For assessment of infrastructure measures and find appropriate ways to reduce environment and climate damages etc., forecast models are of utmost importance. The aim of such models is, for assumed transport measures, to forecast demand for various modes and calculate consumer surplus and other components in a cost-benefit analysis.
In Sweden one model is comprised of a combination of one network model for routes within each mode and a structured logit model for the modes. The alternative applied in Sweden is a network model that handles all routes and modes simultaneously. This paper is based on an ongoing project, from which we present the basic principles of the two models, some tentative judgments and research issues that remain. Hopefully the conference will give us further ideas for the rest of the study, which is due to be finished in April 2010.