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GIS

National Address Database (NAD) Disclaimer

Before downloading, please read the disclaimer below:

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 accuracy and completeness of the data, the United States Department of Transportation (USDOT) makes no warranties, expressed or implied, concerning the accuracy, completeness or suitability...

NAD Schema

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 anticipated that this schema will evolve over time as participation in the NAD grows.

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 anticipated that this schema will evolve over time as participation in the NAD grows.

National Address Database

The U.S. Department of Transportation (USDOT) and its partners from all levels of government recognize the need for a National Address Database (NAD).  Accurate and up-to-date addresses are critical to transportation safety and are a vital part of Next Generation 9-1-1. They are also essential for a broad range of government services, including mail delivery, permitting, and school siting.

To meet this need, USDOT partners with address programs from state, local, and tribal...