Surface transport plays a fundamental role in nearly all social and economic activity. Providing and maintaining the infrastructure consumes enormous resources. Thus, it is essential that this be carried out in the most efficient and effective way possible. Many options are available to provide...

Many governments seek to attract private finance for infrastructure through public-private partnerships (PPPs) in order to maintain investment at the same time as limiting public spending. Experience with PPPs has, however, been mixed. Some transport PPP projects have delivered major cost...