The African continent is facing the potential of a US$183.6 billion liability to repair and maintain roads damaged from temperature and precipitation changes related to climate change through 2100. As detailed, the central part of the continent faces the greatest impact from climate change with...

This paper has two main purposes. The first is to present, to analyze and to suggest road infrastructure investment and financing policies in Brazil. The second objective is to analyze toll road concessions, with emphasis on toll tariffs. For the last eight years federal road investment (at...

Against the backdrop of growing momentum for regional cooperation and integration (RCI) in Asia, this paper examines the link between regional roads and Asian Development Bank (ADB) support between 1966 and 2008. The novel methodology used in this paper includes an Asia-wide definition of...

This paper studies the renegotiations of road concessions in Chile, Colombia and Peru for the period 1993-2010. First, it analyses the legal framework, the institutional design and the types of concessions of these countries and second, it uses a novel data composed of a sample of 61 of the 62...

We study road supply by competing firms between a single origin and destination. In previous studies, firms simultaneously set their tolls and capacities while taking the actions of the others as given in a Nash fashion. Then, under some widely used technical assumptions, firms set a...

We study road supply by competing firms between a single origin and destination. In previous studies, firms simultaneously set their tolls and capacities while taking the actions of the others as given in a Nash fashion. Then, under some widely used technical assumptions, firms set a...

This paper presents a case of public - private partnership in road provision in Uruguay. It is a concession where the concessionaire is publicly owned with a contract known as “present value of expenditure”. This scheme is a good solution in a country where people reject private ownership of...

When transportation programs are assisted with federal funding, there are typically domestic preference conditions, or "Buy America" requirements, associated with the use of federal funds. For more than forty years, highway construction funds administered by the Federal Highway Administration...

In greenfield toll-road projects, financial sustainability has been a major issue. Many toll roads cannot be operated. Although most of Indonesia's 24 toll road concessions have already been signed by the Toll Road Authority, most of them were caused by financing problems. Three problems have...

Highway construction occurs nowadays mainly through widening of existing roads rather than building new roads. This paper documents that highway widenings considerably reduce congestion in the short run, defined here as 6 years. Using longitudinal microdata from highway detector loops in the...