ROSA P is the National Transportation Library's Repository and Open Science Access Portal. NTL collects resources across all modes of transportation and related disciplines, with specific focus on information produced by USDOT, state DOTs, and other transportation organizations. Content types found in ROSA P include textual works, datasets, still image works, moving image works, other multimedia, and maps. These resources have value to federal, state, and local transportation decision makers, transportation analysts, and researchers. All resources in ROSA P are in the public domain and/or explicit permission has been provided by the rights holder to NTL to make their materials available for free over the web.