We propose a series of kick-off points related to the economic appraisal of large urban infrastructure projects, taking some account of the specifics raised by the Grand Paris Express (GPE) regional automatic metro. The points, in the form of Maintained Hypotheses or Questions in Need of...

Private motorised vehicles account today for 90% of total surface transport1 CO2 emissions. Car fleets are growing rapidly in many cities in the developing world, where population and income growth will be concentrated in the coming decades. For example, whilst urban agglomerations with more...

Public transport patronage has been continuously declining in major Korean cities as levels of car ownership rise. Public transport has lost its competitive edge to private cars because people tend to prefer more convenient modes as their income increases. A promising way to reverse this trend...