7.3.5.1
Off-slip and link Roads start at the point where the slip Road leaves the centreline of the main carriageway.
7.3.5.2
Off-slip and link Roads end at the point where the slip Road meets the centreline of the non-Motorway carriageway.
7.3.5.3
On-slip and link Roads start at the point where the slip Road leaves the centreline of the non-Motorway carriageway.
7.3.5.4
On-slip and link Roads end at the point where the slip Road meets the centreline of the Motorway carriageway. For examples of good and bad practice, see Section 7.4. The same rules apply to off-slip and link Roads.
7.3.5.5
If a Street Works Authority boundary intersects or crosses a slip Road or Motorway link Road, the Street Works Authority where the slip Road or link originates must enter a Record into its LSG using its range of USRNs. In a two-tier authority arrangement, the USRN must be from the County Council range.
7.3.5.6
If a slip Road is maintained by the LHA then the same naming conventions as for other slip Roads must be used. Data relating to the LHA is required in the ASD type 61 Interest and type 62 Construction Records.
7.3.5.7
For guidance on entering slip Roads to Motorway service stations, see Section 7.3.7, Section 7.3.12, and Section 7.3.14. The same rules apply to slip or access Roads only to emergency services or works units.