diff --git a/actionpack/lib/action_dispatch/routing/url_for.rb b/actionpack/lib/action_dispatch/routing/url_for.rb
index fa345dccdf519765451764b012b1faa3d029756d..922e776da9579bb0f062fc16dc956024709e5941 100644
--- a/actionpack/lib/action_dispatch/routing/url_for.rb
+++ b/actionpack/lib/action_dispatch/routing/url_for.rb
@@ -191,7 +191,19 @@ def full_url_for(options = nil) # :nodoc:
         end
       end
 
-      def route_for(name, *args) # :nodoc:
+      # Allows calling direct or regular named route.
+      #
+      #   resources :buckets
+      #
+      #   direct :recordable do |recording|
+      #     route_for(:bucket, recording.bucket)
+      #   end
+      #
+      #   direct :threadable do |threadable|
+      #     route_for(:recordable, threadable.parent)
+      #   end
+      #
+      def route_for(name, *args)
         public_send(:"#{name}_url", *args)
       end