Adam G Siekmann Contact 865.341.1528 | siekmanna@ornl.gov All Publications Enhanced Safety of Heavy-Duty Vehicles on Highways through Automatic Speed Enforcement – A Simulation Study Test Vector Development for Verification and Validation of Heavy-Duty Autonomous Vehicle Operations... Key Considerations in Assessing the Safety and Performance of Camera-Based Mirror Systems Spatio-Temporal Assessment of Heavy-Duty Truck Incident and Inspection Data... Optimizing Hydrogen Fueling Infrastructure Plans on Freight Corridors for Heavy-Duty Fuel Cell Electric Vehicles Spatio-temporal and weather characterization of road loads of electrified heavy-duty commercial vehicles across U.S. interstate roads Optimizing Long Term Hydrogen Fueling Infrastructure Plans on Freight Corridors for Heavy Duty Fuel Cell Electric Vehicles Designing Dynamic Wireless Power Transfer Corridors for Heavy Duty Battery Electric Commercial Freight Vehicles... Providing Levelized Cost and Waiting Time Inputs for HDV Hydrogen Refueling Station Planning: A Case Study of U.S. I-75 Corridor Modeling Freight Traffic Demand and Highway Networks for Hydrogen Fueling Station Planning: A Case Study of U.S. Interstate 75 Corridor Characterizing Minimum Admissible Separation Distances in Heavy Duty Vehicle Platoons Heavy Duty Commercial Vehicle Platooning Energy Benefits for Conventional and Electrified Powertrains Characterizing the Payback and Profitability for Automated Heavy Duty Vehicle Platooning Variability Analysis of FMVSS-121 Air Brake Systems: 60-mi/hr Service Brake System Performance Data for Truck Tractors Real-Time Dynamic Brake Assessment for Heavy Commercial Vehicle Safety Supply Chain-based Solution to Prevent Fuel Tax Evasion Key Links ORCID Organizations Energy Science and Technology Directorate Buildings and Transportation Science Division Vehicle and Mobility Systems Research Section Applied Research for Mobility Systems User Facilities National Transportation Research Center