To ask the Secretary of State for Transport what expert advisers have been commissioned by his Department and its agencies since 1997; on what topic each was commissioned; and whether the adviser so appointed made a declaration of political activity in each case. (246961)

The information requested is not held centrally and to compile a list would incur disproportionate cost.

The Department publishes on its website details of appointments to the public bodies which it sponsors.

Since 2003, the Government have published an annual list detailing the number and costs of special advisers. Information for 2007-08 was published by the Prime Minister on 22 July 2008, Official Report, columns 99-102W.