diff --git a/.gitmodules b/.gitmodules
index 9ca59cf..04a3010 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -175,3 +175,6 @@
 [submodule "dlxtrains_modpack"]
 	path = dlxtrains_modpack
 	url = https://github.com/Marnack/dlxtrains_modpack
+[submodule "advtrains_construction_train"]
+	path = advtrains_construction_train
+	url = https://git.bananach.space/advtrains_construction_train.git/
diff --git a/advtrains_construction_train b/advtrains_construction_train
new file mode 160000
index 0000000..2b27b8d
--- /dev/null
+++ b/advtrains_construction_train
@@ -0,0 +1 @@
+Subproject commit 2b27b8d8f1a629ff10f295cb8432225a3a9a943b