Founded as an all-digital library program, National Transportation Library’s collections in ROSA P include textual works, datasets, still image works, moving image works, other multimedia, and maps. Legacy print materials that have been digitized are collected if they have historic, technical, or national significance.
The TRID Database contains records of references to books, technical reports, conference proceedings, and journal articles in the field of transportation research. TRID's focus is transportation research. TRID does NOT contain information on vehicle standards and specifications, patent information, market research, or military transport.