Through service and transfers

You can run your trains onto other players' or companies' track. You can also transfer track or trainsets to another owner name.

Tap another player's or company's station or track → “Request through service”.
Once the owner approves it in ≡ → “🔀 Through service”, you can add the owner's stations to your routes.

The track usage fee is charged per train, per km (1,000 X by default). Every hour, the route owner pays it to the track owner.
Fares go to the route owner.
If the owner ends through service, routes that use that track or those stations can no longer run.
You can also apply for State stations and track. Through service with the State has no track usage fee.

On the track screen, use “🤝 Transfer” and enter the recipient (ID) and a price to make an offer. The stations and depots on the track are transferred with it.
The recipient accepts it in ≡ → “🛤 Track transfers”. The receiving owner name needs a railway license for that prefecture.
Depots with vehicles in them can't be transferred. Other routes that run on that track get through-service permission.
For a trainset, make an offer with “Hand over” on the trainset. The recipient chooses a depot in ≡ → “Trainset handovers” and accepts it.