The ITF’s Mary Crass tells Colin Sowman why future transport demands will require governments to overcome the silo effect of individual single-modal authorities. The only global multimodal transport policy organisation,” is how Mary Crass describes the International Transport Forum (ITF), which is housed at the Organisation for Economic Cooperation and Development (OECD). As head of policy and summit preparation at the ITF she says: “All other organisations are either regional or have a modal focus, we cove