It is prohibited to drive whilst under the influence of illicit drugs. There are no rules concerning specific types of drugs.
The information on road-safety rules on this website according to Article 8(1) of Directive 2011/82/EU facilitating the cross-border exchange of information on road safety related traffic offences is provided by France. In the event of any conflict between the provided data and the rules in effect in a given country, the latter take precedence. The data are meant purely as a documentation tool and the Commission does not assume any liability for their content or their accuracy.