Creator here - since 2014, development is being done at geOps where I am currently working at. geOps is also providing the entire infrastructure. We are constantly looking for more static or real time feeds.
We are using the same method as the VBB - interpolated timetable data augmented with station-based delay-information where available.
We are using the same method as the VBB - interpolated timetable data augmented with station-based delay-information where available.