CPV code 34996000 designates Control, safety or signalling equipment for roads in the Common Procurement Vocabulary (CPV 2008), the EU classification used to describe the subject of public contracts.
34996000 sits under 34990000 (Control, safety, signalling and light equipment) and groups 3 more specific sub-codes. When classifying a tender, choose the narrowest code that still covers the full subject of the contract.