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NHTSA - Vehicle Safety Research

rosaP Repository & Open Science Access Portal

This collection includes reports from the National Highway Traffic Safety Administration (NHTSA) Office of Vehicle Safety Research program. NHTSA’s Office of Vehicle Safety Research program's mission is to strategize, plan, and implement research programs to continually further the Agency's goals in reduction of crashes, fatalities, and injuries. Research is prioritized based on potential for crash/fatality/injury reductions and is aligned with Congressional Mandates, DOT, and NHTSA goals. More information on the program can be found at https://www.nhtsa.gov/research-data. Bookmark this collection: https://rosap.ntl.bts.gov/collection_nhtsa_vsr or https://doi.org/10.21949/1530844.

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Showing 61 - 80 of 241 results
  • Hydrogen Container Performance Testing
    Hydrogen Container Performance Testing
    Dixon, Matthew ;
    Smutny, Tanja
    2022-06-01 | PDF
    This report describes research to evaluate the life cycle durability testing requirements for high pressure hydrogen containers set forth in the Global Technical Regulation (GTR) No. 13 for hydrogen and fuel cell vehicles. NHTSA is considering adopting the GTR requirements into a Federal Motor Vehicle Safety Standard. However, the GTR lacks detail ...
  • FMVSS No 213a Side Impact Test Evaluation and Revision
    FMVSS No. 213a Side Impact Test Evaluation and Revision
    Louden, Allison E. ;
    Wietholter, Kedryn
    2022-04-01 | PDF
    In 2014 NHTSA published a notice of proposed rulemaking (NPRM) requiring all child restraint systems (CRSs) seating children up to 40 lb to provide protection in side impact crashes. The proposed sled test simulates rear seat environment of the two-vehicle side crash replicated by the Federal Motor Vehicle Safety Standard No. 214, “Side impact prot ...
  • Testing of Unattended Child Reminder Systems
    Testing of Unattended Child Reminder Systems
    Prasad, Aloke ;
    Wetli, Alaine
    2022-04-01 | PDF
    NHTSA tested aftermarket, prototype, and original equipment manufacturer (OEM) unattended child reminder systems available for purchase or testing in the summer of 2020. Generalized functional assessment methodologies to document the systems’ capabilities were developed. The study intended to assess new systems and technologies introduced since the ...
  • Results of Event Data Recorders PreCrash Duration Study A Report to Congress
    Results of Event Data Recorders Pre-Crash Duration Study: A Report to Congress
    United States. Department of Transportation. National Highway Traffic Safety Administration. Office of Vehicle Safety Research
    2022-03-01 | PDF
    The 2015 Fixing America’s Surface Transportation Act (FAST Act), Pub. L. No. 119-14, SEC. 24303, Vehicle Event Data Recorder Study, requires NHTSA to submit to Congress a report on results of a study determining the amount of time event data recorders in passenger motor vehicles should capture and record vehicle-related data to provide sufficient i ...
  • Event Data Recorder Duration Study Appendix to a Report to Congress Report No DOT HS 813 082B
    Event Data Recorder Duration Study [Appendix to a Report to Congress. Report No. DOT HS 813 082B]
    Chen, Rong Jackey ;
    Tatem, Whitney
    2022-03-01 | PDF
    Widespread deployment of event data recorders offers opportunity to determine crash causation and better understand driver pre-crash behavior. New EDRs yield comprehensive snapshots of the vehicle kinematics and driver inputs prior to a crash including vehicle speed, yaw rate, acceleration, accelerator position, brake application, and steering inpu ...
  • Propagation Mitigation Testing Procedures Modeling and Analysis
    Propagation Mitigation Testing Procedures, Modeling, and Analysis
    Lamb, Joshua ;
    Kim, Jinyong
    2022-03-01 | PDF
    This work explores propagation mitigation in packs of lithium ion pouch cells commonly used in large electric vehicles. Sub-assemblies were constructed of three cells wired in series used to build the full test pack by wiring three of the sub-assemblies together in parallel. Abuse tests were then used to initiate failure within a single cell in eit ...
  • Comparison of the aPLI FlexPLI with Upper Body Mass and FlexPLI Pedestrian Legforms in MatchedPair Vehicle Tests
    Comparison of the aPLI, FlexPLI with Upper Body Mass, and FlexPLI Pedestrian Legforms in Matched-Pair Vehicle Tests
    Suntay, Brian ;
    Stammen, Jason
    2022-02-01 | PDF
    Pedestrian knee ligament injuries and lower leg fractures are the most frequent and among the most debilitating long-term injuries in motor vehicle crashes. Global Technical Regulation No. 9, Pedestrian Safety, has been adopted by the international community to mitigate these pedestrian injuries through improved vehicle bumper systems. The current ...
  • WorldSID 50th Percentile Male Durability Assessment
    WorldSID 50th Percentile Male Durability Assessment
    Rhule, Dan ;
    Millis, William
    2022-01-01 | PDF
    The purpose of this report is to document the durability assessment of the WorldSID 50th Percentile Adult Male dummy when exposed to severe test conditions. In this assessment, the dummy was subjected to component qualification tests conducted at elevated energy levels. Prior to and following completion of the elevated energy tests, the dummy was e ...
  • Enhanced Seat Belt Reminder Systems An Observational Study Examining the Relationship with Seat Belt Use
    Enhanced Seat Belt Reminder Systems: An Observational Study Examining the Relationship with Seat Belt Use
    Polson, A. ;
    Lerner, Neil
    2021-11-01 | PDF
    Seat belt use dramatically reduces the likelihood of severe injury or death in the event of a motor vehicle crash. As reported by the 2016 National Occupant Protection Use Survey, over 90 percent of drivers and front passengers now use seat belts. Fatality Analysis Reporting System data from 2015 indicated that the nationwide seat belt use rate rea ...
  • Automated Driving Systems Communication of Intent with Shared Road Users
    Automated Driving Systems’ Communication of Intent with Shared Road Users
    Jenness, James ;
    Benedick, Amy K
    2021-11-01 | PDF
    This project explored shared road users’ potential needs for information about Automated Driving Systems’ (ADS) intent and developed preliminary laboratory testing procedures for assessing external human-machine interface (eHMI) designs for communicating the intent of ADS-equipped vehicles. In Study 1, researchers interviewed driving instructors to ...
  • Classification of Level 2 Driving Automation Events Observed on Public Roads Part 2
    Classification of Level 2 Driving Automation Events Observed on Public Roads – Part 2
    Snyder, Andrew C. ;
    Rao, Sughosh J.
    2021-11-01 | PDF
    This report summarizes data collected while operating two passenger vehicles equipped with SAE level 2 driving automation systems on public roadways using three pre-established test routes. Driver-annotated videos were used to document system operation during a variety of traffic scenarios. Three classification types were used to categorize events ...
  • Assessing the Feasibility of Adding Additional Actors to Intersection Safety Assist Draft Test Scenarios
    Assessing the Feasibility of Adding Additional Actors to Intersection Safety Assist Draft Test Scenarios
    Davis, Ian J. ;
    Forkenbrock, Garrick J.
    2021-11-01 | PDF
    This report summarizes how variants of two test scenarios and three sub-scenarios, proposed in NHTSA’s intersection safety assist (ISA) draft research test procedure, were used to assess the feasibility of increasing the number of actors (e.g., other vehicles) in each driving situation. Better understanding the technical and logistic factors associ ...
  • Assessing the Feasibility of Adding Additional Actors to Traffic Jam Assist Test Scenarios
    Assessing the Feasibility of Adding Additional Actors to Traffic Jam Assist Test Scenarios
    Fogle, Erin E. ;
    Manahan, Taylor
    2021-11-01 | PDF
    This report summarizes how the suddenly revealed stopped vehicle (SRSV) and lead vehicle lane change with braking (LVLCB) test scenarios defined in NHTSA’s traffic jam assist (TJA) draft research test procedure were used to assess the feasibility of increasing the number of actors in each driving situation. Better understanding the technical and lo ...
  • Repeatability and Reproducibility of the FMVSS No 213 Side Impact Test
    Repeatability and Reproducibility of the FMVSS No. 213 Side Impact Test
    Wietholter, Kedryn ;
    Louden, Allison E.
    2021-11-01 | PDF
    This report documents NHTSA’s evaluation of testing using the proposed FMVSS No. 213 child side impact procedures conducted on both acceleration and deceleration sleds. In January 2014 the NHTSA released a Notice of Proposed Rulemaking to amend FMVSS No. 213 to include a side impact test and additional performance requirements for child restraint s ...
  • Methods Used to Develop a Model for Crash and Injury Projections for 20202030
    Methods Used to Develop a Model for Crash and Injury Projections for 2020–2030
    Mallory, Ann ;
    Kender, Allison
    2021-10-01 | PDF
    This report describes in detail the design and implementation of a projection model developed at NHTSA’s Vehicle Research and Test Center that will be used to identify future crash, occupant, and injury issues remaining. The most urgent issues in crash safety research have typically been identified with retrospective, real-world crash data. However ...
  • Draft Research Test Procedure Performability Assessment for Five ADAS Variants
    Draft Research Test Procedure Performability Assessment for Five ADAS Variants
    Arquette, Tyler E. ;
    Davis, Ian J.
    2021-10-01 | PDF
    This report summarizes an evaluation of five NHTSA draft research test procedures designed to evaluate the test track performance of light vehicles equipped with advanced driver assistance systems (ADAS): active park assist (APA), intersection safety assist (ISA), blind spot intervention (BSI), traffic jam assist (TJA), and opposing traffic safety ...
  • Evaluation of Foam Specifications for the Proposed FMVSS No 213 Test Bench
    Evaluation of Foam Specifications for the Proposed FMVSS No. 213 Test Bench
    Louden, Allison E. ;
    Wetli, Alaine
    2021-09-01 | PDF
    This report documents the development of the recommended test procedures and specifications for the seat cushion foam to be used on the proposed upgraded FMVSS No. 213 frontal sled buck assembly, in support of the recently issued notice of proposed rulemaking. Two sets of specifications are recommended: procurement specifications on which NHTSA (or ...
  • An Applied Review of Simulation Validation Approaches on a Vehicle Dynamics Model
    An Applied Review of Simulation Validation Approaches on a Vehicle Dynamics Model
    Salaani, Kamel ;
    Rao, Sughosh J.
    2021-09-01 | PDF
    This report presents an approach to vehicle dynamics modeling and validation of a Class 6 International 4300 SBA 4x2 truck, model year 2017, with pneumatic brakes. The model was developed using dSPACE Automotive Simulation Models for heavy vehicles with a hardware-in-the-loop pneumatic brake test bench. The report discusses vehicle model validation ...
  • Evaluation of Seat Foams for the FMVSS No 213 Test Bench
    Evaluation of Seat Foams for the FMVSS No. 213 Test Bench
    Wietholter, Kedryn ;
    Louden, Allison E.
    2021-09-01 | PDF
    Child restraint systems sold in the United States must meet performance requirements specified in the Federal Motor Vehicle Safety Standard No. 213, which includes a sled test simulating a 30 mph frontal impact. The design of the original FMVSS No. 213 test bench was based on a 1974 Chevrolet Impala bench seat. NHTSA updated some features of the be ...
  • LiIon Battery Pack Immersion Exploratory Investigation
    Li-Ion Battery Pack Immersion Exploratory Investigation
    Rask, Eric ;
    Stutenberg, Kevin
    2021-08-01 | PDF
    This research project was initiated by the National Highway Traffic Safety Administration to assess Li-ion battery pack immersion. Immersion of an electrified vehicle’s battery pack is a relatively infrequent occurrence in the real world, especially with a depth of water that can fully immerse a battery pack, yet there are many insights to be gaine ...
61 - 80 / 241