FGDC Address Data Standard
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FGDC Address Data Standard. Scope, Status, and Structure United States Street, Landmark, and Postal Address Data Standard" Scope: Street, landmark, and postal addresses in the United States Status: FGDC-endorsed standard Structure: One data standard in four parts: Data Content

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Fgdc address data standard

FGDC Address Data Standard

  • Scope, Status, and Structure

  • United States Street, Landmark, and Postal Address Data Standard"

  • Scope: Street, landmark, and postal addresses in the United States

  • Status: FGDC-endorsed standard

  • Structure: One data standard in four parts:

    • Data Content

    • Data Classification

    • Data Quality

    • Data Exchange

Fgdc address data standard

Purpose of the Standard

  • Provide a systematic basis for recording all addresses in the United States

  • Provide one standard that meets the address data management needs of:

    • Local address administrators

    • Emergency response and navigation

    • Postal and package delivery

    • Administrative recordkeeping

    • Address data aggregation

  • Support best practices in address data management

Fgdc address data standard

Organization of the FGDC Standard

  • Data Content

  • Data Classification

  • Data Quality

  • Data Exchange

    • Two profiles: USPS and NENA (still in draft)

Fgdc address data standard

Number, Subaddress and Street Name Elements

  • Address Number Elements

    • Address Number Prefix

    • Address Number

    • Address Number Suffix

    • Complete Address Number

  • Street Name Elements

    • Street Name Pre-Modifier

    • Street Name Pre-Directional

    • Street Name Prefix Type

    • Separator Element

    • Street Name

    • Street Name Suffix Type

    • Street Name Suffix Directional

    • Street Name Post Modifier

  • Subaddress Elements

    • Subaddress Type

    • Subaddress Identifier

    • Subaddress Element

    • Complete Subaddress

  • Intersection Corner Elements

    • Corner Of

Fgdc address data standard

Landmark, Place Name and Postal Elements

  • Postal Elements

    • USPS Box Type

    • USPS Box ID

    • USPS Box Group Type

    • USPS Box Group ID

    • USPS Route

    • USPS Box

    • USPS Address

    • USPS General Delivery Point

  • Landmark Elements

    • Landmark Name

    • Complete Landmark Name

  • Place Name Element

    • Place Name

    • Attribute: Place Name Type

Fgdc address data standard

Address Attributes

  • Identify records

  • Support geometry

  • Describe status

  • Provide base information for quality assurance

  • Connect addresses to other features and other addresses

Fgdc address data standard

Address Data Quality

  • Identifies elements of Address Data Quality

  • Supports testing of tabular and spatial data

  • Describes testing procedures (38 tests)

  • Provides base information for quality assurance

  • Each test provides information about methodology, reports, and how used.

    • Example code is also provided.

Fgdc address data standard

Address Data Exchange

  • Provides an XML protocol for seamless exchange of data

    • Federal Standard requires use of XML

    • Protects data producers and data consumers

    • Flexible exchange –missing fields on either side do not affect transfer

    • Useful in on-going exchange and aggregation efforts

Fgdc address data standard

Federal, State and Local Adoption and Use

  • Census and other federal agencies are using the Standard

  • Several states, counties and cities have adopted the standard, and are implementing data models that use it

  • Planning to work with other Federal agencies to develop profiles for their use

  • Planning to propose Addresses as the eighth data theme in the NSDI Framework

Fgdc address data standard

Benefits of the Standard

  • Quality is an integral part of the data

  • Model for exchanging data in a standard way

  • Definitive syntactical logic for address data

Fgdc address data standard

NENA NG9-1-1 CLDXF Standard

Civic Location Data Exchange Format

NENANext Generation Data Development Working Group

NENA Next Generation 9-1-1 (NG9-1-1) United States Civic Location Data Exchange Format (CLDXF) Standard

Fgdc address data standard

What Is CLDXF?

  • Standardized way to exchange 9-1-1 call civic location(address) information

    • Created by NENA NGDD WG as part of NG9-1-1 suite of standards

    • Status: Not yet adopted.

  • Profile of IETF Geo-priv PIDF-LO

  • Related by profile to the new FGDC address data standard

    • A profile restricts or extends a base standard(without contradicting it) for a particular application.

Fgdc address data standard

CLDXF Contents

  • Elements needed to compose addresses in 9-1-1 call records:

    • Country, state, and place names and codes

    • Street name elements

    • Address number elements

    • Landmark name

    • Subaddress elements

Fgdc address data standard

What CLDXF Excludes

  • Addresses that are unacceptable in 9-1-1 call records:

    • Intersection addresses

    • Address ranges

    • PO Box, RR and similar addresses

  • Information not needed in the address portion of a call record:

    • Address IDs and attributes

    • Address classes

    • Address quality tests

Fgdc address data standard

Creating the CLDXF – FGDC Profile

  • Compared the business purposes of the standards

  • Determined which address classes and elements were needed for NENA purposes

  • Mapped FGDC elements and NENA elements to each other

  • Compared the element definitions, examples, notes, etc. in complete detail. Noted all discrepancies.

  • Reviewed FGDC address classes and determined which were useful in CLDXF.

  • Within the profile, restricted or extended the FGDC standard as needed to accommodate discrepancies and exclusions.

  • Listed the steps needed to convert between NENA and FGDC address records.

Fgdc address data standard

What's in the Profile?

  • Detailed, element by element comparison of FGDC and NENA elements

  • Which NENA element corresponds to which FGDC elements

  • Discrepancies, comparisons, reconciliation

  • Other restrictions and extensions: parts, classes, domains of values

  • Step-by-step task list for converting address records between NENA and FGDC standards.

  • Conformance requirements

Fgdc address data standard


  • Address data exchange will be included in the NG9-1-1 suite of standards

  • CLDXF will be a NENA standard and statement of best practice for voluntary adoption by PSAPs nationwide.

  • CLDXF conforms to the IETF PIDF-LO but makes it US-specific.

  • CLDXF and FGDC standards are tightly related.

  • Address data managers can exchange data across the standards.

  • The three standards reinforce each other.