Image of roadworks

Underpinning the national street infrastructure

The NSG is the definitive dataset of streets within England and Wales, for street works, highways maintenance and traffic management. In line with British Standard 7666(2006) the NSG is regularly updated by all 174 highway authorities with Additional Street Data (ASD), such as road centre lines, ownership details, height weight and width restrictions and direction of travel.

This site provides services for the upload and download of NSG and ASD data. To upload or download data log in using the button above, or if you need to register as a statutory user of the data, follow the register button in the navigation menu.

Underpinning Transformational Government Conference

Yorkshire and HUmberside Best Performing Region AwardIntelligent Addressing and LGIH are pleased to announce the winners of the 2009 Exemplar Awards

The awards were presented at the Underpinning Transformational Government Conference and exhibition at the Victoria Park Plaza on the 26th November. With 24 exhibitors and an excellent line up of speakers, this year's event proved very popular amongst the NLPG and NSG community.

If you were not able to attend this year's event you can listen to the presentations online and download the slides at the above link.

Streamlining management information

Custodian meetingShropshire Council acquired unitary status on 1st April 2009. Five district councils and one county council merged with the goal of improving frontline services by providing joined-up functions throughout the council. By refining Shropshire's processes for maintaining street and address information, the Local Land and Property Gazetteer custodian and Local Street Gazetteer custodian have demonstrated a more efficient and effective way to approach day to day council activities.

To read the full case study and learn about best practise information management visit the IDeA site.

Latest news...

February 2010 NSG Edition now available

The February 2010 Edition of the NSG is available to download. This is the final publication of the NSG-CSV format. The sole mechanism of data transfer from April 2010 will be DTF 7.1.
Intelligent Addressing are offering a conversion service to those organisations that are unable to import DTF 7.1. For more information please contact the NSG Helpdesk.

Wed, 3 Mar 2010

NSG helps to tackle cold snap pothole danger

Following the worst cold weather conditions for over 30 years, highway authorities across England and Wales are facing huge challenges in repairing newly formed potholes on our roads. The rich information held within the National Street Gazetteer (NSG), has greatly simplified this task by assisting the scheduling and communication of necessary repairs...

Wed, 10 Feb 2010

ASD and ODD files available for London Authorities implementing Permit Scheme

ODD and ASD files are now available for download for all London Authorities implementing a Permit Scheme on Monday 11th January. A Permit ODD file for Kent is also now available for download.

Any issues with ODD files should be reported directly to the local authority for resolution.

Fri, 8 Jan 2010