western scandinavia features two successful examples of such packages in oslo and in west sweden see the summary in table and a description in box both political agreements allow for substantial national investment in urban transport infrastructure under the condition that the metropolitan areas create a new tax or a charge a ring road toll in oslo congestion tax in gothenburg and use the revenue to match national funding city packages are longterm plans for the development of transport systems in a city or in a metropolitan area typically over a period of years which are cofiinded with road tolls