so, I wanted to make a something that tracked Rodalies' trains punctuality
first issue: the trains don't have a train number, so it's difficult if one train is the one from before that is running late, the one from a bit later that is running early, or if they just removed a train and messes the whole timetable for the day
two approaches:
- just query ADIF's data every N minutes and save the results, graph that so it can be compared to what it should look like
- query ADIF's data just at the time a train should be arriving at the station (or maybe a minute before), and just save how long until a train to that destination arrives
I feel like this last one would be the way to go