... elegant has been brewing in my mind for a while. I'll dump the long train of thoughts here in hopes that it'll entice more focused discussion ... to synchronize playback between multiple surfaces (re: surface and underground) can listen to all changes related to the "master" surface, and call ...

... that is connected to all miners, chest, and so on (no, won't do train station, just add a programable speaker to let you know when a train ... to make this wire invisible (similar to how the train blocks and underground pipe color line works), will be very important since we don't want to ...

... mods.
coloured-tool-icons 0.0.5
AfraidOfTheDark 1.0.31
automatic-underground-pipe-connectors 2.0.11
Better-Beginning 0.4.0
circuit-wire-eraser 1.1.0
NoRespawnGun-SpaceAge 1.18.5
RotateQuickbars 1.2.0
Science_pack_glow 1.0.2
elevated-rails-recolor 1.0.1
vibrant-train-colors 1.2.1
Assembler-Reskin 1 ...

... interest.

With a bit of effort, the RS idea can be adapted to use a train & radar combo. I've already done an iteration that used a tank poorly ... priority. In practice, I just imagine all the gears for a run of 500 underground belts. And I will commit that many belts to ideas like that. In other ...

... frozen machines. (https://forums.factorio.com/129185)
Fixed copying train stop settings would send trains to a train stop in some cases. (https ... https://forums.factorio.com/130826)
Fixed a crash when selecting an underground belt without an underground_sprite.
Fixed issue with selector ...

... and thoes are safe zones.

Due to factorio being about automation, train tracks won't be attack, even if enemy is chasing train or if tracks are ... if someone can create an animation where a demolisher digs from underground until it gets on the surface. And reverse, an empty resouce area ...

... files. (https://forums.factorio.com/116201)
Fixed a crash related to underground belts when super force building. (https://forums.factorio.com/129388 ... com/130066)
Fixed that inventory filters were ignored when in the train fuel GUI. (https://forums.factorio.com/130057)
Fixed loaders could get ...

... alien-biomes-graphics",

"name": "alien-module",

"name": "Armored-train",

"name": "ArmouredBiters",

"name": "bobassembly",

"name ... Schall_BobMachines",

"name": "se-space-trains",

"name": "show-max-underground-distance",

"name": "snouz-big-accumulator",

"name": "snouz-big ...

... a turret to be built. (https://forums.factorio.com/116572)
Smart underground belt building now considers splitter to be an obstacle if there was ... tootips. (https://forums.factorio.com/128464)
Fixed a crash opening the train GUI in spectator controller. (https://forums.factorio.com/117928)
Fixed ...

... 1.jpg

In general the main export products will be transported to my train station until the buffer is full. If the buffer is full, they will be ... yellow belts. The yellow belts and iron plates are turned into yellow underground belts. The yellow underground belts and gears are turned into red ...

... basic steps:
Build a Spaghetti mess that barely does the job
Create a Train "City Block" module that does the same job, but with a bit of Scale ... are many small design tricks that you can learn with time, such as Underground Belt Braiding, long/short inserters, Lane merging & splitting, Power ...

You can actually load up to 24 different goods in a single train car if you use two rows of requester chests on each side and fill the train with ... turret density is much too high. A sufficient spacing is to put an underground pipe at maximum distance between 2 flamethrower turrets. Damage with ...

You can actually load up to 24 different goods in a single train car if you use two rows of requester chests on each side and fill the train with long ... turret density is much too high. A sufficient spacing is to put an underground pipe at maximum distance between 2 flamethrower turrets. Damage with ...

... https://forums.factorio.com/119004)
Fixed locomotive GUI formatting for trains with many fuel slots. (https://forums.factorio.com/104682)
Fixed edit ... for ghosts. (https://forums.factorio.com/127809)
Fixed that building underground belts and underground pipes would not show an error flying text ...

... case for [2.0.42-4]. I encountered this strangeness when building the train-unloading station that I also used in this reply to show the behavior ... seems to matter.

The first part:
It seems that the side of the underground that you insert into matters.
The behavior never appears when loading ...

... the heat pipes. In the end that mostly came down to embracing tons of underground belts. I use bots for handling imported materials, but it doesn't ... you just need the unfreezable fission power and portable roboport.

1 train to fetch lithium brine (railworld preset). It also carries solid fuel ...

... This post is structured in multiple parts:


Blueprint String
Constraints
Operating Principle
Entity Layout
Circuitry
Usage Guide
Prior ... are trivial, as there is enough place on the outside side wagons for underground belts to be routed.

sensible-underground-belts.png

With a bit of ...

... smart belt building over an obstacle when there is perpendicular underground belt in the way.
Fixed a crash when wrapping a rich text image in ... Fixed Schedule interrupts not reading any-signal signal counts sent to train correctly. (https://forums.factorio.com/126480)
Fixed car orientation ...

... it here I will contribute what information I can.

The affected mod is this one . It basically allows you to dig underneath a base, creating an underground surface, so I believe the intent of the restriction is "you can't build elevated rails underground" presumably because the tunnels aren't tall ...

... spend quite a while searching for a good island since I didn't even have trains! Red underground belts weren't enough to connect between islands. After finding a good island, set-up went about as normal, and I was able to make a nice mall for assemblers, arms, splitters, and requester/provider chests ...