Rail Photocard

Also, how early should I travel by train to ensure that I get a seat?

Hello every position held will sell you the correct picture card. like a seat depending on whether you can reserve a front seat with Virgin or Transpennine As for non-bookable seats it is a case of first come, first served. In fact, it may be desirable to travel later in the day (peak) to have a better chance of a seat.

Most stations sell them. All you have to do is hand in a passport photo and a photo of yourself

You should be able to get a card from any major station. If you want to ensure a seat, you can pre-book. Otherwise, it depends where you go whether you have a seat.