I am trying to set parameters for a RouteTask using the ArcGIS Online routing service and I am unable to find any way to ignore one-way streets. I would have thought that setting the impedanceAttribute or travel mode to walk time should then ignore one-way streets, however that does not appear to be the case. It does not make sense that walk mode would have to follow a one-way street restriction. Using Google maps, for example, you get the expected output if you choose walk mode for the directions.
I know if you are building your own network analysis service from scratch you can set a rule to ignore one-way streets, but I will not be doing that and hosting my own service.
Any ideas if this can be done or if it will be added in the future?