Abstract
The applicability to the Finnish context - low population density, relatively low average traffic volumes, and high investment costs - of the different road user charging models is studied. As a conclusion, further research in the following topics is suggested: (a) integration of the financing of construction and maintenance of streets which are under the responsibility of communities and cities and roads, highways, etc, these are currently financed by the state; (b) assessment of the road users' response to different charging systems; and (c) definition of the marginal cost of road use including externalities, such as the financial analysis of specific projects which are likely to succeed as toll roads. (A)