The roads authority may acquire, but, under this subsection, only by agreement, any land in the neighbourhood of a public road (or proposed public road) being land which they consider it desirable to acquire for preserving or improving the amenity of the road.

Subject to section 109 of this Act, the roads authority may acquire land wherever situated which in their opinion is required in connection with the carrying out of works authorised by section 12, 69 or 70 of this Act.

The local roads authority may acquire land wherever situated which in their opinion is required for the provision of any buildings or facilities needed for the purpose of constructing, improving, maintaining or servicing a public road (or proposed public road).

The foregoing provisions of this section are without prejudice to section 104 of this Act.

Any power of a roads authority under section 104 of this Act or subsection (1) or (3) above to acquire land by agreement for the purpose mentioned in the provision in question shall be exercisable in respect of any land which, in the opinion of the roads authority, may be required for that purpose, notwithstanding that the land is not immediately required for that purpose.