Minecraft / Mods

[1.13] [1.12.x] Fully-automatic Minecart Railway Builder Tool (datapack)

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avatar flashteens
Level 51 : Grandmaster Technomancer

UPDATE: The speedometer feature has become another independent data pack, which means that you may use it on your demand in addition to the Railway Builder data pack! Try it out on the new release Minecraft 1.13!

  • Download link for 1.13: CLICK ME
  • Download link for Release 1.12, 1.12.1, or 1.12.2: CLICK ME
  • How to install for 1.13: CLICK ME
  • How to install for 1.12.x: CLICK ME


For those who are adventure map makers for Vanilla Minecraft and need to build a railway system in your maps, here's an awesome tool for you to build and run it without any "mods".

The design of this tool is based on the subway system of my main Minecraft world, and you'll be able to build a similar minecart automatic contraptions using this tool! :)

This tool is currently applicable for Minecraft 1.13 and 1.12.x versions. Please refer to the download links listed above.


  • Automatic minecart launcher command block, where a detector rail is automatically attached above whenever placing the command block. Please put this command block at the stopping position in each station. When a minecart triggers the detector rail, the cart will stops for a few seconds before it is automatically launched for departure.
  • Departure bells before a minecart leaves the station.
  • Automatic minecart removal. When a minecart departs from the launcher command block without any passengers, it will be automatically removed to avoid blocking on the halfway.
  • Minecart direction control, which corrects the direction of minecarts at your desired locations.
  • Minecart dispensers, which generate a minecart where a specific color tile is attached. There are 30 different color tiles available on your choice.
  • [NEW] [1.13 only] Speedometer data pack, showing your current speed on the sidebar, in km/h.

Future Plans

  • ✅ Minecraft 1.13 support.
  • ✅ Fixed the problems when running on a Spigot server.
  • Add support to platform gates and screen doors.
  • Customizable line names.
  • Customizable departure bells.
  • Instant effects that help overcoming the terrains when building railway lines, ex: night vision, tree remover, instant /fill commands.

How to install this tool

Please follow the links as listed above. Since this tool only consists of functions of commands in Vanilla Minecraft, it should be very simple. :)


Q1: Why did you classify this tool as a "mod" instead of a "project"?
A1: I classified this tool as a "mod" in this post for its functionality. By applying this tool in your map, the tool indeed modifies the behaviors of minecarts when stopping at the auto-launcher command block, which requires a function that consists of dozens of commands involving numerous NBT and tag command (1.13) / scoreboard tag (1.12.x) operations.
* For 1.13, this tool is designed as a data pack containing the functions and the tags.

Q2: Could I use this tool in a modded version of Minecraft (ex. Forge, or a plugin server)?
A2: Currently this tool is still under testing. For any related issues whether it works or not, feel free to comment below.

Q3: Is there any source code for this project?
A3: Yes. See on my GitHub page (for 1.12.x and 1.13).

Copyright Issues

This work is licensed under a Creative Commons BY 4.0 License. Feel free to use this tool in your Minecraft world as long as:
  • You credit me as the provider of this tool.

Progress75% complete
Game VersionMinecraft 1.13

6 Update Logs

Snapshot 0.13.19: Now! Try it out on the newly released Minecraft 1.13! : 07/18/2018 10:00:18 pmJul 18th, 2018

  • Moved out the Speedometer feature into an independent data pack.
  • Fixed /playsound issues in response of Minecraft 1.13 updates.

Comments : 13

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1 - 13 of 13

On your map for 1.10 there was a station were 2 lines were using the same track and then split up into 2 directions. did you do that with redstone or how did you do that? (example Bullet Cart X2 Express and Local) and is there also a way to make the trains go the speed of the bullet cart?
or better asked is it possible with the datapack?
  • Kile106
  • Level 1
  • New Crafter
  • October 28, 2018, 7:33 am
I need help! when i put it in the datapacks, it is not in the list! even when i re-enter the world
which list do you mean exactly? There is normally no datapack list. The Datapack adds the Command that gives you a book for the items. Could it be that you mean the texturepack list?
I have a problem with this tool. I placed the cart stopper on my subway system. But, the cart stopper doesn't work properly. When the minecart enters the stopper. The minecart keeps moving and the stopper doesn't have sound and the minecart passes only. Can you please fix this problem?
Does this works in 1.13.1?
  • flashteens
  • Level 51
  • Grandmaster Technomancer
  • September 30, 2018, 1:18 am
Of course. Please download the one which supports 1.13, and you may load it as a 1.13.1 datapack in your map. Hope it helps. 😀
  • flashteens
  • Level 51
  • Grandmaster Technomancer
  • April 4, 2018, 6:29 am
謝謝支持 :-D
  • jchun
  • Level 1
  • New Miner
  • March 31, 2018, 7:15 pm
Hello. Thank you for making a great system, but I have trouble with getting a book on my map. I did follow the instructions you posted on this page but it won't give me any book. it said unknown command try /help for a list of commands. Could you help me with this issue? Thank you and have a wonderful day.
  • flashteens
  • Level 51
  • Grandmaster Technomancer
  • April 1, 2018, 2:29 am
The instructions to install this tool for Minecraft 1.13 snapshots and for Minecraft 1.12 releases are different. Please check if you're using the correct Minecraft version. BTW, thanks for your support! :-D
  • TheJedi7
  • Level 1
  • New Crafter
  • March 21, 2018, 3:12 am
Hey ! This is extremely interesting ! I did not checked out in game but it seems very efficient ! Now if you get the time I would suggest a mode that doesn't break the minecart, it just stop, and continue again. That could work in a 3rd type of platform, which I think could be interesting for automatic subways !
  • flashteens
  • Level 51
  • Grandmaster Technomancer
  • March 21, 2018, 4:39 am
Thanks for your suggestion. :-D

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