Location has two functions. Firstly, it marks routing start and stop location and possibly a routing via point. Secondly, from location can be used for nearby stop search.
| State | Description |
|---|---|
| No location | We have no location information set |
| From Location set | User's from location is set |
| To Location set | User's to location is set |
| Route set | Both from and to locations are set |
| Route via point set | Both from and to locations are set and also a route via point |