Motorways - Definition and background
7.1.1
A complete and consistently maintained coverage of Motorway Records is a vital part of the national highway infrastructure for England and Wales.
7.1.2
Section 3.1 defines the scope of the NSG and lists all the types of Street that must be included in the NSG, it includes Motorways and in these cases the information must be included, regardless of whether or not the Street is maintained by the Local Highway Authority.
7.1.3
The NRSWA Code of Practice states:
’…It is a local highway authorities’ responsibility to create and maintain street gazetteer data for all streets within its geographical area, whether or not it is the street authority for a particular street…’
7.1.4
This section describes:
- The creation of type 11 Street Records, type 15 Street Records and the associated level 3 ESU geometry information.
- The data entry and naming conventions for all types of Motorway Records.
- The definition of Streets associated with Motorways includes classified numbered Roads with Motorway restrictions, for example the A1(M).
7.1.5
The types of Street associated with Motorways are:
- Junction to junction (type 2 Streets).
- Through junctions (type 2 Streets).
- Slip Roads.
- Motorway service station access only slip Roads.
- Emergency services or works unit access only slip Roads.
- Link Roads (type 2 Streets).
- Roundabouts and junctions (type 2 Streets).
- Type 3 Streets.