Summary information on taskforces and other standing bodies is available in the annual Cabinet Office publication “Public Bodies”. Copies of “Public Bodies 2008” are available in the Libraries of the House. Detailed information on ad hoc advisory bodies is available in the Department’s Annual Report:
http://www.dft.gov.uk/about/publications/apr/ar2008/
Information about reviews commissioned in the last five years is not held centrally and could be obtained only at disproportionate cost.