McDonalds: Train Timetable
Einstein taught us that time is relative. And since it can not always be measured similarly, the McDonald's there the Warsaw offers us an interesting way to do this calculation: food. Or rather, the amount of food that you can enjoy before your train leave.
A nice idea of how to use a medium with relevance and still provide a service - albeit for their own benefit - for passengers. In the calculation, hamburgers, potatoes and soft drinks, the panel also warns potential delays and changes.
Simple and nice.