|National Academies Publications and Other Resources for International Users
Anyone with an Internet connection can read more than 3,000 National Academies Press reports free. Portable Document Format (PDF) versions of the reports can be downloaded or printed free by users in over 140 developing countries and economies in transition. In developed countries, some PDF reports are also available free, and others are available for purchase. Over 1,500 other reports on transportation issues are available free online to users in any nation.