Vienna Convention on Road Signs and Signals

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Convention on Road Signs

Signatories and ratifications as of April 2023   Signed   Ratified   Accession / succession   Uses the SADC Convention   Uses the SICA Convention
Signed	8 November 1968
Location	Vienna
Effective	6 June 1978
Condition	Ratification by 15 states
Signatories	35
Parties	71
Depositary	UN Secretary-General
Languages	Chinese, English, French, Russian and Spanish

The Convention on Road Signs and Signals, commonly known as the Vienna Convention on Road Signs and Signals, is a multilateral treaty to standardize the signing system for road traffic (road signs, traffic lights and road markings) in use internationally.