Topic: A comprehensive review and guide for independently planning and taking the Trans-Siberian or Trans-Mongolian Railway.

Review Type: Experiential review focused on logistics, train class comfort, and budgeting for the journey.

Key Takeaway: Traveling on local Russian trains (RZD) is the most authentic, flexible, and budget-friendly way to complete this epic route.

Logistical Insight: Stopping every 1-2 nights is highly recommended to break up the journey, manage fatigue, and explore key cities like Irkutsk and Ulan-Ude.

Essential Tip: Book Kupe (2nd Class) for the best balance of comfort, privacy, and cost, and always carry a supply of instant noodles and tea.