Highways Act Orders and Schemes

Scheme Detail
3.7 Little scheme detail should be added to the Ordnance Survey base. Where a
link road is included in the Side Roads Order which will connect the Scheme
to the existing local network, this can be shown by black and white dashes on
the Scheme plan to make the Scheme easier to understand. Where separate
Schemes are being prepared for the main line and the connecting roads, the
connecting roads should be marked by black and white dashes on the Scheme
plan. On the plan for the Connecting Road plan, the main line should be shown
by two solid lines. The markings should be included in the key. (See standard
key above)
Combining Orders
3.8 Normally the new motorway and any slip roads will be included in the same
Scheme and should be shown on the same plan. However, for major projects
there can be an advantage in showing these in separate schemes. If any of
the proposed slip roads are challenged the main scheme can proceed whilst
consultation is carried out on modifications to the connecting road scheme.
Extent of new road marking
3.9 Where a new section of motorway is to be constructed, the line should
commence on the boundary of the existing motorway at a point where the
highway boundary of the new and existing motorways diverge (note it is the
highway not the carriageway boundary which is the relevant point).
3.10 Where an existing motorway is being upgraded partially on-line and partially on
a new line, consideration should be given to how this can best be shown. The
centre line of the road may be moved to one side and part of the existing highway
closed without the need for a new Scheme, although a Scheme should be
considered if the stopping up removes the bulk of the existing highway. Where
most work is on-line with short lengths of new highway it is probably preferable
to show only these short sections as a new line. However, where the new route
predominates, consideration should be given to stopping up the existing highway
and showing the whole section as a new line. This is particularly the case where
the on-line sections involve asymmetric widening with the existing road partly
stopped up.
3.11 Where an existing all purpose road is being upgraded to motorway, the Scheme
plan should include the full route.
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