Rail
Transport Infrastructure Investment and Maintenance 2015 Data Collection
Presentation, slides, speech,
13 March 2017
Free Public Transport as a Measure for Improving Air Quality
Presentation, slides, speech,
17 January 2017
The Airport Industry in a Competitive Environment: A United Kingdom Perspective
Discussion Paper,
30 June 2008
Full Account of the Costs and Benefits of Reducing CO2 Emissions in Transport
Discussion Paper,
1 January 2008