diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..404a6c8
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "common/sim/sub/taxi"]
+	path = common/sim/sub/taxi
+	url = https://github.com/fpganinja/taxi.git
diff --git a/common/sim/sub/taxi b/common/sim/sub/taxi
new file mode 160000
index 0000000..2065151
--- /dev/null
+++ b/common/sim/sub/taxi
@@ -0,0 +1 @@
+Subproject commit 2065151c01043224f71804c88120f9e2a1bc8f68