A non-binding referendum on the introduction of right hand traffic was held in Sweden on 16 October 1955.
The voter turnout was 53.2%, and the suggestion failed by 15.5% against 82.9%. However, eight years later, in 1963, the Riksdag approved the change, following pressure from the Council of EuropeThe Rule of the Road: An International Guide to History and Practice, Peter Kincaid, Greenwood Press, 1986, page 160 and the Nordic Council.The Nordic Council and Scandinavian Integration, Erik Solem, Praeger Publishers, 1977, page 99 Traffic in Sweden switched from driving on the left-hand side of the road to the right on 3 September 1967 (see Dagen H).
Result
References