I have also found it a good idea to let people know that you are there. By that I mean it is easy to check into a hotel and not to talk to anyone. But if you talk to a few of the employees, they remember you. Talk to one of the conductors on the train and all of a sudden they are helpful about transfering, where to go that is safe, and while on board, they keep an eye on you. The more people you make a person connection with the more eyes that are aware of you, the safer you will be.