The project is divided into two parts. The initial step consists of a literature review which will concentrate on an evaluation of effects resulting from introducing toll systems for heavy traffic in the Alpine region (Switzerland 2001, Austria 2004 and Germany 2005).

The evaluation of the results from the introduction of tolls for heavy vehicles in Austria, Switzerland and Germany is expected to produce valuable information and experience of how the different market actors react on different system solutions, toll levels and regulatory systems. The intention is, among others, to discuss the unfavourable effects in Germany of heavy traffic choosing minor state roads through urban areas in Germany to avoid tolls. Another undesired way of avoiding tolls that is frequently used is to use parallel roads in bordering countries, e.g. the Czech Republic. 

In the following step of the project, alternative toll structures for the Swedish road networks will be developed and analysed. The method of measuring changes in road transport flows is based on simulations of freight flows by means of a freight model implemented in the EFM STAN. The model is developed from the SAMGODS model. Thus, one result will be a method that can measure the consequences from the introduction of road charges for road transports on the Swedish road network