Factoring sustainable development into the appraisal of investment projects is a topical issue at both the analytical and the decision-making level. In the area of analysis, we find numerous studies and research projects devoted to the assessment of environmental damage and its translation into...

Mathematical optimisation models, supported by suitable data, can assist decision making about allocating funds between alternative maintenance tasks and about the size of the maintenance budget. The maintenance optimisation problem is, in essence, to find the optimum balance between the costs...

This paper considers the choice between different approaches to contract for the construction and maintenance of infrastructure projects. The need to control for user costs over the life cycle of an asset is demonstrated to be a core aspect of contract design. The more likely it is that a...

Since the mid 90's, public transport patronage in Île-de-France (the Paris region) has increased substantially: over the last decade alone a 20% growth was observed. This growth, even though it was an aim of the Sustainable Urban Mobility plan adopted in 2000, was not completely anticipated....

Origin-destination demand, trip patterns, pricing and transport networks alone cannot explain passenger demand for public transport modes. Other factors of convenience and service quality play a key role in influencing demand and mode choice but they are often more complex and harder to define,...