diff --git a/launch/sample_signals.launch b/launch/sample_signals.launch
index b396cc49f5da6752f0ff6e07eb8b1a55bd94ce2a..185760041849f69247110d1f518ed8c602f556f6 100644
--- a/launch/sample_signals.launch
+++ b/launch/sample_signals.launch
@@ -6,7 +6,7 @@
   <include file="$(find iri_sign_description)/launch/spawn_sign.launch">
     <arg name="name"  value="pedestrian_crossing_1001"/>
     <arg name="model"  value="sign"/>
-    <arg name="tag"  value="alvar6"/>
+    <arg name="tag"  value="alvar0"/>
     <arg name="type"  value="pedestrian_crossing"/>
     <arg name="x"  value="1.25"/>
     <arg name="y"  value="-0.625"/>
@@ -17,7 +17,7 @@
   <include file="$(find iri_sign_description)/launch/spawn_sign.launch">
     <arg name="name"  value="pedestrian_crossing_1002"/>
     <arg name="model"  value="sign"/>
-    <arg name="tag"  value="alvar6"/>
+    <arg name="tag"  value="alvar0"/>
     <arg name="type"  value="pedestrian_crossing"/>
     <arg name="x"  value="1.875"/>
     <arg name="y"  value="0.625"/>
@@ -28,7 +28,7 @@
   <include file="$(find iri_sign_description)/launch/spawn_sign.launch">
     <arg name="name"  value="max_50_1031"/>
     <arg name="model"  value="sign"/>
-    <arg name="tag"  value="alvar13"/>
+    <arg name="tag"  value="alvar0"/>
     <arg name="type"  value="max_50"/>
     <arg name="x"  value="10.625"/>
     <arg name="y"  value="1.875"/>
@@ -39,7 +39,7 @@
   <include file="$(find iri_sign_description)/launch/spawn_sign.launch">
     <arg name="name"  value="max_50_1032"/>
     <arg name="model"  value="sign"/>
-    <arg name="tag"  value="alvar13"/>
+    <arg name="tag"  value="alvar0"/>
     <arg name="type"  value="max_50"/>
     <arg name="x"  value="9.375"/>
     <arg name="y"  value="8.125"/>
@@ -50,7 +50,7 @@
   <include file="$(find iri_sign_description)/launch/spawn_sign.launch">
     <arg name="name"  value="parking_1033"/>
     <arg name="model"  value="sign"/>
-    <arg name="tag"  value="alvar2"/>
+    <arg name="tag"  value="alvar0"/>
     <arg name="type"  value="parking"/>
     <arg name="x"  value="9.375"/>
     <arg name="y"  value="6.25"/>
@@ -61,7 +61,7 @@
   <include file="$(find iri_sign_description)/launch/spawn_sign.launch">
     <arg name="name"  value="max_50_1081"/>
     <arg name="model"  value="sign"/>
-    <arg name="tag"  value="alvar13"/>
+    <arg name="tag"  value="alvar0"/>
     <arg name="type"  value="max_50"/>
     <arg name="x"  value="-1.875"/>
     <arg name="y"  value="8.125"/>
@@ -72,7 +72,7 @@
   <include file="$(find iri_sign_description)/launch/spawn_sign.launch">
     <arg name="name"  value="max_50_1082"/>
     <arg name="model"  value="sign"/>
-    <arg name="tag"  value="alvar13"/>
+    <arg name="tag"  value="alvar0"/>
     <arg name="type"  value="max_50"/>
     <arg name="x"  value="-0.625"/>
     <arg name="y"  value="1.875"/>
@@ -83,7 +83,7 @@
   <include file="$(find iri_sign_description)/launch/spawn_sign.launch">
     <arg name="name"  value="parking_1101"/>
     <arg name="model"  value="sign"/>
-    <arg name="tag"  value="alvar2"/>
+    <arg name="tag"  value="alvar0"/>
     <arg name="type"  value="parking"/>
     <arg name="x"  value="5"/>
     <arg name="y"  value="5.25"/>
@@ -94,7 +94,7 @@
   <include file="$(find iri_sign_description)/launch/spawn_sign.launch">
     <arg name="name"  value="giveway_1102"/>
     <arg name="model"  value="sign"/>
-    <arg name="tag"  value="alvar5"/>
+    <arg name="tag"  value="alvar0"/>
     <arg name="type"  value="giveway"/>
     <arg name="x"  value="5"/>
     <arg name="y"  value="8.75"/>
@@ -105,7 +105,7 @@
   <include file="$(find iri_sign_description)/launch/spawn_sign.launch">
     <arg name="name"  value="giveway_1103"/>
     <arg name="model"  value="sign"/>
-    <arg name="tag"  value="alvar5"/>
+    <arg name="tag"  value="alvar0"/>
     <arg name="type"  value="giveway"/>
     <arg name="x"  value="3.75"/>
     <arg name="y"  value="1.25"/>
@@ -116,7 +116,7 @@
   <include file="$(find iri_sign_description)/launch/spawn_sign.launch">
     <arg name="name"  value="max_50_1104"/>
     <arg name="model"  value="sign"/>
-    <arg name="tag"  value="alvar13"/>
+    <arg name="tag"  value="alvar0"/>
     <arg name="type"  value="max_50"/>
     <arg name="x"  value="5"/>
     <arg name="y"  value="1.875"/>
@@ -127,7 +127,7 @@
   <include file="$(find iri_sign_description)/launch/spawn_sign.launch">
     <arg name="name"  value="max_50_1105"/>
     <arg name="model"  value="sign"/>
-    <arg name="tag"  value="alvar13"/>
+    <arg name="tag"  value="alvar0"/>
     <arg name="type"  value="max_50"/>
     <arg name="x"  value="3.75"/>
     <arg name="y"  value="8.125"/>