I'm going to visit Naples soon and want to take Circumvesuviana train in order to get to Herculano and Pompei. So I have a couple of questions answers to which I cannot google. I prefer to ask these questions here instead of figuring out at the place because as far as I know the locals speak poor English so it should be easier to find the information here. So my questions are:
I need to take a train from Napoli Porta Nolano to Herculano Sciavi. Are the tickets there sold for a precise time, like departure at 8 a.m. so I should take exactly this train or I can just buy tickets to Herculano and take this route train departing at any time?
When buying tickets should I buy back tickets as well? Or I can buy back tickets at the Herculano Sciavi station? I guess the answer to this should be yes but I would like to know for sure.