A:
Acoustics Facility - Expertise in measuring and evaluating noise generated by air, highway, and rail transportation [Department of Transportation (DOT), John A. Volpe National Transportation Systems Center]
Advanced Vehicles & Fuels Researcj - Works with industry to develop alternative fuel and advanced vehicle technologies [Department of Energy (DOE), National Renewable Energy Laboratory (NREL)]
Air Quality Facility - Expertise in emissions and dispersion measurement as well as computer modeling [Department of Transportation (DOT), John A. Volpe National Transportation Systems Center]
Airworthiness Directives - Information associated with aircraft certification and continued airworthiness [Department of Transportation (DOT), Federal Aviation Administration (FAA)]
Alternative Fuels Data Center Resources and Documents - Provides links to resources and documents about alternative fuel and alternative fuel vehicle (AFV) technologies, programs, funding, regulations, contacts, and more [Department of Energy (DOE)]
Automotive Research Center (ARC) - Simulation and design environment for ground vehicles that allows simulation tasks to be tailored to required applications and design needs [Department of Defense (DOD), Department of the Army; U.S. Army TACOM]

C:
Capsule Pipeline Research Center (CPRC) - Pursuing a new mode of transportation for coal and other solid materials via capsules in an underground pipeline [National Science Foundation (NSF), State/Industry/University Cooperative Research Centers (S/I/UCRC)]
Center for Advanced Aviation System Development (CAASD) - Focused on the modernization of Air Traffic Management systems and practices to add capacity and efficiency as well as security [Department of Transportation (DOT), Federal Aviation Administration (FAA)]
Center for Advanced Vehicle Electronics (CAVE) - Research for cost-effective electronics manufacturing and packaging technologies for high- reliability electronics in a harsh environment [National Science Foundation (NSF), Industry/University Cooperative Research Centers (IUCRC)]
Center for Aviation Systems Reliability (CASR) - Provides the FAA with cost-effective, reliable inspection tools and comprehensive training materials that meet the specific needs of the aviation industry [Department of Transportation (DOT), Federal Aviation Administration (FAA)]
Center for Climate Change and Environmental Forecasting - The focal point in the DOT of technical expertise on transportation and climate change [Department of Transportation (DOT)]
Center for Transportation Analysis (CTA) at ORNL - Conducts research and development on transportation energy and environmental issues, national transportation planning and policy, transportation systems engineering, and military transportation and logistics [Department of Energy (DOE), Oak Ridge National Laboratory (ORNL)]
Center for Virtual Proving Ground Simulation: Mechanical and Electromechanical Systems - Offers virtual proving ground simulation as a new approach to developing vehicle and equipment designs for improved performance and safety [National Science Foundation (NSF), Industry/University Cooperative Research Centers (IUCRC)]
Civil Aerospace Medical Institute (CAMI) - Carries out medical certification, research, and education [Department of Transportation (DOT), Federal Aviation Administration (FAA)]
Clean Cities Program - Provides links to official publications of the Clean Cities Program and the Alternative Fuels Data Center, a component of the Office of Transportation Technologies [Department of Energy (DOE)]
Crash Profiles Online - Summarized crash statistics for large trucks and buses involved in fatal and non-fatal Crashes that occurred in the United States [Department of Transportation (DOT); Federal Motor Carrier Safety Administration (FMCSA)]

D:
DOE Subject Portals - Access a suite of Web portals pertaining to photovoltaics, geothermal energy, hydrogen energy, superconductivity, heavy vehicle technology, wind energy, biopower, biofuels, and concentrating solar power [Department of Energy (DOE); Office of Scientific and Technical Information (OSTI)]
Department of Transportation Technology and Innovation - The starting point for accessing DOT technologies for commercialization and transfer [Department of Transportation (DOT)]

E:
Energy Information Administration (EIA) - Provides policy-independent data, forecasts, and analyses regarding energy and its interaction with the economy and the environment [Department of Energy (DOE)]
Energy Portal - A directory of energy technologies and topics. [Department of Energy (DOE)]
Environmental Programs - Analyzes the impacts of transportation operations and infrastructure on the environment and society [Department of Transportation (DOT), John A. Volpe National Transportation Systems Center]

F:
FAA William J. Hughes Technical Center - Expertise in air transportation technologies including air traffic control, human factors, safety, communication, and security [Department of Transportation (DOT), Federal Aviation Administration (FAA)]
FUELS, ENGINES AND EMISSIONS RESEARCH CENTER - A development, integration, and evaluation facility for new technologies related to internal combustion engines and powertrains [Department of Energy (DOE), Oak Ridge National Laboratory (ORNL); National Transportation Research Center]
FreedomCAR & Vehicle Technologies (FCVT) - Provides full-text technical reports and a subject-specific Web portal for Heavy Vehicle Technologies that includes a distributed search capability and full-text access, when available [Department of Energy (DOE)]
From Bumper to Bumper - NIST Tools for the Auto Industry [Department of Commerce (DOC), National Institutes of Standards and Technology (NIST)]
Fuel Economy Web Site - Provides fuel economy data by vehicle, technology advances, gas prices, and other fuel economy information [Department of Energy (DOE); Environmental Protection Agency (EPA)]

H:
Hazardous Materials Safety - Information on the transportation of hazardous materials by air, rail, highway and water [Department of Transportation (DOT); Office of Hazardous Materials Safety]

M:
Maritime Safety Information Center (MSIC) - Collects, evaluates, and compiles all available worldwide navigational data for dissemination by early warning radio and satellite broadcasts, hardcopy publications and electronic access to data files [Ad Hoc Organizations; National Imagergy and Mapping Agency (NIMA)]
Motor Carrier Research and Development - Research covers brake safety, hazardous materials safety, driver alertness and fatigue, car-truck proximity, cargo tank integrity, truck crash causation and profiling [Department of Transportation (DOT); Federal Motor Carrier Safety Administration (FMCSA)]

N:
National Advisory Committee for Aeronautics (NACA) - The digital library for NACA's research reports [National Aeronautics and Space Administration (NASA)]
National Geodetic Survey (NGS) - Source of geodetic data and aerial photographs [Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA)]
National Highway Traffic Safety Administration (NHTSA) Research and Development - Provides research on motor vehicle and traffic safety goals [Department of Transportation (DOT); National Highway Traffic Safety Administration (NHTSA)]
National Transportation Data Archive - Provides updated data, graphs and charts on nationwide transportation statistics [Department of Transportation (DOT), Bureau of Transportation Statistics (BTS)]
Navigation Data Center (NDC) - Provides access to databases and statistics pertaining to waterborne commodity and vessel movements, domestic commercial vessel characteristics, port and waterway facilities, lock and operations, and navigation dredging projects [Department of Defense (DOD), Department of the Army; U.S. Army Corps of Engineers (USACE)]

O:
ORNL Research Libraries - Provides links to ORNL Research Library holdings [Department of Energy (DOE), Oak Ridge National Laboratory (ORNL)]
Oak Ridge National Laboratory Publications - Provides links to ORNL\'s S&T; publications, catalogs, magazines, newsletters, and reports [Department of Energy (DOE), Oak Ridge National Laboratory (ORNL)]
Oak Ridge National Laboratory Science and Technology - Provides links to science and technology resources [Department of Energy (DOE), Oak Ridge National Laboratory (ORNL)]
Oak Ridge National Laboratory Technical Publications - Provides links to technical documents and reports [Department of Energy (DOE), Oak Ridge National Laboratory (ORNL)]
Off Road Vehicles and Equipment Air Pollution - Information about air pollution from such sources as diesel farm and construction equipment, lawn and garden equipment, aircraft, trains, recreational vehicles, and boats, ships, and personal watercraft [Environmental Protection Agency (EPA)]
Office of Coast Survey (OCS) - Obtain nautical charts, historical maps, and search for wreaks [Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA)]
Online Digital Special Collections - Includes Civil Aeronautic Manuals, Civil Air Regulations, Superseded Advisory Circulars, I.C.C. Historical Railroad Investigations, National Conferences on Street and Highway Safety, Historical Aircraft Accident Reports, FAA and CAA Research Reports, and [Department of Transportation (DOT)]
Operator Performance and Safety Analysis (OPSAD) - Resolves problems across all transportation modes by performing research to analyze the relationship between human behavior and transportation safety and productivity [Department of Transportation (DOT), John A. Volpe National Transportation Systems Center]

R:
Railroad Systems Division - Expertise in low and high-speed rail and maglev passenger systems, highway/railroad grade crossing environments, and emergency response systems [Department of Transportation (DOT), John A. Volpe National Transportation Systems Center]

S:
Safety and Security - Identifies, assesses, and implements means to reduce the frequency and consequences of transportation related accidents [Department of Transportation (DOT), John A. Volpe National Transportation Systems Center]
Safety and Security Studies - Expertise assuring the safety and security of all modes of transportation [Department of Transportation (DOT), John A. Volpe National Transportation Systems Center]
Surveillance and Sensors / Wake Vortex Program - Expertise assuring the safety and security of all modes of transportation [Department of Transportation (DOT), John A. Volpe National Transportation Systems Center]

T:
Transportation Acronym Guide (TAG) - Provides users of transportation information with a comprehensive inventory of transportation acronyms and their references [Department of Transportation (DOT)]
Transportation Research Information Services (TRIS) - Search bibliographic records covering transportation research published in books, journal articles, technical reports and other media [Department of Transportation (DOT)]
Transportation Risk and Packaging Program - Develops innovative technologies to solve hazardous materials transportation and packaging problems [Department of Energy (DOE), Sandia National Laboratories]
Transportation Subject Bibliography - Provides information about transportation publications available for sale from the U.S. Government Online Bookstore [Government Printing Office]
Transportation Technology R&D; Center - Develops technologies that will help make advanced vehicles a reality [Department of Energy (DOE), Argonne National Laboratory (ANL)]
Transportation and Fuel Air Pollution - Links to information about air pollution from motor vehicles, boats and ships, trains, aircraft, and the fuels that they use [Environmental Protection Agency (EPA)]

U:
U.S. Coast Guard Navigation Center - Contains the latest information on marine navigation systems [Department of Transportation (DOT), U.S. Coast Guard]
U.S. Coast Guard Research and Development Center - Research related to navigation, vessels, spills, and law enforcement [Department of Transportation (DOT), U.S. Coast Guard]
USDA Online Photo Center - The digital collection has grown to over 20,000 images [Department of Agriculture (USDA)]
USFA Hazardous Materials Guide for First Responders - This online book provides important information for the initial response to both transportation and fixed facility incidents with a maximum amount of useful key information in a limited amount of space [Ad Hoc Organizations, Federal Emergency Management Agency (FEMA); United States Fire Administration (USFA)]

W:
Waterways Experiment Station Geotechnical and Structures Laboratory (GSL) - Researches man's interaction with the basic materials of the earth's crust: soil, rock and groundwater [Department of Defense (DOD), Department of the Army; U.S. Army Corps of Engineers (USACE), Engineer Research and Development Cen]