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The National Address Database (NAD) is, with few exceptions, aggregated from state data, which is in turn aggregated from local data. While it is considered to be authoritative and every reasonable effort is made to ensure the...
The purpose of this document is to lay out the National Address Database (NAD) Schema, including all attribute fields and domains. This schema is in line with the minimum content approach that was devised in the NAD Summit. This schema was developed as part of the NAD Pilot project, and it is...
Release 19 is in the final stages before publishing. Sign up for announcements at the bottom of this page to be notified when the release is available for download.
The U.S. Department of Transportation (USDOT) and its partners from all levels of government recognize the need for a...