Trains in the United Kingdom are widely used and form a major part of the transport system, but their reliability can be mixed, which is important for expats to understand. For expats, trains are generally convenient for commuting and long-distance travel, with good coverage between cities and towns. Expats in the UK often find trains comfortable and frequent, especially on popular routes. However, delays, cancellations, and strikes do occur, particularly during peak times, bad weather, or periods of industrial action. Expats in the UK should be aware that rail travel can also be expensive without advance booking or discount railcards. Despite these issues, many expats rely on trains daily and find them dependable enough for work and travel planning. Using journey-planning apps, travelling outside peak hours, and allowing extra time can help expats manage disruptions. Overall, while not perfect, the rail system is an essential and practical option for expats living in the UK.