Collisions with dangerous roadside obstacles and rollovers are responsible for many injuries and deaths in highways worldwide. International crash data indicate that roadside characteristics contribute to more than half ...

Vehicle trajectory descriptions are required for the development of driving behaviour models and in the calibration of several traffic simulation applications. In recent years, the progress in aerial sensing technologies ...

One of the European policy objectives, as envisaged by the EC Transport White Paper, is to reduce Europe's dependence on imported oil and to cut greenhouse gas emission (GHG) from transport by 20% by 2030 and by 70% until ...

Crash prediction models play a major role in highway safety analysis. These models can be used for various purposes, such as predicting the number of road crashes or establishing relationships between these crashes and ...

Road restraint systems are roadside structures that include safety barriers, crash cushions, terminal of barriers, the transitions among different road restraint systems, motorcyclist protection devices, etc. These systems ...

The European Commission Transport White Paper “Roadmap to a Single European Transport Area – Towards a competitive and resource efficient transport system” envisages that by 2050 only electric vehicles would circulate in ...

According to official statistics, an important percentage of accidents and injuries are reported in Portuguese urban areas: from 2004 to 2007, 70% of the injury accidents and 43% of the fatalities occurred inside urban ...

A research project, “IRUMS – Safer urban roads”, aims to develop a procedure for the explicit consideration of safety issues in the decision making process of urban transportation networks and in the allocation of resources ...

This paper summarizes the result of a study which contributes to the improvement of road safety in urban areas, through the creation of tools that can be used in intervention methods in the planning and management of road ...

This paper summarizes the result of a study regarding the creation of tools that can be used in intervention methods in the planning and management of urban road networks in Portugal. The first tool relates the creation ...