Research commissioned by the Road Safety Authority (RSA) among 17 to 34 year olds into the use of illegal drugs while driving has highlighted alarming behaviour with as many as 1 in 5 people (22%) admitting they were a passenger in a car driven by someone under the influence of drugs. The publication of the research comes as the RSA broadcasts a new anti-drug driving TV and Cinema campaign today, Friday 30th July, 2010.