Maist Kintras pits signs, kent as traffec signs or road signs, at the sides o roads for tae impairt information tae road uisers. Syne leid differs can create barriers tae understaundin, internaitional signs uisin seembols in steid o wirds haes been developed in Europe an adoptit in maist kintras an areas o the warld. Annexe 1 o the Vienna Convention on Road Signs an Seegnals o November 8t, 1968 defines aicht categories o signs:
- A. Danger wairnin signs
- B. Priority signs
- C. prescriptive signs
- D. Mandator signs
- E. Speicial regulation signs
- F. Information, faceelities, or service signs
- G. Airtins, poseetion, or indication signs
- H. Addeetional painels
Houaniver, Kintras an areas categorize road signs in differin weys.