However , new requirements changed increased the costs from 910 to 1,370 million Norwegian krone .
The project was originally planned to be self - financed as a toll road , without receiving other state grants than the subsidies which would otherwise have been given to the ferry .
New requirements changed increased the costs from 910 to 1,370 million Norwegian krone .
The project was originally planned to be self - financed as a toll road , without receiving other state grants than the subsidies which would otherwise have been given to the ferry .