NWB: Dutch Road Network Managed by Water Boards

Over 1.1 million digitized road segments covering more than 160,000 kilometers of Dutch roads managed by water boards, as of January 2022. The National Road Database (NWB) is a digital geographic file of all roads in the Netherlands, including footpaths and unpaved roads if they have a street name. The dataset is updated monthly by the Ministry of the Interior and Kingdom Relations.

Use Cases

• Map road infrastructure assets based on the comprehensive national road database.
• Analyze road network density and connectivity based on the inclusion of all named roads and paths.
• Identify administrative contacts for road maintenance based on the appended contact information for road managers.

Strengths

• Contains over 1.1 million digitized road segments with a total length exceeding 160,000 kilometers.
• Updated monthly, suggesting high temporal resolution.
• Includes all roads managed by various authorities, provided they have a street name or number.

Limitations

• Row count and specific column-level documentation are unknown, which may limit suitability assessment.
• The description does not specify the exact temporal coverage beyond a snapshot date.

Provenance

Source

Ministerie van Binnenlandse Zaken en Koninkrijksrelaties

Collection Method

Aggregated from road administrators (Rijk, provinces, municipalities, and water boards).

Time Range

Snapshot from January 2022; ongoing updates.

Freshness

Updated monthly.

Geography

Netherlands