Where can I get data on public transport movements?

Question

Data request

I have already spent several hours trying to find the address of the bus movement API, and all to no avail. Either I'm asking the wrong question, or I don't understand where to look. I want to make an educational craft, such as Yandex transport. Tell me who knows, give links to public APIs?

Answer 1

So there is no such data publicly anywhere. After someone releases such a craft to the market that drags data from some busXX.ru, they immediately ban him there.