diff --git a/ScenarioRunner/route_scenario.py b/ScenarioRunner/route_scenario.py
index e427da5..021f46a 100644
--- a/ScenarioRunner/route_scenario.py
+++ b/ScenarioRunner/route_scenario.py
@@ -290,7 +290,11 @@ def _get_valid_sign_transform(self, wp_transform):
             return None
         # find the first non-road waypoint so our drivers can read it (with a limit)
         max_tries: int = 100
-        while max_tries > 0 and _wp.lane_type not in [carla.LaneType.Sidewalk, carla.LaneType.Shoulder]:
+        valid_sign_lanes = [
+            carla.LaneType.Sidewalk,
+            # carla.LaneType.Shoulder, # disable shoulder
+        ]
+        while max_tries > 0 and _wp.lane_type not in valid_sign_lanes:
             max_tries -= 1
             right_wp = _wp.get_right_lane()
             if right_wp is not None: