Paragraph 9
Expenditure on the improvement of any highway where the improvement does not —
(a)
widen the carriageway of any road by more than 0.25 metre,
(b)
significantly change the alignment of the carriageway of any road,
(c)
substantially improve the standard of the road, or
(d)
involve the provision of new traffic signals (other than by the replacement of existing traffic signals).