The Transport Economic Development & Infrastructure Committee was responsible for managing economic, environmental, and infrastructure issues affecting the Isles of Scilly, as well as monitoring external impacts. It exercised the Council's powers and duties across a wide range of areas, including environmental health, waste management, housing infrastructure, and local highway authority functions. The committee also oversaw transport strategy, economic development initiatives, and the management of council assets and public spaces. It had the authority to make recommendations on policies and projects, and to set fees and charges, with specific voting rights for members.