Johannes Österström


Picture of Johannes Österström

Research results from Johannes


Arlandabanan: konsekvenser av förändrade strategier

In year 2000, railway operations started between Arlanda airport and downtown Stockholm. The service is part of a PPP contract that includes construction and maintenance as well as service provision for a period of 45 years after the initiation of...

Upphandling av vägkvalitet: en kartläggning av kvalitetsbegreppet i väginvesteringar

The concept of road quality is multifaceted. This report concludes that the complexity of the concept can be managed by defining it on governments transport policy of economic efficiency and long-term sustainable transport system. Then the quality...

Effektiva kontraktsmodeller för vägunderhåll

The study in this report reviews international experiences of contracting of routine road maintenance. The study describes the contracting models used in Norway, Scotland and Ontario (Canada), as well as the results from the relevant research...

En granskning av samhällsekonomiska kalkyler för farledsinvesteringar: investeringar i...

On behalf of the Swedish National Audit Office, VTI has analyzed the cost benefit analyses (CBAs) of three fairway investments. The CBAs for the fairways into the ports of Gothenburg, Norrköping and Gävle have been analyzed from a comparative and...

Luftfartens marginalkostnader: en delrapport inom Samkost 2

While a large amount of studies has been focused on assessing the marginal costs of using roads or railroads, the corresponding knowledge about aviation has been lacking. Among other things, there has not been a coherent view in literature about...

Stimulera konkurrensen i anläggningssektorn: hur behandlas små och medelstora företag i...

The Swedish market for road construction and maintenance is often described as having a problem with sufficient competition. Similar countries have more dynamic markets with an adequate number of bidders on each contract, the argument goes. However,...