diff --git a/Unreal/CarlaUE4/Plugins/Carla/Source/Carla/Traffic/StopSignComponent.cpp b/Unreal/CarlaUE4/Plugins/Carla/Source/Carla/Traffic/StopSignComponent.cpp
index 64f89cb98..c39ff07d9 100644
--- a/Unreal/CarlaUE4/Plugins/Carla/Source/Carla/Traffic/StopSignComponent.cpp
+++ b/Unreal/CarlaUE4/Plugins/Carla/Source/Carla/Traffic/StopSignComponent.cpp
@@ -40,7 +40,7 @@ void UStopSignComponent::InitializeSign(const carla::road::Map &Map)
 
         // Get 90% of the half size of the width of the lane
         float BoxSize = static_cast<float>(
-            0.9*Map.GetLaneWidth(signal_waypoint)/2.0);
+            0.9*Map.GetLaneWidth(signal_waypoint)*0.5);
         // Get min and max
         double LaneLength = Map.GetLane(signal_waypoint).GetLength();
         double LaneDistance = Map.GetLane(signal_waypoint).GetDistance();
@@ -102,7 +102,7 @@ void UStopSignComponent::InitializeSign(const carla::road::Map &Map)
             auto CurrentWaypoint = Waypoint;
             auto NextWaypoint = CurrentWaypoint;
             float BoxSize = static_cast<float>(
-                0.9*Map.GetLaneWidth(NextWaypoint)/2.0);
+                0.9*Map.GetLaneWidth(NextWaypoint)*0.5);
             float UEBoxSize = 100*BoxSize;
             GenerateCheckBox(Map.ComputeTransform(NextWaypoint), UEBoxSize);
             while (true)
diff --git a/Unreal/CarlaUE4/Plugins/Carla/Source/Carla/Traffic/TrafficLightManager.cpp b/Unreal/CarlaUE4/Plugins/Carla/Source/Carla/Traffic/TrafficLightManager.cpp
index 52077cc03..a2e4d07aa 100644
--- a/Unreal/CarlaUE4/Plugins/Carla/Source/Carla/Traffic/TrafficLightManager.cpp
+++ b/Unreal/CarlaUE4/Plugins/Carla/Source/Carla/Traffic/TrafficLightManager.cpp
@@ -267,7 +267,7 @@ void ATrafficLightManager::SpawnTrafficLights()
             (GetMap()->ComputeTransform(ClosestWaypointToSignal.get()).location - CarlaTransform.location).Length();
         double LaneWidth = GetMap()->GetLaneWidth(ClosestWaypointToSignal.get());
 
-        if(SignalDistanceToRoad < LaneWidth / 2.0)
+        if(SignalDistanceToRoad < LaneWidth * 0.5)
         {
           UE_LOG(LogCarla, Warning,
               TEXT("Traffic light %s overlaps a driving lane. Disabling collision..."),
@@ -330,7 +330,7 @@ void ATrafficLightManager::SpawnSignals()
             (GetMap()->ComputeTransform(ClosestWaypointToSignal.get()).location - CarlaTransform.location).Length();
         double LaneWidth = GetMap()->GetLaneWidth(ClosestWaypointToSignal.get());
 
-        if(SignalDistanceToRoad < LaneWidth / 2.0)
+        if(SignalDistanceToRoad < LaneWidth * 0.5)
         {
           UE_LOG(LogCarla, Warning,
               TEXT("Traffic light %s overlaps a driving lane. Disabling collision..."),
@@ -416,7 +416,7 @@ void ATrafficLightManager::GenerateTriggerBoxesForTrafficLights()
 
             // Get 90% of the half size of the width of the lane
             float BoxSize = static_cast<float>(
-                0.9*GetMap()->GetLaneWidth(waypoint)/2.0);
+                0.9f*GetMap()->GetLaneWidth(waypoint)*0.5);
             // Get min and max
             double LaneLength = GetMap()->GetLane(signal_waypoint).GetLength();
             double LaneDistance = GetMap()->GetLane(signal_waypoint).GetDistance();