 In 2005, after the resignation of the then Minister of Works and Transport, Franklin Khan, Imbert was appointed Minister of Works and Transport.In 2007, his constituency, Diego Martin East, was renamed Diego Martin North/East due to boundary changes, and in the general election of 2007, Imbert won his seat again, for the sixth time.He was re-appointed Minister of Works and Transport and served in this position until the general election of May 2010, when the PNM lost the government.