Skewed steel I-girder integral abutment bridges (IABs) are increasingly used due to their structural efficiency and elimination of deck joints. Thermally induced behavior of such bridge systems, however, remains insufficiently understood. This report documents the live load and thermal behavior of skewed steel I-girder bridges, which are representa
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08/10/2026
Dorado, R., Zhou, S., LaFave, J. M., & Fahnestock, L. A. (2026). Spatial and Temporal Load Distribution in Steel Bridge Superstructures (Vol. III): Investigation of Skew and Abutment Influence on Steel I-Girder Bridge Performance Under Live Load and Long-Term Thermal Effects Through Field Data and Parametric Studies (Report No. FHWA-ICT-26-010). Illinois Center for Transportation. https://doi.org/10.36501/0197-9191/26-012
Dorado, Ricardo, Siang Zhou, James M. LaFave, and Larry A. Fahnestock. Spatial and Temporal Load Distribution in Steel Bridge Superstructures (Vol. III): Investigation of Skew and Abutment Influence on Steel I-Girder Bridge Performance Under Live Load and Long-Term Thermal Effects Through Field Data and Parametric Studies. Report no. FHWA-ICT-26-010. Illinois Center for Transportation, 2026. https://doi.org/10.36501/0197-9191/26-012.
Dorado, Ricardo, et al. Spatial and Temporal Load Distribution in Steel Bridge Superstructures (Vol. III): Investigation of Skew and Abutment Influence on Steel I-Girder Bridge Performance Under Live Load and Long-Term Thermal Effects Through Field Data and Parametric Studies. Illinois Center for Transportation, 2026, Report no. FHWA-ICT-26-010, ROSA P. https://doi.org/10.36501/0197-9191/26-012.
This aircraft electromagnetic compatibility document is for those individuals associated with the engineering design and test of commercial aircraft. The document illustrates aircraft architecture, electromagnetic interference environments, electromagnetic compatibility protection techniques, program specifications, tasks, and verification and vali
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08/10/2026
Clarke, C. A., & Larsen, W. E. (1987). Aircraft Electromagnetic Compatibility (Report No. DOT /FAA/CT -86/40). United States. Department of Transportation. Federal Aviation Administration. William J. Hughes Technical Center. https://rosap.ntl.bts.gov/view/dot/92818
Clarke, Clifton A. and William E. Larsen. Aircraft Electromagnetic Compatibility. Report no. DOT /FAA/CT -86/40. United States. Department of Transportation. Federal Aviation Administration. William J. Hughes Technical Center, 1987. https://rosap.ntl.bts.gov/view/dot/92818.
Clarke, Clifton A., and William E. Larsen Aircraft Electromagnetic Compatibility. United States. Department of Transportation. Federal Aviation Administration. William J. Hughes Technical Center, 1987, Report no. DOT /FAA/CT -86/40, ROSA P. https://rosap.ntl.bts.gov/view/dot/92818.
The Federal Railroad Administration (FRA) contracted a research team from TTCI (now MxV Rail) to assess the potential use of multi-band and directional antennas to meet the current and future wireless communication needs of the U.S. railroad industry. FRA supported this project due to the high level of complexity involved in developing requirements
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08/10/2026
Eruvuru, S., Polivka, A., Paudyal, B., & Jaiswal, T. (2026). Multi-band and Directional Antennas: Research and Development (Report No. DOT/FRA/ORD-26/10). United States. Department of Transportation. Federal Railroad Administration. https://rosap.ntl.bts.gov/view/dot/92817
Eruvuru, Sarat, Alan Polivka, Bivesh Paudyal, and Taveesh Jaiswal. Multi-band and Directional Antennas: Research and Development. Report no. DOT/FRA/ORD-26/10. United States. Department of Transportation. Federal Railroad Administration, 2026. https://rosap.ntl.bts.gov/view/dot/92817.
Eruvuru, Sarat, et al. Multi-band and Directional Antennas: Research and Development. United States. Department of Transportation. Federal Railroad Administration, 2026, Report no. DOT/FRA/ORD-26/10, ROSA P. https://rosap.ntl.bts.gov/view/dot/92817.
The Federal Railroad Administration contracted ENSCO to investigate the application of model-assisted probability of detection (MAPOD) to handheld ultrasonic rail flaw inspection. This research was conducted as part of a project that began in 2019 to investigate methods for evaluating the performance of track inspection technologies. The demonstrat
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08/10/2026
Bruzek, R., Einbinder, D., & Tunna, J. (2026). Application of MAPOD to Handheld Ultrasonic Rail Flaw Inspection (Report No. DOT/FRA/ORD-26/07). United States. Department of Transportation. Federal Railroad Administration. https://rosap.ntl.bts.gov/view/dot/92816
Bruzek, Radim, Daniel Einbinder, and John Tunna. Application of MAPOD to Handheld Ultrasonic Rail Flaw Inspection. Report no. DOT/FRA/ORD-26/07. United States. Department of Transportation. Federal Railroad Administration, 2026. https://rosap.ntl.bts.gov/view/dot/92816.
Bruzek, Radim, et al. Application of MAPOD to Handheld Ultrasonic Rail Flaw Inspection. United States. Department of Transportation. Federal Railroad Administration, 2026, Report no. DOT/FRA/ORD-26/07, ROSA P. https://rosap.ntl.bts.gov/view/dot/92816.
Over 90% of paved roads in the United States are surfaced with asphaltic materials comprised of aggregate and a non-renewable petroleum-based asphalt binder. The sourcing of such a vital civil engineering material is both environmentally(i.e., contributing to pollution as well as greenhouse gas and volatile organic compound emissions) and economica
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08/10/2026
Frey, M. R., Torres-Machi, C., & Srubar, W. V. (2023). Exploring Agar as a Sustainable Alternative to Petroleum-Based Binders (Report No. CDOT-2024-05). Colorado Department of Transportation. Applied Research & Innovations Branch. https://rosap.ntl.bts.gov/view/dot/92815
Frey, Melissa R., Cristina Torres-Machi, and Wil V. Srubar. Exploring Agar as a Sustainable Alternative to Petroleum-Based Binders. Report no. CDOT-2024-05. Colorado Department of Transportation. Applied Research & Innovations Branch, 2023. https://rosap.ntl.bts.gov/view/dot/92815.
Frey, Melissa R., et al. Exploring Agar as a Sustainable Alternative to Petroleum-Based Binders. Colorado Department of Transportation. Applied Research & Innovations Branch, 2023, Report no. CDOT-2024-05, ROSA P. https://rosap.ntl.bts.gov/view/dot/92815.
An analytical study was conducted of the requirements for achieving similitude for icing as test conditions were varied. The application is aimed at engine icing tests conducted in ground spray rig facilities. The analysis considers the changes in the icing test conditions, including static temperature, static pressure, liquid water content, drople
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08/10/2026
Bartlett, C. S. (1986). An Analytical Study of Icing Similitude for Aircraft Engine Icing (Report No. DOT/FAA/CT-86/35, AEDC-TR-86-26). United States. Department of Transportation. Federal Aviation Administration. William J. Hughes Technical Center. https://rosap.ntl.bts.gov/view/dot/92814
Bartlett, C. Scott. An Analytical Study of Icing Similitude for Aircraft Engine Icing. Report no. DOT/FAA/CT-86/35, AEDC-TR-86-26. United States. Department of Transportation. Federal Aviation Administration. William J. Hughes Technical Center, 1986. https://rosap.ntl.bts.gov/view/dot/92814.
Bartlett, C. Scott An Analytical Study of Icing Similitude for Aircraft Engine Icing. United States. Department of Transportation. Federal Aviation Administration. William J. Hughes Technical Center, 1986, Report no. DOT/FAA/CT-86/35, AEDC-TR-86-26, ROSA P. https://rosap.ntl.bts.gov/view/dot/92814.
This report describes the motivation, conduct, and analysis of some 2500 low-level hardware fault cases applied in automated testing at the NASA Ames Reconfigurable Digital Flight Control System (RDFCS) Facility. Fault detection was correlated with hardware and software fault monitoring, and in limited cases, with sensitivity to flight program exec
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08/10/2026
Benson, J. W., Mulcare, D. B., & Larsen, W. E. (1987). Hardware Fault Insertion and Instrumentation System: Experimentation and Results (Report No. DOT/FAA/CT-86/34). United States. Department of Transportation. Federal Aviation Administration. William J. Hughes Technical Center. https://rosap.ntl.bts.gov/view/dot/92813
Benson, J. W., D. B. Mulcare, and W. E. Larsen. Hardware Fault Insertion and Instrumentation System: Experimentation and Results. Report no. DOT/FAA/CT-86/34. United States. Department of Transportation. Federal Aviation Administration. William J. Hughes Technical Center, 1987. https://rosap.ntl.bts.gov/view/dot/92813.
Benson, J. W., et al. Hardware Fault Insertion and Instrumentation System: Experimentation and Results. United States. Department of Transportation. Federal Aviation Administration. William J. Hughes Technical Center, 1987, Report no. DOT/FAA/CT-86/34, ROSA P. https://rosap.ntl.bts.gov/view/dot/92813.
The rationale and mechanization of sensor fault tolerance based on analytical redundancy principles are described. The concept involves the substitution of software procedures, such as an observer algorithm, to supplant additional hardware components. The observer synthesizes values of sensor states in lieu of their direct measurement. Such informa
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08/10/2026
Mulcare, D. B., Downing, L. E., & Smith, M. K. (1988). Analytical Sensor Redundancy Assessment (Report No. DOT/FAA/CT-86/32). United States. Department of Transportation. Federal Aviation Administration. William J. Hughes Technical Center. https://rosap.ntl.bts.gov/view/dot/92812
Mulcare, D. B., L. E. Downing, and M. K. Smith. Analytical Sensor Redundancy Assessment. Report no. DOT/FAA/CT-86/32. United States. Department of Transportation. Federal Aviation Administration. William J. Hughes Technical Center, 1988. https://rosap.ntl.bts.gov/view/dot/92812.
Mulcare, D. B., et al. Analytical Sensor Redundancy Assessment. United States. Department of Transportation. Federal Aviation Administration. William J. Hughes Technical Center, 1988, Report no. DOT/FAA/CT-86/32, ROSA P. https://rosap.ntl.bts.gov/view/dot/92812.
Bridge decks deteriorate faster and require more maintenance and repair than any other structural components on highway bridges. Topical protection systems act as barriers to protect bridge decks from corrosion damage by preventing water, oxygen, and chloride ions from reaching the reinforcement. This study evaluated topical protection systems comm
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08/10/2026
Liang, Y. C., Zhang, W., & Xi, Y. (2010). Strategic Evaluation of Different Topical Protection Systems for Bridge Decks and the Associated Life-Cycle Cost Analysis (Report No. CDOT-2010-6). Colorado Department of Transportation. Applied Research & Innovations Branch. https://rosap.ntl.bts.gov/view/dot/92811
Liang, Yu-Chang, Weiping Zhang, and Yunping Xi. Strategic Evaluation of Different Topical Protection Systems for Bridge Decks and the Associated Life-Cycle Cost Analysis. Report no. CDOT-2010-6. Colorado Department of Transportation. Applied Research & Innovations Branch, 2010. https://rosap.ntl.bts.gov/view/dot/92811.
Liang, Yu-Chang, et al. Strategic Evaluation of Different Topical Protection Systems for Bridge Decks and the Associated Life-Cycle Cost Analysis. Colorado Department of Transportation. Applied Research & Innovations Branch, 2010, Report no. CDOT-2010-6, ROSA P. https://rosap.ntl.bts.gov/view/dot/92811.
This report presents an overview of the state of planning for bicycling and walking in the United States in 1995. It includes a discussion of the impact of the Intermodal Surface Transportation Efficiency Act of 1991 (ISTEA) on the development of bicycle and pedestrian plans at the State and Metropolitan Planning Organization (MPO) levels of govern
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08/10/2026
Moe, P., Denney, C., Beltz, M., Wilkinson, B., & Clarke, A. (1997). Bicycle and Pedestrian Planning under the Intermodal Surface Transportation Efficiency Act (ISTEA): A Synthesis of the State of the Practice (Report No. FHWA-PD-97-053). United States. Federal Highway Administration. Office of Safety and Traffic Operations. https://rosap.ntl.bts.gov/view/dot/92810
Moe, P., C. Denney, M. Beltz, Bill Wilkinson, and Andy Clarke. Bicycle and Pedestrian Planning under the Intermodal Surface Transportation Efficiency Act (ISTEA): A Synthesis of the State of the Practice. Report no. FHWA-PD-97-053. United States. Federal Highway Administration. Office of Safety and Traffic Operations, 1997. https://rosap.ntl.bts.gov/view/dot/92810.
Moe, P., et al. Bicycle and Pedestrian Planning under the Intermodal Surface Transportation Efficiency Act (ISTEA): A Synthesis of the State of the Practice. United States. Federal Highway Administration. Office of Safety and Traffic Operations, 1997, Report no. FHWA-PD-97-053, ROSA P. https://rosap.ntl.bts.gov/view/dot/92810.
This study investigated (1) the potential use of an eye tracking system for detecting reduced driver alertness and (2) the impact of prophylactic napping on driver performance and alertness. The study used traditional behavioral and physiological measures of alertness. In addition, an unobtrusive eye tracker attached to the simulator structure was
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08/10/2026
Trucking Research Institute (1999). Eye-Activity Measures of Fatigue and Napping as a Fatigue Countermeasure (Report No. FHWA-MC-99-028). United States. Federal Highway Administration. Office of Motor Carriers. https://rosap.ntl.bts.gov/view/dot/92809
Trucking Research Institute. Eye-Activity Measures of Fatigue and Napping as a Fatigue Countermeasure. Report no. FHWA-MC-99-028. United States. Federal Highway Administration. Office of Motor Carriers, 1999. https://rosap.ntl.bts.gov/view/dot/92809.
Trucking Research Institute Eye-Activity Measures of Fatigue and Napping as a Fatigue Countermeasure. United States. Federal Highway Administration. Office of Motor Carriers, 1999, Report no. FHWA-MC-99-028, ROSA P. https://rosap.ntl.bts.gov/view/dot/92809.
This research report assesses the results of a Congressionally-directed study of the extent to which shippers and others involved in interstate trucking commerce impose delivery demands on motor carriers that may result in commercial driver violations of Federal safety regulations, including the hours-of-service (HOS) rules. Drivers and commercial
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08/10/2026
Duke, M. E., Morris, S. W., Swinehart, J. W., & Weppner, M. (1997). Qualitative Assessment of the Role of Shippers and Others in Driver Compliance with Federal Safety Regulations (Report No. FHWA-MC-98-049). United States. Federal Highway Administration. Office of Motor Carriers. https://rosap.ntl.bts.gov/view/dot/92808
Duke, M. E., Susan W. Morris, James W. Swinehart, and M. Weppner. Qualitative Assessment of the Role of Shippers and Others in Driver Compliance with Federal Safety Regulations. Report no. FHWA-MC-98-049. United States. Federal Highway Administration. Office of Motor Carriers, 1997. https://rosap.ntl.bts.gov/view/dot/92808.
Duke, M. E., et al. Qualitative Assessment of the Role of Shippers and Others in Driver Compliance with Federal Safety Regulations. United States. Federal Highway Administration. Office of Motor Carriers, 1997, Report no. FHWA-MC-98-049, ROSA P. https://rosap.ntl.bts.gov/view/dot/92808.
This manual provides generic technician guidelines for inspecting, maintaining and troubleshooting antilock braking systems (ABSs) used on air-braked, heavy vehicles. Also included is a glossary of ABS terms. An index is provided.
08/10/2026
American Trucking Associations (1998). Technician Guidelines for Antilock Braking Systems (Report No. FHWA-MC-98-008). United States. Federal Highway Administration. Office of Motor Carriers. https://rosap.ntl.bts.gov/view/dot/92807
American Trucking Associations. Technician Guidelines for Antilock Braking Systems. Report no. FHWA-MC-98-008. United States. Federal Highway Administration. Office of Motor Carriers, 1998. https://rosap.ntl.bts.gov/view/dot/92807.
American Trucking Associations Technician Guidelines for Antilock Braking Systems. United States. Federal Highway Administration. Office of Motor Carriers, 1998, Report no. FHWA-MC-98-008, ROSA P. https://rosap.ntl.bts.gov/view/dot/92807.
Intelligent Transportation Systems (ITS) are transportation systems which utilize information, communication, sensor, and control technologies to achieve improved levels of performance. The U.S Department of Transportation has developed a National ITS Program Plan for ITS which provides a new vision for surface transportation in America. The ITS Pr
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08/10/2026
Johns Hopkins University. Applied Physics Laboratory (1995). Commercial Vehicle Information Systems Network (CVISN): Statement of Direction (Report No. FHWA-JPO-96-006). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/92806
Johns Hopkins University. Applied Physics Laboratory. Commercial Vehicle Information Systems Network (CVISN): Statement of Direction. Report no. FHWA-JPO-96-006. United States. Department of Transportation. Federal Highway Administration, 1995. https://rosap.ntl.bts.gov/view/dot/92806.
Johns Hopkins University. Applied Physics Laboratory Commercial Vehicle Information Systems Network (CVISN): Statement of Direction. United States. Department of Transportation. Federal Highway Administration, 1995, Report no. FHWA-JPO-96-006, ROSA P. https://rosap.ntl.bts.gov/view/dot/92806.
The Federal Highway Administration (FHWA), Office of Motor Carrier Highway Safety (OMCHS) is conducting research to validate the use of low-to mid-cost simulator for commercial driver training, testing and licensing. The primary purpose of the study is to examine how simulator technology, as compared to conventional methods, may facilitate and enha
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08/10/2026
Emery, C., Finn, R., Robin, J., Knipling, R. R., & Fleger, S. A. (1999). Research Design: Validation of Simulation Technology in the Training, Testing, and Licensing of Tractor-Trailer Drivers (Report No. FHMA-MC-59-060). United States. Department of Transportation. Federal Highway Administration. Office of Motor Carrier Safety. https://rosap.ntl.bts.gov/view/dot/92805
Emery, C., R. Finn, Jerry Robin, Ronald R. Knipling, and Stephen A. Fleger. Research Design: Validation of Simulation Technology in the Training, Testing, and Licensing of Tractor-Trailer Drivers. Report no. FHMA-MC-59-060. United States. Department of Transportation. Federal Highway Administration. Office of Motor Carrier Safety, 1999. https://rosap.ntl.bts.gov/view/dot/92805.
Emery, C., et al. Research Design: Validation of Simulation Technology in the Training, Testing, and Licensing of Tractor-Trailer Drivers. United States. Department of Transportation. Federal Highway Administration. Office of Motor Carrier Safety, 1999, Report no. FHMA-MC-59-060, ROSA P. https://rosap.ntl.bts.gov/view/dot/92805.
This research developed a certification testing methodology for composite structures. The existing composite static strength and fatigue life data are analyzed statistically to determine the influence of test parameters on the scatter of composite data. Guidelines to use the composite data scatter in structural certification are recommended. Variou
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08/10/2026
Whitehead, R. S., Kan, H. P., Cordero, R., & Saether, E. S. (1986). Certification Testing Methodology for Composite Structure: Volume 2 - Methodology Development (Report No. NADC-87042960). United States. Department of Transportation. Federal Aviation Administration. William J. Hughes Technical Center. https://rosap.ntl.bts.gov/view/dot/92804
Whitehead, R. S., H. P. Kan, R. Cordero, and E. S. Saether. Certification Testing Methodology for Composite Structure: Volume 2 - Methodology Development. Report no. NADC-87042960. United States. Department of Transportation. Federal Aviation Administration. William J. Hughes Technical Center, 1986. https://rosap.ntl.bts.gov/view/dot/92804.
Whitehead, R. S., et al. Certification Testing Methodology for Composite Structure: Volume 2 - Methodology Development. United States. Department of Transportation. Federal Aviation Administration. William J. Hughes Technical Center, 1986, Report no. NADC-87042960, ROSA P. https://rosap.ntl.bts.gov/view/dot/92804.
This research developed a certification testing methodology for composite structures. The existing composite static strength and fatigue life data are analyzed statistically to determine the influence of test parameters on the scatter of composite data. Guidelines to use the composite data scatter in structural certification are recommended. Variou
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08/10/2026
Whitehead, R. S., Kan, H. P., Cordero, R., & Saether, E. S. (1986). Certification Testing Methodology for Composite Structure: Volume 1 - Data Analysis (Report No. NADC-87042-60). United States. Department of Transportation. Federal Aviation Administration. William J. Hughes Technical Center. https://rosap.ntl.bts.gov/view/dot/92803
Whitehead, R. S., H. P. Kan, R. Cordero, and E. S. Saether. Certification Testing Methodology for Composite Structure: Volume 1 - Data Analysis. Report no. NADC-87042-60. United States. Department of Transportation. Federal Aviation Administration. William J. Hughes Technical Center, 1986. https://rosap.ntl.bts.gov/view/dot/92803.
Whitehead, R. S., et al. Certification Testing Methodology for Composite Structure: Volume 1 - Data Analysis. United States. Department of Transportation. Federal Aviation Administration. William J. Hughes Technical Center, 1986, Report no. NADC-87042-60, ROSA P. https://rosap.ntl.bts.gov/view/dot/92803.
This research investigated early detection of safety risks of lithium-ion battery packs in electric/hybrid vehicles, including rapid electrochemical impedance spectroscopy, sensing of volatile organic compounds, and hydrogen-gas-sensing technology. These sensors monitored four types of cells and packs for failure markers. It evaluated early detecti
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08/05/2026
Torres-Castro, L., Bates, A. M., Quintana, G., & Gray, L. (2026). Comparative Analysis of Impedance and Gas Sensor Diagnostics for LFP/Graphite Cell Failures (Report No. DOT HS 813 817). United States. Department of Transportation. National Highway Traffic Safety Administration. https://doi.org/10.21949/2ebz-fw17
Torres-Castro, Loraine, Alex M Bates, Genaro Quintana, and Lucas Gray. Comparative Analysis of Impedance and Gas Sensor Diagnostics for LFP/Graphite Cell Failures. Report no. DOT HS 813 817. United States. Department of Transportation. National Highway Traffic Safety Administration, 2026. https://doi.org/10.21949/2ebz-fw17.
Torres-Castro, Loraine, et al. Comparative Analysis of Impedance and Gas Sensor Diagnostics for LFP/Graphite Cell Failures. United States. Department of Transportation. National Highway Traffic Safety Administration, 2026, Report no. DOT HS 813 817, ROSA P. https://doi.org/10.21949/2ebz-fw17.
United States. Department of Transportation. Federal Highway Administration
2014-09-08
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The goals of this specification are to: a) provide the framework needed to support inventory and assessment of common bridge elements that can be used to better describe the condition of bridges in the NBI; and b) provide consistency for element identification, quantity measurement, and condition state (CS) assessment.
08/03/2026
United States. Department of Transportation. Federal Highway Administration (2014). Specification for the National Bridge Inventory Bridge Elements (SNBIBE) Frequently Asked Questions and Answers. United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/92801
United States. Department of Transportation. Federal Highway Administration. Specification for the National Bridge Inventory Bridge Elements (SNBIBE) Frequently Asked Questions and Answers. United States. Department of Transportation. Federal Highway Administration, 2014. https://rosap.ntl.bts.gov/view/dot/92801.
United States. Department of Transportation. Federal Highway Administration Specification for the National Bridge Inventory Bridge Elements (SNBIBE) Frequently Asked Questions and Answers. United States. Department of Transportation. Federal Highway Administration, 2014, ROSA P. https://rosap.ntl.bts.gov/view/dot/92801.
2017-10-02
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Memoranda & Guidance: Information
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Section 119 of title 23, United States Code (U.S.C.), as amended by section 1106 of the Moving Ahead for Progress in the 21st Century Act (MAP-21) and by section 1106 of the Fixing America's Surface Transportation (FAST) Act, includes a penalty provision based on the condition of NHS bridges. This memorandum and the attached NHPP guidance provide t
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08/03/2026
Hartmann, J. (2017). National Highway Performance Program (NHPP) - Implementation Guidance for the Condition of National Highway System (NHS) Bridges [Memorandum]. United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/92800
Hartmann, Joseph. National Highway Performance Program (NHPP) - Implementation Guidance for the Condition of National Highway System (NHS) Bridges [Memorandum]. United States. Department of Transportation. Federal Highway Administration, 2017. https://rosap.ntl.bts.gov/view/dot/92800.
Hartmann, Joseph National Highway Performance Program (NHPP) - Implementation Guidance for the Condition of National Highway System (NHS) Bridges [Memorandum]. United States. Department of Transportation. Federal Highway Administration, 2017, ROSA P. https://rosap.ntl.bts.gov/view/dot/92800.
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