The document goes on to say: 'The projects that best lend themselves to this PFI structure are ones that involve new construction, i.e. the new tram schemes, the river crossings and the DLR Woolwich and Barking extensions. These financing schemes provide Transport for London with an opportunity to invest in infrastructure that will not only provide near-term benefits to transport users, but also continue-to provide benefit to Londoners in future generations.'