Tadami Line - Q & A

Discussion in 'Official Stream Q&As' started by dtg_jan, Jul 23, 2026.

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  1. dtg_jan

    dtg_jan Community Manager Staff Member

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    Hello folks,

    Monday, July 27th at 6 pm UTC, we will preview the upcoming Tadami Line route Add-On.

    If you have any questions, please post them here. We will gather your questions beforehand, but please understand that we might not be able to answer all of them.

    To make things run smoothly, please use this thread for questions related to the new route only.

    After the preview stream, we will timestamp the VOD on YouTube, post a summary of the questions and answers, and close the thread, as it will have served its purpose by then.

    Looking forward to seeing you in chat!

    All the best,
    Jan
     
    Last edited: Jul 27, 2026
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  2. OldVern

    OldVern Well-Known Member

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    Why has this route taken so long to develop?

    Have you kept pace with changes from the start of development to current TSW version?

    As an owner of the TSC version, I was not entirely happy with the quality of that product. The scenery was nice but the train in particular cabs was low resolution. The sounds and physics were quite poor and some of the scenarios couldn't be completed due to issues with stopping locations (none of which was ever fixed). Has this been thoroughly addressed for the TSW version?

    All that dense foliage and scenery inevitably brings concerns about performance, particularly on consoles or lower spec PC's. What optimisation has been done to ensure this is not an issue?

    As this is the developer's first foray into TSW, can DTG confirm if special attention has been given to oversight and the QA processes given the state several recent releases have shipped in?

    Will the inevitable patches and fixes this route will need, be offered for TSW6 users as well as for TSW7 (or whatever we get in September) for those who choose not to upgrade, or will it be cut off?
     
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  3. OldVern

    OldVern Well-Known Member

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    A bit quiet in here, so a few more from me.

    How easy will this route be for non Japanese speakers to understand and play, given very few people outside Japan can read Kanji which will be on all the controls and gauges? Can we expect full English localisation?

    Can we run with ATS switched off?

    Given the oops with the bridge plates on TVB, can DTG and the developer confirm every effort has been made to redact real world telephone numbers, particularly anything safety critical or confidential to the railway industry?

    Why this route and not something more well known, one of the routes from Densha De Go, BVE or one of the Ongakukan “drive the video clip” titles (which are very good but take up inordinate amount of HD space and frustratingly limited)?

    Has this route been done with approval and licensing from JR or is that only offered to Taito and Ongakukan (plus Kuju/MS in the past)?

    What are your plans for TSW going forward? Could we see something like the superb Yamanote Line, Osaka Loop Line or Joetsu Shinkansen/Borders as a future route? As a huge fan and supporter of Densha de Go and BVE (especially the work of Mr Goku with the Iida Line and the two inter urban tram routes) back in the day, I would love to see more Japanese content.
     
    Last edited: Jul 24, 2026
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  4. orb

    orb Well-Known Member

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    Why are all screenshots and the coming soon video showing passengers either out of focus / blurry or standing back to the camera or being far away? Are they still being worked on? If so, will they be ready for the route preview or the release?
     
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  5. pedro#1852

    pedro#1852 Well-Known Member

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    I don't think the use of ATS is mandatory on the part of the licensor, the only cases of mandatory safety systems we've had to date were in LIRR extended and NY-stamford
     
    Last edited: Jul 24, 2026
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  6. OldVern

    OldVern Well-Known Member

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    I was asking because in all the other Japanese sims I've played, it is. Even the new Running Train.
     
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  7. pedro#1852

    pedro#1852 Well-Known Member

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    but if that were the case, they would have made it explicit in the launch article (I think)
    and there's also the fact that the Kiha 40 has already been retired
     
  8. OldVern

    OldVern Well-Known Member

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    With respect Pedro, the question is specifically aimed at DTG and UW. Could be they simply haven’t mentioned it. One of the slightly annoying aspects of Japanese train driving is the ATS bell sounding constantly once you pass the approach signal and come to a stand in the platform.
     
  9. eMAyTeeTee

    eMAyTeeTee Well-Known Member

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    Will this route have a mastery? Since Thames Branches doesn't have one
     
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  10. ToffeeKat

    ToffeeKat Well-Known Member

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    Why does the paintwork on the trains look so matt and cartoon-like, there appears to be no shine and reflection?
     
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  11. Thorman

    Thorman Active Member

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    Has the route been tested on console?
     
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  12. jesper2805

    jesper2805 Well-Known Member

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    • Helpful Helpful x 2
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  13. Agent Qracle RUS

    Agent Qracle RUS Well-Known Member

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    Developers will complete the remaining line Tadami do to Koide Station?
     
  14. EchoKilo

    EchoKilo Active Member

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    Not completely retired. Kiha 40 is no longer used for regular passenger services by JR East and JR Hokkaido, but it's still being used for sightseeing and special excursion trains. There are also some non-JR companies who still use it in Japan, and some ex-JR ones have been exported to Thailand as well.
     
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  15. OldVern

    OldVern Well-Known Member

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    I have seen comments elsewhere that, based on the evidence from the preview streams, the distant scenery is quite poor with low quality 2D tree blocks poorly matched at the edges, more like Run 8 than what we would expect in TSW. Please say it isn’t so?
     
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  16. alphastar#4832

    alphastar#4832 Active Member

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    +1 yeah I have the same question its like the outer body surface of the Kiha 40 has a brushed metal finish with paint on top of it ...
     
  17. ToffeeKat

    ToffeeKat Well-Known Member

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    Given the sheer amount of trees one would assume making them all 3D would kill performance. Hopefully they are blended so they are functionally not really noticeable.

    tad1.jpg
     
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  18. ToffeeKat

    ToffeeKat Well-Known Member

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    It's a shame that some of the scenery doesn't really hit the mark, farmers fields randomly end underneath grass terrain paint? was that the best solution, right next to the track?

    tad2.jpg
     
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  19. OldVern

    OldVern Well-Known Member

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    In principle I don’t disagree but it has to be done very carefully. Flagged as something to look out for during the stream, then.
     
  20. ToffeeKat

    ToffeeKat Well-Known Member

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    Some of the LOD settings do appear to need tweaking, not sure why in 2026 we are seeing routes with near distant scenery that's not drawn in. Given this route was started probably 4 years ago it seems we might end up with some outdated standards.

    tad3.jpg
     
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  21. stujoy

    stujoy Well-Known Member

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    Guys, this is the Q&A thread and not the discussion thread.
     
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  22. OldVern

    OldVern Well-Known Member

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    To be honest I haven’t seen much that is discussion. Most of the posts above, mine own included, are asking questions or raising valid concerns even if not suffixed with a question mark!

    So in light of the pictures a couple of posts above, another question for UW and DTG can you put your hands on heart and honestly declare you feel this route is in a decent enough state to release for a £30 price tag?
     
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  23. ToffeeKat

    ToffeeKat Well-Known Member

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    Question: why is the scenery / terrain so empty in parts?
    Didn't we learn from the excellent work from JT and AABS that lineside clutter, vegetation and cab view detail was important?

    www.png

    waka.png
     
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  24. OldVern

    OldVern Well-Known Member

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    A post I've seen on your Facebook feed seems to indicate the stream will be just Matt and Harry, no-one from UW joining in. Is this correct and why so? Appreciate the possible language issues but I presume the UW developers have enough knowledge of English and what's being said to join in even if passively?
     
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  25. dtg_jan

    dtg_jan Community Manager Staff Member

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    Hey Vern, I can answer that. We've reached out to Union Workshop regarding the stream, but given the language barrier and large time difference, they're unable to join the stream.
    Having a developer on stream is always good since they have so much insight, but it's never a requirement. Some might not feel comfortable on camera or in front of an audience, or there are other circumstances preventing them from joining, like here.
    We did, however, create this Q&A thread a few days early in an effort to relay your questions to the UW team and give them enough time to answer. Where possible, we will answer the questions from here and the livechat directly.

    All the best,
    Jan
     
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  26. alphastar#4832

    alphastar#4832 Active Member

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    Hey Jan, would you consider answering questions regarding scenery issues / distant foliage / farm land border etc with integrity or would you ignore them ?
     
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  27. OldVern

    OldVern Well-Known Member

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    Thanks Jan, understood.
     
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  28. ToffeeKat

    ToffeeKat Well-Known Member

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    Will the DLC have the latest TSW6 features, or TSW4

    005vR2T1gy1hmqor6rwndj31hc0u0k81.jpg
     
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  29. dtg_jan

    dtg_jan Community Manager Staff Member

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    Hey folks,

    In light of the recent announcement, I will close the Q&A thread for now. As soon as we have a new release date and preview stream scheduled, we'll re-open this thread.

    Thank you.
     
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  30. dtg_jan

    dtg_jan Community Manager Staff Member

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    Good morning folks,

    The thread is now reopened in preparation for tonight's preview.

    All the best,
    Jan
     
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  31. OldVern

    OldVern Well-Known Member

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    The question on everyone’s lips then… Why was this pulled previously? Can we have an assurance the issue(s) have been resolved and the route is up to scratch for a full price release?
     
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  32. alphastar#4832

    alphastar#4832 Active Member

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    Well, I have a few questions :
    1. Is there dynamic suspension on the Kiha 40 ?
    2. What improvements/features have been added in terms of audio like is there passenger ambiance noises in the passenger cabin ?
    3. Are there station announcements and are they in native Japanese language ?
    4. Is there guard mode onboard the Kiha 40 ?
    Thanks and regards .
     
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  33. ToffeeKat

    ToffeeKat Well-Known Member

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    Given that this Route was initially developed under TSW3 standards, can we have assurance that it has been developed to bring all the features that it is now being marketed as... a TSW7 product.

    1: Does the route use the lastest TOD and Graphical Improvements.
    2: Are TSR / Train Faults / Signal Delays in place.
    3: Will safety systems be ON by default.
     
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  34. OldVern

    OldVern Well-Known Member

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    Just thought of another one. The TSC version had the oddity of the player having to switch points manually on sections of line supposedly under control of the signaller/despatcher. Will this still be a thing in the TSW version or will points on the main line under signal control be correctly handled?
     
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  35. cabbepe#2092

    cabbepe#2092 Active Member

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    Hello!
    As it will be a TSW 7 DLC now, will there be train and station announcements?
     
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  36. Trainmania100

    Trainmania100 Well-Known Member

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    Possibly answered already but how frequent is the timetable and will I actually see many other AI trains?
    The tadami line is infrequent just like many other Japanese lines. If the AI services are limited, this route really does need to excel in visual representation of Japan, ideally with seasonal colouring of trees (sakura in spring etc) and obviously the water line problems that were highlighted before.
     
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  37. dtg_jan

    dtg_jan Community Manager Staff Member

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    Good afternoon everyone,

    The VOD for last night's preview stream has been timestamped and I'll add a list of questions and answers shortly. The majority of answers have been provided by Union Workshop and will be shared unchanged.
    I will close this thread now, as it has served its purpose.

    • Can the Automatic Train Stop (ATS) be turned off?
      • Yes
    • Which TSW features, like announcements, guard mode, etc., does this route have?
      • Simple Controls is compatible.
      • Live Weather is compatible.
      • New improved Dynamic Weather is compatible.
      • AI Conductor is compatible.
      • Epic graphic settings and Ehanced Lighting is compatible.
      • Safety Systems On By Default is compatible.
      • Freight Hauler will not be available as this route does not feature freight services in real life.
      • The Kiha40 does not have automatic announcements when operating on the Tadami Line.
      • The train does not have conductors on this line, and operates as a so-called "One Man Train", with the driver checking tickets.
      • The KiHa 40 does not feature suspension physics
      • TSRs and train faults will not be available
    • Will the labels inside the train for controls be localised?
      • The tooltips will be localised; the actual labels inside the cab will not.
    • Why did you decide to make this route specifically?
      • UW: "Firstly, we really liked the route, its scenery, and varied terrain. The landscapes of the Tadami Line read like a beautiful poem, shifting gracefully with the seasons. The Tadami River flows like a winding jade belt, and as the train whistles through the valleys and over iron bridges, its reflection dances on the pristine water. In this natural embrace, time seems to stand still, offering a profound sense of peace and the romantic charm of a life far away from the ordinary. We looked forward to leveraging UE's powerful presentation capabilities to let players truly immerse themselves in these breathtaking landscapes."
      • "Secondly, as our first route in TSW, we need extra time to learn the workflow. Since we previously created the Tadami Line in TSC and are quite familiar with it, choosing this route was a strategic decision to save time on research, modeling, and environmental design. In particular, reusing the Kiha40 model will save us a massive amount of time, allowing us to focus more on implementing TSW-level features. However, most of Kiha40 was subsequently rebuilt; please refer to the answer to the question below for details."
    • How long did the route take to develop, and what were the biggest challenges?
      • UW: "It took about two years from the initial preparation of model resources to the final submission, and challenges came from everywhere during the development. But overall, the biggest challenge was time."
      • "At the modelling level, although we hoped to reuse assets from TSC to shorten development time, we ultimately found that many of them still fell short of TSW's standards. During the research phase, we acquired much more detailed route and rolling stock data, which drove us to revise our old assets. We completely remodeled the entire signaling system to ensure accurate dimensions while making it compatible with TSW's modular setup. We also rebuilt the station models based on Street View and video references, adding fully detailed interiors. The Kiha40 was our biggest undertaking. After reviewing the official documentation, we discovered numerous inaccuracies in the old model, such as features belonging to other Kiha40 sub-series rather than the 500 series, characteristics not specific to the Aizu-Wakamatsu depot, and overall proportion issues. We even restructured the Kiha40's bogies and refined their internal mechanisms. All of this meant that the modeling process took much longer than we had anticipated."
      • "At blueprint level, since this is our first TSW project and our first foray into UE, we’ve essentially been learning on the go with limited documentation. This has undoubtedly been the most mentally taxing part of the entire development process. We built a foundational Japanese signaling system and the ATS-S system entirely from scratch. We also had to learn how to implement various features within Simugraph nodes and vehicle blueprints, as well as how to compile task timetables from the ground up. All of these required setting up test scenarios and repeatedly testing the content and nodes until everything met our standards and expectations. This consumed a massive amount of time, and we were still polishing blueprint bugs right up until the final moments before release."
    • Why was the Add-On delayed?
      • During testing, critical performance issues on certain platforms were found. The route was delayed to make time for further testing and to resolve these performance issues specifically.

    All the best,
    Jan
     
    Last edited: Sep 23, 2026 at 4:55 PM
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