Train Sim World 6: Great Western Express

Train Sim World 6: Great Western Express is a route add-on developed and published by Dovetail Games, released on August 26, 2025, for the PC version of Train Sim World 6. This downloadable content (DLC) is designed to enhance the simulation experience by adding the Great Western Main Line route to the game. The DLC is available for purchase on Steam and is compatible with PlayStation and Xbox versions of Train Sim World 6, following its initial release on PC.

The Great Western Express route spans approximately 36 miles between London Paddington and Reading, featuring the BR Class 43 High-Speed Train (HST) and the BR Class 166 diesel multiple unit (DMU). Players can operate both passenger and freight services, navigating through the scenic countryside and bustling stations along the route. The DLC offers a detailed and immersive simulation, with accurately modeled stations, signals, and mileposts, providing a realistic representation of the British rail network.

Promotion for the Great Western Express DLC emphasized its authentic representation of British rail operations and the picturesque nature of the route. Dovetail Games highlighted the detailed modeling of the BR Class 43 and BR Class 166 locomotives, as well as the immersive environments along the route. Marketing materials showcased the dynamic and fast-paced nature of the services, appealing to players seeking a realistic and engaging simulation experience. The DLC was positioned as a valuable addition for fans of British railways and those interested in experiencing the complexities of regional and high-speed rail operations.

Reception of the Great Western Express DLC has been generally positive. Players have praised the scenic beauty and dynamic nature of the route, noting the satisfaction of navigating through the busy urban corridors and picturesque landscapes. The inclusion of the BR Class 43 and BR Class 166 locomotives has been well-received, with many appreciating the variety of services available. However, some players have reported minor issues, such as performance optimization concerns and occasional graphical glitches. Despite these minor drawbacks, the DLC is considered a valuable addition for those seeking a more dynamic and immersive experience in Train Sim World 6.