OS MasterMap Highways Network: Detailed Navigable Roads for Great Britain

OS MasterMap® Highways Network is described as the most complete, detailed, and accurate navigable road network dataset for Great Britain. It records road dimensions and accessibility, drawing on authoritative sources to support operational decisions. The dataset includes information on planned and roads under construction.

Use Cases

• Model traffic flow and accessibility based on recorded road dimensions.
• Plan infrastructure maintenance and development using data on roads under construction.
• Support emergency response by establishing a common understanding of incident locations and surrounding areas.
• Analyze future road network evolution based on information about planned roads.

Strengths

• Dataset is described as the most complete, detailed, and accurate navigable road network for its geographic scope.
• Draws on authoritative sources to underpin a common operational picture.
• Includes data on both existing roads and those planned or under construction.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count, file formats, and last update date are unknown, which may limit suitability assessment.

Provenance

Source

Government Digital Service

Collection Method

Likely compiled from authoritative sources such as national mapping and transport agencies.

Time Range

null

Freshness

Last update date is unknown; freshness unverified.

Geography

Great Britain