No Regional valuation of infrastructure improvements. The case of Swedish road freight. A study aimed at developing a uniform methodology for evaluating potential safety effects of projects on road infrastructure improvements is presented. The final product of the study is a computer program, which enables its users to perform cost-benefit analysis of different variants of a project, from the viewpoint of. Infrastructure improvements. Lower transportcosts. More reliable transport. Localisa on effects. Larger markets Be er logis cs. Increased efficiency through increased compe on, agglomera on and be er labour matching. Economic effects of infrastructure investment. Kjh.