Commentary on Sections Transport Section 7 – Highways
15.Section 7 provides that the construction of a highway is a Significant Infrastructure Project when:
	the highway will be in Wales;
	the Welsh Ministers will be the highway authority for the highway;
	the highway will be a continuous length of more than 1 kilometre.
16.This section also states that the alteration of a highway is a Significant Infrastructure Project when:
	the highway will be in Wales;
	the Welsh Ministers will be the highway authority for the highway;
	the alteration or improvement is likely to have a significant effect on the environment.
17.Subsections (4) to (6) specify when the construction, alteration or improvement of a highway is not a Significant Infrastructure Project.