High Quality Content by WIKIPEDIA articles! The Vienna Convention on Road Traffic is an international treaty designed to facilitate international road traffic and to increase road safety by standardising the uniform traffic rules among the contracting parties. This convention was agreed upon at the United Nations Economic and Social Council`s Conference on Road Traffic (October 7, 1968 - November 8, 1968) and done in Vienna on 8 November 1968. It came into force on 21 May 1977. This conference also produced the Vienna Convention on Road Signs and Signals.