National Street Gazetteer
Maintain a compliant, connected street network.
Streamlined Street Gazetteer Management for England and Scotland
WDM’s NSG module simplifies the creation, validation, and submission of Local Street Gazetteers (LSGs), for England and Wales using NSG 8.1 and for Scotland with NSG 7.1. Fully aligned with national standards and BS7666 compliant, it helps highway authorities manage their street records with accuracy, automation, and confidence.
From attribution and geometry checks to GeoPlace publishing and version control, the system brings together everything you need to meet your obligations – with GIS integration, validation feedback, and WFS tools built in.
What this module helps you do
- Maintain a complete, accurate Local Street Gazetteer
- Validate geometry and attribution automatically before submission
- Publish live WFS feeds to contractors, developers, and systems
- Submit directly to GeoPlace with full audit tracking
- Support BS7666 compliance in England, Wales and Scotland
Key Features
- 1
LSG Editing Environment
Add and edit street records with integrated spatial tools and attribution forms.
- 2
Live Validation Tools
Run built-in checks for geometry, logical consistency, USRNs, and mandatory fields before publishing.
- 3
GeoPlace Submission Tools
Export and submit LSGs with full version control, history tracking, and change monitoring.
- 4
WFS Publishing
Serve your live street data as a web feature service (WFS) to third parties and internal teams.
- 5
Scottish Gazetteer Support
Configure the system for Scottish data structures, fields, and export standards.
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Speak to a software expert
Whether you’re updating monthly or integrating with wider street works systems, we’ll help you keep your Gazetteer accurate, compliant, and connected.

Explore the connected system
WDM software is modular by design – but most powerful when combined. These collections integrate seamlessly to create one intelligent, joined-up platform:




