Vienna Convention on Road Signs and Signals

Convention on Road Signs
A map showing all the countries of the world, and their signatory status to the Vienna Convention on Road Signs and Signals
Signatories and ratifications as of April 2023
  Signed
  Ratified
  Accession / succession
  Uses the SADC Convention
  Uses the SICA Convention
Signed8 November 1968
LocationVienna
Effective6 June 1978
ConditionRatification by 15 states
Signatories35
Parties71
DepositaryUN Secretary-General
LanguagesChinese, English, French, Russian and Spanish
The title page of the Vienna Convention on Road Signs and Signals

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.


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