Recent advances in the scientific understanding of urban traffic congestion have only strengthened the already solid case for congestion charges as an element of a successful urban transport policy. But examples of real-world congestion charging systems remain few and far between. What can be...

Urban public transport services generally run at a large deficit. This has led public authorities to seek efficiencies, notably through private sector involvement. Support for the sector traditionally seeks to provide basic mobility services to all segments of society, including low-income...