Sources and Sites for Researchers
Includes NTL Digital Repository - primarily technical, research, and policy
full-text documents provided by federal, state, local, tribal, and
other government agencies
- TRID, the TRIS and ITRD Database
TRID is a newly integrated database that combines the records from TRB's Transportation Research Information Services (TRIS) Database and the OECD's Joint Transport Research Centre’s International Transport Research Documentation (ITRD) Database and provides access to over 900,000 records of transportation research worldwide.
Research Library Catalog
The FHWA Research Library
collection is now searchable from your desktop. Use the online catalog to
identify publications by keyword, title, author, subject, etc. A work in
progress, the online catalog contains approximately 15,000 bibliographic
records. Materials are added daily.
Research in Progress
Current or recently completed research projects funded by Federal and
State Departments of Transportation.
University transportation research is also included.
- USDOT Research Hub
- Transport Research Portal
NTL's Online Digital Special Collections
by H.S. Fairbank - Frank Turner - T.H. MacDonald
Collected papers of three crucial figures in the development of our
Civil Aeronautics Manual (CAM) policies provide detailed technical
information on acceptable methods of complying with regulations. Such
policies are for the guidance of the public and not mandatory.
(CAR) were part of the original certification basis for aircraft first
certified in the 1940's, 1950's, and 1960's by the Civil Aeronautics
Administration. As such, the CARs may still be needed as a reference
for older aircraft, or as a standard for minor changes to older
Advisory Circulars (ACs) provide guidance such as methods, procedures,
and practices for complying with regulations and grant requirements.
ACs may also contain explanations of regulations, other guidance
material, best practices, or information useful to the aviation
community. They do not create or change a regulatory requirement.
Historical Railroad Investigation Reports (1911-1994)
Collection of railroad accident reports produced by the Interstate
Conferences on Street and Highway Safety
National Conferences on Street and Highway Safety Meetings from
1924-1930 that produced the Uniform Vehicle Code, which resulted in the
increased consistency and cohesion of traffic laws throughout the
Aircraft Accident Reports (1934-1965)
Aircraft accident reports produced by the Civil Aeronautics Board.
and CAA Research Reports
Aeronautical technical reports from the 1930s - 1950s.
Coast Guard Navigation and Vessel Inspection Circulars
A Navigation and Vessel Inspection Circular (NVIC) provides detailed
guidance about the enforcement or compliance with a certain Federal
marine safety regulations and Coast Guard marine safety programs.
NVIC's are used internally by the Coast Guard to ensure that
inspections and other regulatory actions conducted by our field
personnel are adequate, complete and consistent.
Economic orders issued by the Civil Aeronautics Board and then US DOT
related primarily to airline routing and rates.
Contains documents relevant to a substantial recodification and
amendment of the Federal Aviation Regulations in 1964.