We care about your privacy

We use cookies to optimise site functionality and give you the best possible experience.

Skip to main content
National/Regional Highway Authority

An authority with the responsibility for maintaining public Streets and Streets in their administrative area.  An authority which can submit ASD to the NSG but cannot do the following:

  • Submit a level 3 Street Record.

  • Compile the List of Streets for the Highways which it maintains.

  • Be a Surveying Authority.

See sections 1, 2 and 3 of the Highways Act 1980.

NCR (National Cycle Route)

A national network of cycle routes designated by Sustrans. NCR numbers have no statutory basis.


Within the GeoPlace DEC-Addresses, one of the following:

  • A Road or Path network.

  • A Network controlled by a Local Highway Authority traffic manager.

Sections 16 and 17 of the Traffic Management Act 2004.


A value on the Y axis of the National Grid of Great Britain.  Captured to 1cm resolution.


Electronic message sent under the EToN process to notify works. See Technical Specification for the Electronic Transfer of Notifications.  Currently v6. 

NRSWA (New Roads and Street Works Act 1991)

The primary legislation for the co-ordination of street works.

NSG (National Street Gazetteer)

The compilation of a list of street information maintained in local authorities and supplied as DCA Street Updates to GeoPlace by Authority Street Custodians.

NSG User (National Street Gazetteer User)

A statutory undertaker of street works duties as defined under the New Roads and Street Works Act 1991 (NRSWA) and by the Department for Transport (DfT). 


Join our mailing list

Sign up to our e-newsletter bringing you the latest company news and shows.