Artikel 5

1. The system prescribed in this Convention differentiates between the following classes of road signs:
(a) Danger warning signs: these signs are intended to warn road-users of a danger on the road and to inform them of its nature;
(b) Regulatory signs: these signs are intended to inform road-users of special obligations, restrictions or prohibitions with which they must comply; they are sub-divided into: (i) Priority signs;
(ii) Prohibitory or restrictive signs; and
(iii) Mandatory signs;
(iv) Special regulation signs.
(i) Priority signs;
(ii) Prohibitory or restrictive signs; and
(iii) Mandatory signs;
(iv) Special regulation signs.
c) Informative signs: These signs are intended to guide road-users while they are travelling or to provide them with other information which may be useful; they are subdivided into: (i) Information, facilities or service signs;
(ii) Direction, position or indication signs: Advance direction signs;
Direction signs;
Road identification signs;
Place identification signs;
Confirmatory signs;
Indication signs;
Advance direction signs;
Direction signs;
Road identification signs;
Place identification signs;
Confirmatory signs;
Indication signs;
(iii) Additional panels.
(i) Information, facilities or service signs;
(ii) Direction, position or indication signs: Advance direction signs;
Direction signs;
Road identification signs;
Place identification signs;
Confirmatory signs;
Indication signs;
Advance direction signs;
Direction signs;
Road identification signs;
Place identification signs;
Confirmatory signs;
Indication signs;
(iii) Additional panels.
2. Where this Convention allows a choice between several signs or several symbols,
(a) Contracting Parties undertake to adopt only one of such signs or symbols for the whole of their territories;
(b) Contracting Parties shall endeavour to reach regional agreements on the same choice;
(c) The provisions of Article 3, paragraph 3, of this Convention shall apply to signs and symbols of the types which are not chosen.