diff --git a/layouts/shortcodes/railroad.html b/layouts/shortcodes/railroad.html
new file mode 100644
index 0000000..78b1ec7
--- /dev/null
+++ b/layouts/shortcodes/railroad.html
@@ -0,0 +1,5 @@
+{{- $id := .Get "id" -}}
+<figure class="railroad-diagram"
+  {{- with $id }} id="{{ . }}"{{ end -}}
+></figure>
+{{ .Inner }}