The already classic design for a LL station, it appeared it many of our games already. Figure F: 2-line station, diagonal design The only further improvements we can do is more expandability, and finding designs for a lot more throughput – like for secondary industries. We improved the throughput again and either of these stations should work even for 2295 primary (I think). Figures D and E: Getting rid of X by waiting bays or roro station It is often useful to prevent this from happening, so the overflow works under any circumstances, providing even more safety.
In such case trains will not be able to enter the overflow and just continue the jam. For example if your SL exit jams, and your trains block the exit. We can break this issue with 2 solutions, either we simply turn the station into ro-ro (then we do not even need C6), or we just make the station later with turning the current platforms into waiting bays, and place platforms afterwards.Īlso – I have not mentioned it earlier, but – the X makes the overflow station break in case the exit jams up. This station already works fairly well but when throughput increases, the „X“ of the terminus itself becomes a bottleneck sooner or later. C6: EVERY terminus station with overflow MUST have lost train escape path. C3: There must ALWAYS with no exceptions be waiting bay(s) behind the depot.
#OPENTTD RORO STATION FREE#
Most key points are: C1: The combo-signalled reverser is a technique by which we do not detect the reverser as a free platform in case it is empty, but we do allow the station to have entry signal and wait for the reverser to clear in case there is a train at the moment. Now we have a solid overflow station with separate depot and reverser. Another thing which can be elsewhere than in the main X is the reverser. So we can just put it in a separate place. The thing that slows the most is the depot, especially with longer trains. While this already tries to reduce the stress on the incoming line, the total low throughput remains. However if we fix those things, we obviously do get a proper overflow, but have to sacficice some space to do that, which can not always be the most convenient thing to do. The design lacks two main things, first one is a prio for incoming line, that entering trains can be blocked by exiting in case of terminus station, and obviously a slow depot. (only in cases you really need to keep yourself 100% sure that you will not get a backlog of trains just because of too many trains waiting for cargo or in case you use conditional orders) While this thing has quite a few flaws and is severely slow, it is usually enough for primaries if you need the overflow for them. That basically meant that every overflow requires having a reverser, which basically eliminated many of the compact, super simple designs, and the design above started to dominate as it is trivial to copy. Once upon a time, the norm of overflows has gotten a new addition – that every depot should be hidden for the pathfinder. r24349, newbridges from the GRF pack, and NUTS 0.2.1 from online content.ĭownload Savegame Example overflows Figure A: The basic 2-platform overflow Attached savegameĪs always, I add a savegame along with overflow article. Most overflows will not work without setting yapf.rail_firstred_twoway_eol = 1įor more info see relevant wiki page. I also did not mark the images with colours etc as much as I did previously, simply because recoznizing these should already be piece of cake if you want this article to be anyhow useful for you.
Therefore I strongly recommend to read ABR04: Overflows and ABR08: Overflows II before reading this one. I will of course not repeat many things, especially roles of each component in overflow stations. The new most notable features I will present is the combo-signalled reverser and techniques of high throughput overflow stations. The article is not sorted chronologically, I am just going to describe a few concepts of designs, and sort them by complexity or just by how I think it is practical to build such an overflow. Also you will be able to read about some less overflow related things, but vital for general building.
#OPENTTD RORO STATION SERIES#
Let me introduce you to the third part of the Overflow series of ABR, in this article I aim to note the most interesting innovations to overflow construction which are not described in the previous articles.
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