during the trial in traffic volumes within the controlled area fell by approximately while public transit ridership increased by some to pike the initial public view of the system had been negative with a disapproval rate of but following the trial period this had changed to taking a positive view this shift took place in a context where the area involved was extensive some square kilometres and where a modest charge could nevertheless add up significantly vehicles entering at one of charging pints would pay up to swedish krona sek roughly usd with a daily maximum of sek and daily passes available