HAPMS: Highways England Pavement Management Network Layer

National Highways provides a geospatial layer detailing the majority of the Highways England road network, including trunk roads and motorways. This data, formatted in the legacy HAPMS schema from the newer P-AMS system, indicates the spatial extent of the agency's maintenance responsibility. The dataset was last updated on 2026-05-01.

Use Cases

• Mapping the spatial extent of Highways England's maintenance responsibility based on the described road network coverage.
• Analyzing pavement management system transitions based on the migration from HAPMS to P-AMS mentioned in the description.
• Integrating road network boundaries for regional transportation planning based on the described trunk roads and motorways.

Strengths

• Covers the majority of the Highways England road network, including trunk roads and motorways.
• Formatted into a consistent schema (HAPMS) for historical compatibility.
• Last updated on 2026-05-01, indicating recent maintenance.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• The description notes the data is designed for pavement system use and no responsibility is accepted for misuse, implying specific intended use.

Provenance

Source

National Highways

Collection Method

Taken from the P-AMS system and formatted into the HAPMS schema.

Time Range

Spring 2023 (P-AMS replacement date) to 2026-05-01 (last update).

Freshness

2026-05-01

Geography

Highways England road network in the United Kingdom.