Advice for bridging gaps where trains seem to derail

S

shaneturner12

Tutorial Creator
Anyone got any ideas of how to get round the following problem? (I'm currently having to use portals, but it means that I cannot travel on the service between the two stops)

The details:

Station 1 is on one part of the map.
Station 2 is across on another (unconnected) part of the map.

I have tried using a bridge (and even a tunnel) but half-way the train seems to either lose carriages, derail, or split where it should not be able to)

As a result I am currently having to use portals, but it is not ideal.

I am using TRS2006 inc SP1 for this route (it's a personal one)

Any ideas are appreciated (if more information is needed, I can provide it)

Shane
 
whitepass said:
You should not be able to have two unconnected base board.
Click to expand...

I think this is possible. When I was merging/deleting boards, I was able to delete a board which left 2 other boards connected to nothing. If you are able to right click on the board you should be able to "jump" to it. As far as solving the problem, can't you just add baseboards between the two?

Mike
 
Unfortunately, the problem still happens if the land is bridged to make it connected. As soon as I can, I will make a video to show what is happening. (Strangely enough, it is only happening in a few specific areas, not the whole layout)

Shane
 
Just a thought if you are doing it in TRS2009 are they both set to the same grid square size? Don't know if it would make a difference?
 
It's actually in TRS2006.

A video showing what's happening (using the minimap mode) is available at http://www.youtube.com/watch?v=q78iyaEbSc0 (be aware, it can only be accessed via this link)

Any help given is appreciated, as it is cropping up in various places in the route and the end result is shown in the video.

Shane
 
Last edited:
I thought that to start with. Just out of interest, do the signals still work correctly if there is a break in the track? The signals were all reporting green (even the signal at the problem area) - there is a track connection there though.

Shane
 
It's possible to create a "bad junction" where you have a tiny piece of track forming a junction which goes vertically down at 90 degrees to the track but has no lever. If that's the case and you set the AI to drive it should tell you "A Junction Is Missing A Lever".
If that happens the best solution is to rip up the track on the affected section and replace it.
 
A update to the problem...

I have replaced the affected bridge/tunnel I used with 2 track as49 (without any junctions/breaks in the track) and the train has now decided to derail on me about quarter of the way along (and yes, the track has had the vertex height tool used to lock it to 0 the whole way) - anyone got any ideas?

Also, any textures I add in the affected area disappear the next time I run it. (and yes, I am running as admin)

Shane
 
Shane,

Clutching at straws, but you could try:

Flattening out the land at level = 0 (or whatever) datum. Might be best to delete the track before, and relay after, doing this.

Have you checked in wireframe to make sure there is not a hidden sabotage squad lurking under the track ?

Chris
 
shaneturner12 said:
A update to the problem...

I have replaced the affected bridge/tunnel I used with 2 track as49 (without any junctions/breaks in the track) and the train has now decided to derail on me about quarter of the way along (and yes, the track has had the vertex height tool used to lock it to 0 the whole way) - anyone got any ideas?

Also, any textures I add in the affected area disappear the next time I run it. (and yes, I am running as admin)

Shane
Click to expand...

Regarding the disappearing textures thing I had a similar problem in TRS2006 where my entire route had all the terrain heights returned to zero and the textures erased except for the first and last baseboards I constructed. The consensus of opinion at the time was that it was caused by overuse of the Undo button, a problem which was cured in TRS2009.
 
OK, as I have said, here is an update...

Unfortunately, the problem has not gone away.

It's gone back to the 'split' problem as shown in the video above -this time, with a straight length of tunnel (Tunnel Darkstone) without any gaps.

Shane

EDIT: Just done another test on it and the behaviour of it is as if the couplers are breaking, but after running it with the Vehicle Physics rule, it's not showing up. Any ideas?
 
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After what you've tried, myself I would rip the lot out and start again (just in that area).
you mentioned merging, height difference betwen the 2 ?
The track will be joined but say 1 metre dip at that point will cause a derail.
 
shaneturner12 said:
....but after running it with the Vehicle Physics rule, it's not showing up.....
Click to expand...

I don't follow what you are saying here Shane. Can you give a little more detail please?

Edit: An afterthought - have you tried the "Smooth Spline" tool on the track? This might give a clue to any changes in levels between the boards. Vertex height (which you have tried before) may be related to board datum height and if this is screwed up ...........

Chris
 
Last edited:
shaneturner12 said:
Unfortunately, the problem has not gone away.
Click to expand...
I note that you don't state wether or not you have checked for lurking track underneath the correct track. That would still show green, and that is what happened for a test track.

If you're not sure, go to a near track spline, and use the height tool to lift the track up a bit, and you may see a bit of lurking track.
Your video only shows the map mode with the train possibly derailing, it doesn't show us what happens to the actual train in the normal driver mode.


Off topic, but isn't their better looking track to use than as49?
For an easy-on-your-machine, their is MP (I think it is) & grey wood and similar names like that that look HEAPS better than that default cartoon-ish built-in track.
 
Last edited:
I did check for rogue tracks, and couldn't see any. I have decided to use portals for a bit until I can find a permanent solution.

Strangely enough, it's happening in various places with various tracks (normal,bridge and tunnel) and the result is always either derailing or similar to what was shown in the video.

Shane
 
Shane,

Try driving the route very slowly yourself. This will show where the breaks are and you can then make note of them and replace the track in those places.

Another thought too... You mentioned merging. Are the breaks happening where the track connects to fixed objects such as portals, stations, and other interactive industries? This was a problem with TRS2006 and I'm not sure about TS2009. When merging, the fixed track objects would disconnect from the splines just enough to create gaps, but not enough to be appearent. The solution is to go into Surveyor and drage the circle where the track connects to the object. If the track pulls away, then this is the problem and you'll have to reconnect the splines to the fixed-track objects.

Good luck.

John
 
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