CPV code 60000000 designates Transport services (excl. Waste transport) in the Common Procurement Vocabulary (CPV 2008), the EU classification used to describe the subject of public contracts.
60000000 is a top-level division — the broadest kind of CPV code. Divisions are usually too general for a contract notice: browse the 6 sub-codes below and pick the most specific code that still covers the whole contract.