The **BritRail South West Pass** is designed for travel in the South West of England, including destinations like Cornwall, Devon, Dorset, and parts of South Wales, such as Newport, Cardiff, and Swansea. The **BritRail England Pass** covers all of England, providing broader access beyond just the South West.

No, the **BritRail Pass** does not include travel on the London Underground (Tube). For Tube travel, you will need a **Visitor Oyster Card** or separate tickets.

Your choice depends on your travel plans. If you’re focused on exploring the Southwest of England and parts of South Wales, the **Brit Rail Southwest Pass** is the ideal option. If you plan to travel throughout England, the **Brit Rail England Pass** would be a better fit. For unlimited travel across England, Scotland, and Wales, the **Brit Rail GB Pass** is the best choice.

Yes, the **BritRail GB M-Pass** is valid for travel on the **Heathrow Express**, **Stansted Express**, and **Gatwick Express** airport transfers by rail. Note that this will count as one of your travel days.