Train Sim World® 6: Southern BR Class 171 & BR Class 377/3 Add-On
Take a trip back to the seaside and hurry along the Coastway with Rivet Games’ Southern BR Class 171 & BR Class 377/3, bringing new traffic and challenges to the historic coastal towns of Brighton and Eastbourne in both diesel and electric traction!
| Type | DLC |
| Release Date | 2/26/2026 |
| Developer | Rivet Games |
| Publisher | Dovetail Games - TSW |
| Last Updated | 3/31/2026 |
| Steam App Id | 3879950 |
- Windows
- Mac
- Linux
About Train Sim World® 6: Southern BR Class 171 & BR Class 377/3 Add-On
Train Sim World® 6: Southern BR Class 171 & BR Class 377/3 Add-On is a Simulation DLC developed by Rivet Games. On 2/26/2026, it was released on the Steam Store by Dovetail Games - TSW. Train Sim World® 6: Southern BR Class 171 & BR Class 377/3 Add-On can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this dlc app.
According to Steam’s category system, Train Sim World® 6: Southern BR Class 171 & BR Class 377/3 Add-On supports the following features:
- Steam Achievements
- Custom Volume Controls
- Single-player
- Playable without Timed Input
- Family Sharing
- Downloadable Content
- Partial Controller Support
- Subtitle Options
- Camera Comfort
Media & Sceenshots
Explore the featured video and screenshots from Train Sim World® 6: Southern BR Class 171 & BR Class 377/3 Add-On featured in the Steam Store.
DLC & Related Apps
Train Sim World® 6: Southern BR Class 171 & BR Class 377/3 Add-On is referenced by 1 other related app in the Steam Store.
| Image | Name | Type | Release Date | Actions |
|---|---|---|---|---|
 | Train Sim World® 6 | Game | 9/30/2025 | View |
Related Bundles
Train Sim World® 6: Southern BR Class 171 & BR Class 377/3 Add-On is included in 1 bundle in the Steam Store.
| Image | Name | Apps | Packages | Price | Actions |
|---|---|---|---|---|---|
 | Train Sim World® 6: East Coastway Remastered Essentials Bundle | 10 | 10 | $89.00 | View |
Related Packages
Train Sim World® 6: Southern BR Class 171 & BR Class 377/3 Add-On is referenced by 1 package in the Steam Store.
| Name | Price | Actions |
|---|---|---|
| Train Sim World® 6: Southern BR Class 171 & BR Class 377/3 Add-On | $16.99 | View |
Supported Languages
Train Sim World® 6: Southern BR Class 171 & BR Class 377/3 Add-On is available in 2 different languages with varying levels of support for the in-game interface, audio, and fully translated subtitles.
| Name | Interface | Audio | Subtitles |
|---|---|---|---|
| English | Yes | Yes | Yes |
| German | Yes | Yes | Yes |