I made an RHD 4 way 2 lanes 6 car intersections. Can you test it? Its advantage over the other intersections is the higher throughput with left only traffic (right only for LHD)
https://pastebin.com/uqCM5CZK

Every 2-way Celtic Cross intersection always had the tracks coming from the North, South, East, and West directions but none existed when the tracks came from the diagonal directions. I made the following and would love your critique: I added the needed signals and threw it on the testbench. About ...

I've been experimenting with my train system recently. Currently I'm looking at the potential pros and cons of *mixing LHD and RHD* together in a single train system. The original idea came from the fact that most intersections have very short/easy turns to one side, while turns to the other side b...

All these areas prevent trains from going in opposite directions. They need to be spaced out

these lights are superfluous, they complicate the ring, but they are useless I agree A pretty useless intersection none the less. Are you sure? I haven't studied the intricacies of roundabouts, but it looks like it could increase throughput in cases such as where two trains come from the left, the ...

sapog wrote:these lights are superfluous, they complicate the ring, but they are useless

I agree
A pretty useless intersection none the less.

The problem to overcome I think would be to make sure trains that started slowing down for the intersection, but the circuit controlled light turned back green would not break the intersection due to that train arriving earlier than expected. Not sure I understand you correctly. The circuit network...

Hey
I made an smaller combinator intersection with around 125 in set 1 and 115 in set 2.
tested with 6 cars, supports 14 cars not tested

RHD 4 way 2 lane
https://pastebin.com/gLxbV1GR

This time it is symmetrical and only with signals that are needed

The problem to overcome I think would be to make sure trains that started slowing down for the intersection, but the circuit controlled light turned back green would not break the intersection due to that train arriving earlier than expected. Not sure I understand you correctly. The circuit network...

I read it. The trains wont keep looping. Please show me how it can work?

vanatteveldt I have some ideas of how to do it dynamically, but I won't try it today. Regarding the intersection. While that would increase throughput, it would increase throughput at a point that isn't a bottleneck. The current bottleneck is the merger, not all the part intersections. It would also...

Vanatteveldt Yeah, I see. One of the problem when you let a batch of train pass before the next lane starts is that trains would enter the intersection at different speeds. You would have to make it compatible with the highest and lowest speed. Both for trains incomming in the waiting lane and in th...

Mrvn Neat. How would it work with multiple trains? What if it isnt a loop and there is just a lane along the mainlane and it has many entry points. If it can enter it enters the main lane if it is full it drives to the next one, ideally so that it would use a bit more time to get there than the trai...

... There are no chain signals at all, every rail crossing is done with combinator logic. ... This one is a couple km above my head. However, would it be possible to design a simple 4-way intersection with timed signals and some room before/after the intersection to make sure crossing always happen...

I disagree with your point on deadlock ratings. It's important that common intersection designs that aren't optimal are listed in the OP. That's the only way people are going to be able to see why roundabouts or some other insection isn't an ideal solution for a train network. Good point :) Do we n...

Aaargha I really like the new map! Great job! Regarding deadlock rating I don't really understand why it has all these categories. As all the none A intersection are basically wrongly made and should be fixed. All the intersection that players would pick from your post are in category A. I think onl...

Just wondering, This Thread and the one about 3-Way intersections is great! But do we have a similar thread about 2+ line-exchanger? So if a train line a mining outpost and take the 1st lane, he could switch to the 2nd or 3rd lane along the way? You got this one that tallinu made: https://forums.fa...

Hey BHaklauyt I'd love to tell you how it works=) I made a reddit post to explain almost everything https://www.reddit.com/r/factorio/comments/7pb0if/how_to_make_an_intersection_with_combinatory/ Here is a blueprint book you can use to make your own. Including an intersection to learn from https://p...

What if I make it less breakable, symetrical and cut signals where ever I can. Can it make the list then? I also have an idea to get it over 500 trains/min

I made it for this forum subtopic specific so that it won't make the list saddens me. If they don't get added I see no reason to make smaller versions.