How do I book train tickets online?

What is the difference between first class and second class tickets?

How early should I arrive at the train station before departure?

Can I bring luggage on the train, and what are the size limits?

train

What is the process for reserving a sleeper or couchette on overnight trains?

Do I need to validate my train ticket, and how do I do it?

What is a Eurail Pass, and how does it work?

Are there discounts available for students, seniors, or children?

Can I bring my bicycle on the train, and is there a fee?

What is the policy for bringing pets on trains?

How do I find train schedules and routes for my journey?

What are the options for dining and refreshments on trains?

Is Wi-Fi available on trains, and is it free?

What should I do if I miss my train or have a connection delay?