diff --git a/pom.xml b/pom.xml
index 22b5f7c..c844a15 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>de.srsoftware</groupId>
 	<artifactId>web4rail</artifactId>
-	<version>1.2.15</version>
+	<version>1.2.16</version>
 	<name>Web4Rail</name>
 	<packaging>jar</packaging>
 	<description>Java Model Railway Control</description>
diff --git a/src/main/java/de/srsoftware/web4rail/BaseClass.java b/src/main/java/de/srsoftware/web4rail/BaseClass.java
index 21078cb..a3eba5b 100644
--- a/src/main/java/de/srsoftware/web4rail/BaseClass.java
+++ b/src/main/java/de/srsoftware/web4rail/BaseClass.java
@@ -387,6 +387,7 @@ public abstract class BaseClass implements Constants{
 	}
 	
 	public BaseClass remove() {
+		LOG.debug("Called remove on {} ({})",id(),this);
 		if (isSet(parent)) parent.removeChild(this);
 		return registry.remove(id());
 	}
diff --git a/src/main/java/de/srsoftware/web4rail/Plan.java b/src/main/java/de/srsoftware/web4rail/Plan.java
index 8d1b766..4b8cc20 100644
--- a/src/main/java/de/srsoftware/web4rail/Plan.java
+++ b/src/main/java/de/srsoftware/web4rail/Plan.java
@@ -249,18 +249,23 @@ public class Plan extends BaseClass{
 	 * @return a string giving information how many routes have been found
 	 */
 	private String analyze() {
-		Vector<Route> routes = new Vector<Route>();
+		List<Route> oldRoutes = BaseClass.listElements(Route.class);
+		Vector<Route> newRoutes = new Vector<Route>();
 		for (Block block : BaseClass.listElements(Block.class)) {
 			if (block.name.equals("Huhu")) {
 				System.err.println("Here we go!");
 			}
 			for (Connector con : block.startPoints()) {
-				routes.addAll(follow(new Route().begin(block,con.from.inverse()),con));
+				newRoutes.addAll(follow(new Route().begin(block,con.from.inverse()),con));
 			}
 		}
 		for (Tile tile : BaseClass.listElements(Tile.class)) tile.routes().clear();
-		for (Route route : routes) registerRoute(route.complete());
-		return t("Found {} routes.",routes.size());
+		for (Route route : newRoutes) registerRoute(route.complete());
+		for (Route oldRoute : oldRoutes) {
+			oldRoute.id = new Id("test"); // new routes may have the same ids and shall not be deleted in the next step!
+			oldRoute.remove();
+		}
+		return t("Found {} routes.",newRoutes.size());
 	}
 
 	/**
diff --git a/src/main/java/de/srsoftware/web4rail/Route.java b/src/main/java/de/srsoftware/web4rail/Route.java
index 3eb9146..e672a31 100644
--- a/src/main/java/de/srsoftware/web4rail/Route.java
+++ b/src/main/java/de/srsoftware/web4rail/Route.java
@@ -286,8 +286,12 @@ public class Route extends BaseClass implements Comparable<Route>{
 	public void addPropertiesFrom(Route existingRoute) {
 		LOG.debug("addPropertiesFrom({})",existingRoute);
 		disabled = existingRoute.disabled;
-		
-		conditions.addAll(existingRoute.conditions);
+
+		for (Condition condition : existingRoute.conditions) { // bestehende Bedingungen der neuen zuweisen
+			condition.parent(this);
+			conditions.add(condition);			
+		}
+		conditions.forEach(condition -> existingRoute.conditions.removeChild(condition));
 		
 		for (Entry<String, ActionList> entry : triggeredActions.entrySet()) {
 			String trigger = entry.getKey();
@@ -469,7 +473,7 @@ public class Route extends BaseClass implements Comparable<Route>{
 	}
 	
 	public Id id() {
-		if (id == null) id = new Id(""+(generateName().hashCode()));
+		if (isNull(id)) id = new Id(""+(generateName().hashCode()));
 		return id;
 	}
 		
@@ -748,7 +752,7 @@ public class Route extends BaseClass implements Comparable<Route>{
 	}
 	
 	@Override
-	public BaseClass remove() {		
+	public BaseClass remove() {
 		super.remove();
 		if (isSet(train)) train.removeChild(this);
 		path.forEach(tile -> tile.removeChild(this));
diff --git a/src/main/java/de/srsoftware/web4rail/actions/ActionList.java b/src/main/java/de/srsoftware/web4rail/actions/ActionList.java
index 80f1d4f..4eadea9 100644
--- a/src/main/java/de/srsoftware/web4rail/actions/ActionList.java
+++ b/src/main/java/de/srsoftware/web4rail/actions/ActionList.java
@@ -74,11 +74,12 @@ public class ActionList extends Action implements Iterable<Action>{
 			}
 			if (exists) {
 				LOG.debug("action not added.");
-			} else {
+			} else { // bestehemde Aktion der neuen Liste zuweisen
 				this.add(otherAction);
 				LOG.debug("action added.");
 			}
 		}
+		actions.forEach(action -> other.removeChild(action)); // zugewiesene Aktionen von alter Liste löschen
 	}
 	
 	public boolean drop(Action action) {
diff --git a/src/main/java/de/srsoftware/web4rail/conditions/ConditionList.java b/src/main/java/de/srsoftware/web4rail/conditions/ConditionList.java
index 72c8fe2..05513c3 100644
--- a/src/main/java/de/srsoftware/web4rail/conditions/ConditionList.java
+++ b/src/main/java/de/srsoftware/web4rail/conditions/ConditionList.java
@@ -132,7 +132,7 @@ public class ConditionList extends Condition implements Iterable<Condition>{
 	}
 	
 	@Override
-	protected void removeChild(BaseClass child) {
+	public void removeChild(BaseClass child) {
 		conditions.remove(child);
 	}
 
diff --git a/src/main/java/de/srsoftware/web4rail/tiles/Tile.java b/src/main/java/de/srsoftware/web4rail/tiles/Tile.java
index c42b0b9..3e6b8b9 100644
--- a/src/main/java/de/srsoftware/web4rail/tiles/Tile.java
+++ b/src/main/java/de/srsoftware/web4rail/tiles/Tile.java
@@ -389,7 +389,7 @@ public abstract class Tile extends BaseClass implements Comparable<Tile>{
 	@Override
 	public void removeChild(BaseClass child) {
 		routes.remove(child);
-		shadows.remove(child);
+		if (child instanceof Shadow) shadows.remove(child);
 		if (child == train) train = null;
 		if (child == route) route = null;
 		plan.place(this);