Road Network for Saint Helena, Ascension and Tristan da Cunha from OpenStreetMap

OpenStreetMap exports provide a road network across Saint Helena, Ascension and Tristan da Cunha. The data includes features tagged with `highway`, such as motorways, residential streets, service roads, footways, and trails. It was last updated on 2026-05-14 by the Humanitarian OpenStreetMap Team.

Use Cases

• Plan vehicle routing based on the network of motorways and residential streets.
• Analyze pedestrian accessibility based on footway and trail data.
• Model evacuation scenarios using the complete road network.
• Assess transportation infrastructure coverage across urban and remote areas.

Strengths

• Includes multiple road types such as motorways, residential streets, service roads, footways, and trails.
• Available in multiple geospatial file formats including GEOPACKAGE, SHP, and JSON.
• Last updated on 2026-05-14.

Limitations

• Completeness varies by region; remote areas may be incomplete.
• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.

Provenance

Source

OpenStreetMap

Collection Method

Volunteer-contributed mapping via the OpenStreetMap platform.

Freshness

Last updated 2026-05-14.

Geography

Saint Helena, Ascension and Tristan da Cunha