> For the complete documentation index, see [llms.txt](https://docs.os.uk/os-downloads/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.os.uk/os-downloads/~/changes/AJZwzCsyrD9hiTbOxIbO/networks/os-mastermap-highways-network-core-principles.md).

# OS MasterMap Highways Network Core Principles

The OS MasterMap Highways Network family of products includes a road network, a path network, connectivity across British islands through a ferry network, plus routing and asset management information. The product family includes three products:

* [OS MasterMap Highways Network – Roads](/os-downloads/~/changes/AJZwzCsyrD9hiTbOxIbO/networks/os-mastermap-highways-network-roads.md)
* [OS MasterMap Highways Network – Routing and Asset Management Information (RAMI)](/os-downloads/~/changes/AJZwzCsyrD9hiTbOxIbO/networks/os-mastermap-highways-network-routing-and-asset-management-information.md)
* [OS MasterMap Highways Network – Paths](/os-downloads/~/changes/AJZwzCsyrD9hiTbOxIbO/networks/os-mastermap-highways-network-paths.md)

## Index

The following core principle sections provide an overview of the three OS MasterMap Highways Network products, covering key elements such as product supply, coverage, file naming, release notes and a getting started guide, amongst other topics:

* [Release Notes](/os-downloads/~/changes/AJZwzCsyrD9hiTbOxIbO/networks/os-mastermap-highways-network-core-principles/release-notes.md)
* [OS MasterMap Highways Network Product Family](/os-downloads/~/changes/AJZwzCsyrD9hiTbOxIbO/networks/os-mastermap-highways-network-core-principles/os-mastermap-highways-network-product-family.md)
* [OS MasterMap Highways Network Product Guide](/os-downloads/~/changes/AJZwzCsyrD9hiTbOxIbO/networks/os-mastermap-highways-network-core-principles/os-mastermap-highways-network-overview.md)
* [OS MasterMap Highways Network Getting Started Guide](/os-downloads/~/changes/AJZwzCsyrD9hiTbOxIbO/networks/os-mastermap-highways-network-core-principles/os-mastermap-highways-network-getting-started-guide.md)
* [OS MasterMap Highways Network Playbook](/os-downloads/~/changes/AJZwzCsyrD9hiTbOxIbO/networks/os-mastermap-highways-network-core-principles/os-mastermap-highways-network-playbook.md)
* [OS MasterMap Highways Network Downloads](/os-downloads/~/changes/AJZwzCsyrD9hiTbOxIbO/networks/os-mastermap-highways-network-core-principles/os-mastermap-highways-network-downloads.md)

These pages should be used in conjunction with the detailed technical specifications found under the respective top-level product page for each product.


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