# OS Emergency Services Gazetteer Documentation

The OS Emergency Services Gazetteer (OS ESG) provides a national, consistent, and maintained view of the locations of names, places and objects.

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**This product is updated monthly.**
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<figure><img src="https://1897589978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FcNpJpLP8RROUaWVQo5ea%2Fuploads%2FFOjU5uVdbcskQ6Pmd1sU%2Fimage.webp?alt=media&#x26;token=4657bbd7-a1bf-46e8-bc3a-ca4d76538e97" alt="Image showing examples of the three types of features available in the OS Emergency Services Gazetteer – geographical names, road junctions, and bridge interactions. A background map has been included to provide context."><figcaption><p>Image showing examples of three of the types of features available in the OS Emergency Services Gazetteer – geographical names, road junctions, and bridge interactions. A background map has been included to provide context.</p></figcaption></figure>

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{% tab title="Benefits" %}
**Easy to filter and apply features**

The OS ESG is easily filterable so you can select the features that you are interested in based on the classifications allocated to those features.

**Enhanced data for incident response and reporting**

The gazetteer provides a single centralised source of information which allows for easier, faster and more precise identification of incident locations.
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{% tab title="Use Cases" %}
**Supporting in emergencies**

Using our ability to analyse and collate information, the OS ESG provides Emergency Services with the data they need to estimate emergency response times.

**Aiming to improve the recording of road traffic incidents**

Analysing trends and patterns of road traffic collisions to help identify risk and support incident planning.

**Working to improve public safety**

The OS ESG enables emergency responders to be more accurately informed, improving response times and public safety:

* Quick and accurate gazetteer searches
* Support incident reporting
* Enhanced data sharing across emergency services
* Supports incident analysis and modelling
* Operational reporting
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{% tab title="Summary" %}

* **Access:** Download via the [OS Data Hub](https://osdatahub.os.uk/)
* **Data theme:** Geographical Names
* **Data structure:** Vector – Points
* **Coverage:** Great Britain
* **Format:** CSV, GeoPackage
* **Ordering area:** All of Great Britain or custom ordering options (areas of interest – AOIs) available for both formats
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## How to get this product <a href="#how-to-get-this-product" id="how-to-get-this-product"></a>

Access to this product is free for PSGA (Public Sector Geospatial Agreement) Members. You can [check if your organisation is a member of the PSGA on the OS website](https://www.ordnancesurvey.co.uk/customers/public-sector/psga-member-finder).

The [OS ESG product page on the OS website](https://www.ordnancesurvey.co.uk/products/os-emergency-services-gazetteer#get) has advice on how to get the product for developers, OS Partners and PSGA Members (i.e. government and the public sector).

Alternatively, you can try out the full product for free for six months by applying for [a Data Exploration licence](https://www.ordnancesurvey.co.uk/licensing/data-exploration-licence); this licence is primarily designed for organisations either considering becoming an OS Partner or who want to trial OS Premium data before working with an existing OS Partner.

The OS ESG product is supplied as an online download from the [OS Data Hub](https://osdatahub.os.uk/).

## Sample data

### Download OS EGS sample data

You can download sample data for the OS ESG for free from the [OS Data Hub sample data page](https://osdatahub.os.uk/data/downloads/sample/OsEmergencyServicesGazetteer). The sample data are available in GeoPackage and CSV (comma-separated values) formats and cover three areas (Exeter, Newport and Inverness).

### Visualise OS ESG sample data online

This product is available to try out free online using one of our three sets of sample data (Exeter, Newport and Inverness) through the OS MasterMap Product Viewer:

<table data-view="cards" data-full-width="false"><thead><tr><th></th><th></th><th data-hidden></th><th data-hidden data-card-cover data-type="image">Cover image</th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><strong>OS MasterMap Product Viewer</strong></td><td>Interactive demonstrator of OS MasterMap Generation data</td><td></td><td data-object-fit="cover" data-alt="Example image showing OS VectorMap Local product data over an urban area."><a href="https://1897589978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FcNpJpLP8RROUaWVQo5ea%2Fuploads%2Fuld7V42IKrB8ovpC1JXB%2FVectorMap-Local-1.png?alt=media&#x26;token=cb3e8ae9-d669-4bc9-b7a7-5f479d780447">VectorMap-Local-1.png</a></td><td><a href="https://experience.arcgis.com/experience/20981dabcb14402687dccb437a4a78fb/">https://experience.arcgis.com/experience/20981dabcb14402687dccb437a4a78fb/</a></td></tr></tbody></table>

## What's next?

To access documentation and resources relating to this product, please refer to the following:

<table data-view="cards"><thead><tr><th></th><th></th><th data-hidden data-card-cover data-type="image">Cover image</th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><p><strong>Overview</strong></p><p>The overview introduces the OS ESG and gives context for all users – highlighting key features, providing examples of potential uses, and listing details such as supply formats, currency, etc.</p></td><td></td><td data-object-fit="cover" data-alt="Example image showing OS ESG product data over a background map."><a href="https://1897589978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FcNpJpLP8RROUaWVQo5ea%2Fuploads%2FUYuazegjDidZahfvD5ic%2Fbridges-01.png?alt=media&#x26;token=dd2840dd-f3af-44c0-a91b-d3dc2aa7ee8e">bridges-01.png</a></td><td><a href="https://docs.os.uk/os-downloads/products/addresses-and-names-portfolio/os-emergency-services-gazetteer/os-esg-overview">https://docs.os.uk/os-downloads/products/addresses-and-names-portfolio/os-emergency-services-gazetteer/os-esg-overview</a></td></tr><tr><td><p><strong>Getting Started Guide</strong></p><p>The getting started guide provides instructions for using the OS ESG in different software applications. Users with limited technical knowledge will be able to follow this guide.</p></td><td></td><td data-object-fit="cover" data-alt="Example image showing OS ESG product data over a background map."><a href="https://1897589978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FcNpJpLP8RROUaWVQo5ea%2Fuploads%2FvVPbw11LXurdWWRLnCnT%2Fsites1-01.png?alt=media&#x26;token=2a563af2-312e-48a1-b9ec-156f6687dc7d">sites1-01.png</a></td><td><a href="https://docs.os.uk/os-downloads/products/addresses-and-names-portfolio/os-emergency-services-gazetteer/os-esg-getting-started-guide">https://docs.os.uk/os-downloads/products/addresses-and-names-portfolio/os-emergency-services-gazetteer/os-esg-getting-started-guide</a></td></tr><tr><td><p><strong>Technical Specification</strong></p><p>The technical specification provides detailed technical information about the OS ESG. It is targeted at technical users and software developers.</p></td><td></td><td data-object-fit="cover" data-alt="Example image showing OS ESG product data over a background map."><a href="https://1897589978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FcNpJpLP8RROUaWVQo5ea%2Fuploads%2FUM4DSOa6dzc79NFqxOJL%2Fjunctions-01.png?alt=media&#x26;token=c2e3d58a-2c02-491c-b06e-dad203056a70">junctions-01.png</a></td><td><a href="https://docs.os.uk/os-downloads/products/addresses-and-names-portfolio/os-emergency-services-gazetteer/os-esg-technical-specification">https://docs.os.uk/os-downloads/products/addresses-and-names-portfolio/os-emergency-services-gazetteer/os-esg-technical-specification</a></td></tr><tr><td><p><strong>FAQs</strong></p><p>The FAQs section answers common questions users may have about the OS ESG. It offers quick responses to frequent queries customers have about this product.</p></td><td></td><td data-object-fit="cover" data-alt="Example image showing OS ESG product data over a background map."><a href="https://1897589978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FcNpJpLP8RROUaWVQo5ea%2Fuploads%2F2im6dEzr99gTuUEVOz2i%2Fvernacular-01.png?alt=media&#x26;token=a7b47b1c-0e42-4037-91ee-2bcf65c1c643">vernacular-01.png</a></td><td><a href="https://docs.os.uk/os-downloads/products/addresses-and-names-portfolio/os-emergency-services-gazetteer/os-esg-faqs">https://docs.os.uk/os-downloads/products/addresses-and-names-portfolio/os-emergency-services-gazetteer/os-esg-faqs</a></td></tr><tr><td><p><strong>Downloads</strong></p><p>The downloads page provides links and resources to support the application of OS ESG within your environment.</p></td><td></td><td data-object-fit="cover" data-alt="Example image showing OS ESG product data over a background map."><a href="https://1897589978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FcNpJpLP8RROUaWVQo5ea%2Fuploads%2Fy1GIR95cmGTgMbcqyquR%2Fvernacular-01.png?alt=media&#x26;token=12c17aeb-84f5-4a00-9985-9366f7872341">vernacular-01.png</a></td><td><a href="https://docs.os.uk/os-downloads/products/addresses-and-names-portfolio/os-emergency-services-gazetteer/os-esg-downloads">https://docs.os.uk/os-downloads/products/addresses-and-names-portfolio/os-emergency-services-gazetteer/os-esg-downloads</a></td></tr><tr><td><strong>Ordnance Survey Website</strong></td><td>View OS Emergency Services Gazetteer product information and find out how to get this product on the OS website.</td><td></td><td><a href="https://www.ordnancesurvey.co.uk/products/os-emergency-services-gazetteer">https://www.ordnancesurvey.co.uk/products/os-emergency-services-gazetteer</a></td></tr></tbody></table>

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New users should start with the Overview to gain high-level insight into the product. The Getting Started Guide will help you to begin using product data in different software systems. The Technical Specification contains detailed technical insights.
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