Hundreds of thousands of records and full-text documents from the U. S. Department of Transportation can now be found in Science.gov. This means that when you launch a search at the Science.gov gateway, your single query can find science information from 14 government agencies, including the DOT National Transportation Library (NTL) Integrated Search and more than 30 DOT websites. Major subject areas of highway and transportation engineering, statistics, planning, policies, and research are included in the Science.gov basic search and advanced search options. Science.gov provides search of 200 million pages of science information and research results. A single query searches across 38 databases and portals and more than 1,900 websites. The information is free and no registration is required.