Adds cardinal_directions flag to profiles and disables ref-rewriting by default

profiles/car.lua

@@ -35,6 +35,7 @@ function setup()
     turn_penalty              = 7.5,
     speed_reduction           = 0.8,
     turn_bias                 = 1.075,
+    cardinal_directions       = false,
 
     -- a list of suffixes to suppress in name change instructions. The suffixes also include common substrings of each other
     suffix_list = {
@@ -403,7 +404,9 @@ function process_way(profile, way, result, relations)
 
   WayHandlers.run(profile, way, result, data, handlers, relations)
 
-  Relations.process_way_refs(way, relations, result)
+  if profile.cardinal_directions then
+      Relations.process_way_refs(way, relations, result)
+  end
 end
 
 function process_turn(profile, turn)