Game Update Train Sim World 6 Update Notes - April 16th 2026

Alongside the release of the HST Farewell Tour from Grump Dog Games, we also have a range of supporting improvements for a few UK-based add-ons, primarily for the Great Western Express Remastered, and including the Riviera Line, East Coastway Remastered and Diesel Legends of the Great Western Add-ons. See our full list of changes below.

Please allow up to 24 hours for the patch to arrive on your system. Some systems may update in standby mode without your notice.

Full Changelog
Great Western Express Remastered

• Prevented rail‑singing from triggering when the player is standing next to the consist. 
• Ensures consistent behaviour across all rail vehicles that use rail‑singing 
• Fixed an issue causing passengers to walk across the tracks between Paddington platforms 9 & 10 
• Fixed passenger navigation on bridges at Hayes & Harlington and Ealing Broadway
• Adjusted speed of aggregate unloaders, allowing the ‘Aggregate Industries’ scenario to be completed
• Corrected incorrect speed signs at the entrance to North Pole Depot
• Fixed areas of snow incorrectly appearing at West Drayton
• Various optimisations to distant lighting

Services & Scenarios

• Fixes to ensure services 1P26 and 1P41 are now drivable
• Fixes to ensure ‘Drag Line’ and the Class 66 Introductions now function correctly. 
• Fixes to Class 66 scenarios where headlight instructions displayed incorrectly, and brakes failed to auto cut-in
• Fixed pathing issues causing SPADs, affecting multiple services, including preventing freight services
• Fixed a passenger sitting in front of the player in the ‘Down the Line’ scenario
• Fixed various issues with the substitution for the Class 166
• Minor changes to reduce memory usage

GWR HST

• Added lighting to the AWS sunflower
• Fixed guard panel visibility at night
• Fixed custom liveries appearing fully white in snowy conditions
• Fixed custom liveries appearing transparent at times
• Improved suspension stability, especially on Xbox One / PS4
• Tweaked internal running noise, for greater difference between minimum and maximum bleed‑in
• Increased external sound bleed when doors are open
• Increased audibility of MK3 coach low‑speed squeaks
• Implemented rail‑singing optimisation to prevent duplicate sound spawning
• Fixed missing AWS isolation fuse click
• Fixed missing VHID audio references so all cab sounds play correctly

GWR Class 166

• Corrected wiper direction
• Added lighting to the AWS sunflower
• Updated Passenger Door Interlock indicator logic - Light now illuminates when doors are interlocked, not when unlocked
• Fixed cab emissive lighting not updating when changing headlights in one cab

DBS Class 66 

• Added missing AWS isolation fuse click audio
• Implemented rail‑singing optimisation to prevent duplicate sound spawning
• Corrected overly bright cab emissive materials
• Fixed mismatched numbering on the DBS livery

East Coastway Remastered Class 313

• Removed incorrect or unused entries appearing in the Formation Spawn menu. 

ECW Class 171

• Various localisation improvements

Riviera Line 

• Corrected Action Point scoring in the ‘From Beaches to Banks’ scenario.

Diesel Legends of the Great Western

• Optimised rail‑singing audio across the BR Class 101 and BR Mk2 coaches