Getting Around Serbia
The Balkans are a region of Europe where public transportation can be difficult to navigate. You'll be fine if you stick to the main routes that connect major cities and destinations. If you go off the usual path, things can get tough. Serbia often feels like a heightened version of this. In Serbia, getting from one city to the next was much easier than in most of the Balkans.
However, there were moments when figuring out transportation was counterintuitive or downright difficult. Serbia offers some excellent internet transportation resources, so you can put your trust in what you find there. Look here for Serbia train schedules and here for Serbia bus schedules.
Finally, as in the rest of the Balkans, hitchhiking and individuals offering rides are extremely popular. It doesn't need to be stated that there are hazards involved in doing something, so trust your gut. This is definitely among the Things to Know before traveling to Serbia.