? A Spatial Approach Integrated with Path Analysis, Accepted for presentation at 2015 Road Safety & Simulation International Conference, Orlando, FL, 2015. 

• Liu, J., A. Khattak* & S. Richards. How Safe Are Narrow Lanes? Applications of Safety Models, Accepted for presentation at 2015 Road Safety & Simulation International Conference, Orlando, FL, 2015. 

• Liu, J., A. Khattak* & M. Zhang, Exploring Links between Naturalistic Driving Behaviors and Various Factors in Hierarchies: A Study Integrating Multiple Data Sources, Accepted for presentation at 2015 Road Safety & Simulation International Conference, Orlando, FL, 2015.

• Zhang, M., A. Khattak*, J. Liu & D. Clarke, The Role of Rail-Trespassing Crashes at Highway-Rail Grade Crossings and Non-crossing Tracks? A Comparative Study on Injury Severity, Accepted for presentation at 2015 Road Safety & Simulation International Conference, Orlando, FL, 2015.

• Liu, J. The Role of Pre-crash Driver Actions in Work Zone Crashes. Transportation Seminar Series at the University of Tennessee, Knoxville, TN, November, 2015. 

• Liu, J. Customizing Driving Cycles for Fuel Economy Estimation. The Tennessee Section Institute of Transportation Engineers 2015 Summer Meeting, Gatlinburg, TN, July, 2015

• Liu. J. Data Analytics for Connected Vehicle Data. Southeastern Smart Mobility Consortium at the University of Tennessee, Knoxville, TN, April, 2015. 

• Liu, J., A. Khattak* & L. Han. How Much Information is Lost When Sampling Driving Behavior Data? Presented at the Transportation Research Board Annual Meeting, National Academies, Washington, D.C., 2015.

• Wang, X.(equally contributed) , J. Liu (equally contributed) & A. Khattak*. Generating Fuel Economy Information to Support Cost Effective Vehicle Choices: Comparing Standard and Customized Driving Cycles, Presented at the Transportation Research Board Annual Meeting, National Academies, Washington, D.C., 2015.

• Khattak, A.*, J. Liu & X. Wang. Supporting Instantaneous Driving Decisions through Trajectory Data, To be presented at the Transportation Research Board Annual Meeting, National Academies, Washington, D.C., 2015.

• Liu, J., A. Khattak* & X. Wang. Creating Indices for How People Drive in a Region: A Comparative Study of Driving Performance, Presented at the Transportation Research Board Annual Meeting, National Academies, Washington, D.C., 2015.

• Liu, J., A. Khattak*, S. Richards & S. Nambisan. What are the Differences in Driver Injury Outcomes at Highway-Rail Grade Crossings? The Role of Passive and Active Controls, Presented at the Transportation Research Board Annual Meeting, National Academies, Washington, D.C., 2015.

• Wang, X., A. Khattak*, J. Liu, & D. Clarke. Non-crossing Rail-Trespassing Crashes in the Past Decade: A Spatial Approach to Analysis of Injury Severity, Presented at the Transportation Research Board Annual Meeting, National Academies, Washington, D.C., 2015.

 

2014

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• Liu, J., X. Wang & A. Khattak*. Generating Real-Time Volatility Information, Presented at 2014 Intelligent Transportation Systems World Congress, Detroit, MI, 2014 

• Liu, J. A Micro-Measure for Automobile Driving Volatility, Presented at the Tennessee Section Institute of Transportation Engineers 2014 Summer Meeting, Gatlinburg, TN, 2014

• Bartnick B., J. Liu, S. Richards*, & A. Khattak. Driver behavior at railway-highway grade crossings with passive traffic controls: A driving simulator study, TRB paper # 14-2110. Presented at 2014 Transportation Research Board Annual Meeting, National Academies, Washington, D.C., 2014. 

• Liu, J., B. Bartnick, S. Richards*, & A. Khattak. How are driver characteristics related to safety at railroad-crossings? The case of passive railroad grade crossings, TRB paper # 14-4413. Presented at 2014 Transportation Research Board Annual Meeting, National Academies, Washington, D.C., 2014.

• Wang, X., A. Khattak*, G. Amoli, S. Son, & J. Liu, What is the Level of Volatility in Instantaneous Driving Decisions? TRB paper # 14-2780, Presented at the Transportation Research Board, National Academies, Washington, D.C., 2014.

• Liu, J. A Micro-Measure for Automobile Driving Volatility. The Tennessee Section Institute of Transportation Engineers 2014 Summer Meeting, Gatlinburg, TN, July, 2014.