This paper describes a parsimonious approach to the economic analysis of transportation investments. In a gravity model of trade, project benefits may be summarized by a money metric for the change in market access experienced by all cities due to the investment. This metric is equivalent to the...

Disruption of infrastructure services can cause significant social and economic losses, particularly in the event of a natural disaster. The World Bank Group and the Government of Japan established the Quality Infrastructure Investment Partnership to focus attention on the quality dimensions of...

In most industrialised countries, it can be seen that urban mobility and car traffic have stagnated since the early 2000s. In France, the report on traffic conducted by the National Transport Accounts Commission shows a similar break in the trend, which was confirmed by household travel surveys...

American driving habits are changing. After decades of steady increases in the amount of driving, the number of vehicles, and the extent of licensed drivers, there now appears to be a shift. The growth is clearly leveling off, and dropping on a per capita basis, even at a time when a vast array...