§ Mr. LidingtonTo ask the Secretary of State for Transport, Local Government and the Regions what recent research his Department has carried out into the effect of cannabis smoking on the competence of road vehicle drivers. [40842]
§ Mr. JamiesonResearch undertaken by TRL Ltd on behalf of the Department, and published in December 2000, concluded that the effects of cannabis on driver performance were different from those of alcohol, but they were unpredictable and as such could be a hazard. The complete TRL Report 477 "The Influence of cannabis on driving" is available directly from TRL Ltd or is free via the Department's website at "www.roads.dtlr.gov.uk/roadsafety/index.htm" under "DTLR Reports published by TRL". Alternatively, the summary of the report is available at "www.roads.dtlr.gov.uk/roadsafety/research16/index.htm".