CPV code 45233300 designates Foundation work for highways, roads, streets and footpaths in the Common Procurement Vocabulary (CPV 2008), the EU classification used to describe the subject of public contracts.
45233300 sits under 45233000 (Construction, foundation and surface works for highways, roads) and groups 4 more specific sub-codes. When classifying a tender, choose the narrowest code that still covers the full subject of the contract.