Managing large-scale transportation infrastructure projects is difficult due to frequent misinformation about the costs which results in large cost overruns that often threaten the overall project viability. This paper investigates the explanations for cost overruns that are given in the...

This paper examines three independent explanatory variables and their relation with cost overrun in order to decide whether this is different for Dutch infrastructure projects compared to worldwide findings. The three independent variables are project type (road, rail, and fixed link projects),...

In recent years the subject of decision making on large transport infrastructure projects and related institutional issues have received much attention in the academic and professional literature, partly triggered by the book Megaprojects and Risk (Flyvbjerg et al., 2003). This book shows that...