Rail
Recent Trends in Car Usage in Advanced Economies – Slower Growth Ahead?
Discussion Paper,
31 March 2013
Expanding Airport Capacity under Constraints in Large Urban Areas: The German Experience
Discussion Paper,
1 March 2013
Upgrading to World Class: The Future of the New York Region’s Airports
Discussion Paper,
1 February 2013
Have Americans Hit Peak Travel? A Discussion of the Changes in US Driving Habits
Discussion Paper,
1 February 2013
Effectively Regulatory Institutions for Air Transport: A European Perspective
Discussion Paper,
1 November 2010
Introducing Congestion Charges - Frequently Asked Questions
Presentation, slides, speech,
1 February 2010