diff --git a/brouter-core/src/main/java/btools/router/ProfileCache.java b/brouter-core/src/main/java/btools/router/ProfileCache.java
index 34c71a3..1a71d4b 100644
--- a/brouter-core/src/main/java/btools/router/ProfileCache.java
+++ b/brouter-core/src/main/java/btools/router/ProfileCache.java
@@ -75,6 +75,11 @@ public final class ProfileCache
       rc.expctxWay.parseFile( profileFile, "global" );
       rc.expctxNode.parseFile( profileFile, "global" );
       
+      if ( rc.processUnusedTags )
+      {
+        rc.expctxWay.setAllTagsUsed();
+      }
+
       lastProfileTimestamp = profileFile.lastModified();
       lastLookupTimestamp = lookupFile.lastModified();
       lastProfileFile = profileFile;
diff --git a/brouter-core/src/main/java/btools/router/RoutingContext.java b/brouter-core/src/main/java/btools/router/RoutingContext.java
index 0195209..815afe0 100644
--- a/brouter-core/src/main/java/btools/router/RoutingContext.java
+++ b/brouter-core/src/main/java/btools/router/RoutingContext.java
@@ -54,6 +54,7 @@ public final class RoutingContext
   public boolean carMode;
   public boolean bikeMode;
   public boolean considerTurnRestrictions;
+  public boolean processUnusedTags;
   public boolean forceSecondaryData;
   public double pass1coefficient;
   public double pass2coefficient;
@@ -84,6 +85,9 @@ public final class RoutingContext
     // turn-restrictions used per default for car profiles
     considerTurnRestrictions = 0.f != expctxGlobal.getVariableValue( "considerTurnRestrictions", carMode ? 1.f : 0.f );
 
+    // process tags not used in the profile (to have them in the data-tab)
+    processUnusedTags = 0.f != expctxGlobal.getVariableValue( "processUnusedTags", 0.f );
+
     forceSecondaryData = 0.f != expctxGlobal.getVariableValue( "forceSecondaryData", 0.f );
     pass1coefficient = expctxGlobal.getVariableValue( "pass1coefficient", 1.5f );
     pass2coefficient = expctxGlobal.getVariableValue( "pass2coefficient", 0.f );
diff --git a/brouter-expressions/src/main/java/btools/expressions/BExpressionContext.java b/brouter-expressions/src/main/java/btools/expressions/BExpressionContext.java
index 03e537c..5de08b0 100644
--- a/brouter-expressions/src/main/java/btools/expressions/BExpressionContext.java
+++ b/brouter-expressions/src/main/java/btools/expressions/BExpressionContext.java
@@ -777,6 +777,14 @@ public abstract class BExpressionContext implements IByteArrayUnifier
     return idx < lookupIdxUsed.length ? lookupIdxUsed[idx] : false;
   }
 
+  public final void setAllTagsUsed()
+  {
+    for( int i=0; i<lookupIdxUsed.length; i++ )
+    {
+      lookupIdxUsed[i] = true;
+    }
+  }
+
   int getLookupValueIdx( int nameIdx, String value )
   {
     BExpressionLookupValue[] values = lookupValues.get( nameIdx );
diff --git a/misc/profiles2/car-traffic_analysis.brf b/misc/profiles2/car-traffic_analysis.brf
index d267796..127bbf4 100644
--- a/misc/profiles2/car-traffic_analysis.brf
+++ b/misc/profiles2/car-traffic_analysis.brf
@@ -14,6 +14,7 @@ assign uphillcost 0
 assign uphillcutoff 0
 
 assign validForCars 1
+assign considerTurnRestrictions = false
 
 assign pass1coefficient 0.
 assign pass2coefficient -1
diff --git a/misc/profiles2/dummy.brf b/misc/profiles2/dummy.brf
index a18162c..3f00fc6 100644
--- a/misc/profiles2/dummy.brf
+++ b/misc/profiles2/dummy.brf
@@ -1,4 +1,8 @@
 ---context:global   # following code refers to global config
+
+# this prevents suppression of unused tags, so they are visibly in the data tab
+assign processUnusedTags = true
+
 ---context:way   # following code refers to way-tags
 
 assign costfactor