Highways Act Orders and Schemes

2. Line, Detrunking and Trunking Orders under Section
10 of the Highways Act
Extent of Plans
Requirement of Regulations
2.1 The requirements of the Regulations are that the detail must be shown for at least
67 metres to either side of the centre line of a new road shown in the Order. This
includes 67 metres from any new connecting roads (i.e. slip roads). The base
map must be Ordnance Survey based and show up-to-date detail.
Scale
Requirement of Regulations
2.2 The Regulations require any Order plan for a new trunk road line to be at a scale
of not less than 1:10,000.
2.3 For a large scheme, 1:10,000 will normally be appropriate. For small schemes, a
larger scale should be considered, eg 1:5,000 or 1:2,500.
2.4 Trunking an existing non-trunk road and detrunking are not subject to the
Regulations. As the highway is already in existence, a small scale plan may be
appropriate but this should not be less than 1:50,000. If trunking/detrunking
Orders are being published as part of a project including a new trunk road line
or motorway scheme, the trunking and detrunking plans should be at the same
scale as those for the new road.
2.5 Where a small scale is used for the plan, and there are one or two items which
need to be at a larger scale, for example termination points for the trunking or
detrunking, this can be done by using insets.
Markings
Requirement of Regulations
2.6 That the new centre line be shown by a solid black line not more than
1.5 mm wide.