7.2.1
It is the responsibility of the Local Highway Authority to allocate USRNs, from the Local Highway Authority range, to all these types of Street; in two-tier authorities, the USRN must not be taken from the range allocated to the District Council.
7.2.2
For information about how ASD for Motorways should be created, see Section 7.3.14.
7.2.3
If Motorway sections extend across Local Highway Authority boundaries, then each Local Highway Authority must include in its LSG those sections of the Motorway that have their start points within the Local Highway Authority area and end in the adjacent Local Highway Authority area at the start of the next slip road exit, for an example see Figure 17. Please note, where a Motorway passes through an LHA area with no junctions then that LHA must not record any ESUs for this Motorway because this section of Motorway is be recorded by adjacent LHAs.
7.2.5
Figure 17 - Authority B is expected to cover the area shown red
7.2.6
The field ‘LOCALITY_NAME’ must not be completed for any Motorway Records.
7.2.7
The field ‘TOWN_NAME’ must be completed with the name of the SNN Authority in which the Motorway section or slip Road originates.
7.2.8
Associated Motorway Records must not be split at Local Highway Authority or SNN Authority Boundaries.
7.2.9
Motorway Records previously recorded in LSGs using SNN Authority range USRNs must be closed when a type 2 Street Record for a Motorway is created using a USRN from the County Council range.
7.2.10
Abbreviations must not be used, for example junction must not be abbreviated to jcn. The use of “(M)” for Motorway is acceptable if this is part of the designated Motorway classification.
7.2.11
Start and end points of each USRN must be coincident. This is to ensure a contiguous relationship between each section of Street.
7.2.12
Start and end points of each ESU must be coincident. This is to ensure a contiguous relationship between each sub section of Street.
7.2.13
County Councils must use their USRN allocation only for:
- Type 3 Streets, slip Roads, link Roads and Motorway sections.
- Type 2 Streets as listed in Section 5.3.
7.2.14
Sign posts indicate where Motorway restrictions are in force.