Section 70 of the Highways Act 1980 (HiA 1980) enables the highway authority for any highway, 'for the purpose of protecting traffic along the highway from danger, or of making the crossing of it less dangerous to, or easier for, pedestrians, [to] construct, light and maintain a bridge over the highway for the use of pedestrians, and may alter, remove or close temporarily any such bridge'. Highways England was appointed as a 'strategic highways company' and a 'highway authority' under section 1 of the Infrastructure Act 2015, and as a highway authority may exercise the powers under HiA 1980, s 70. HiA 1980, s 70(3)(a) provides that 'the supports