To ask the Secretary of State for Transport what assessment he has made of the cost effectiveness of Government-commissioned advertising in the last 12 months relating to matters falling within the remit of his Department. (226510)

The Department regularly assesses the cost effectiveness of our advertising through analysis by independent media auditors, quantitative research and progress against real world indicators, such as, in the case of our THINK! road safety campaign, the number of people killed or seriously injured.