diff --git a/pom.xml b/pom.xml
index fcce1ed..d6567bc 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>de.srsoftware</groupId>
 	<artifactId>web4rail</artifactId>
-	<version>1.4.20</version>
+	<version>1.4.21</version>
 	<name>Web4Rail</name>
 	<packaging>jar</packaging>
 	<description>Java Model Railway Control</description>
diff --git a/resources/js/plan.js b/resources/js/plan.js
index 7a0043e..75887cf 100644
--- a/resources/js/plan.js
+++ b/resources/js/plan.js
@@ -26,7 +26,7 @@ function addMessage(txt){
 	messages.unshift(txt);
 	if (messages.length>5) messages.pop();
 	updateMessages();
-	setTimeout(fadeMessage,30000);
+	setTimeout(fadeMessage,60000);
 }
 
 function addTile(x,y){	
diff --git a/src/main/java/de/srsoftware/web4rail/Route.java b/src/main/java/de/srsoftware/web4rail/Route.java
index 7ae9e58..fab643e 100644
--- a/src/main/java/de/srsoftware/web4rail/Route.java
+++ b/src/main/java/de/srsoftware/web4rail/Route.java
@@ -428,6 +428,10 @@ public class Route extends BaseClass {
 		return nextPreparedRoute;
 	}
 	
+	public boolean hasTriggeredContacts() {
+		return triggeredContacts.size()>0;
+	}
+	
 	public Id id() {
 		if (isNull(id)) id = new Id(""+(generateName().hashCode()));
 		return id;
diff --git a/src/main/java/de/srsoftware/web4rail/moving/Train.java b/src/main/java/de/srsoftware/web4rail/moving/Train.java
index f26c98e..b41c691 100644
--- a/src/main/java/de/srsoftware/web4rail/moving/Train.java
+++ b/src/main/java/de/srsoftware/web4rail/moving/Train.java
@@ -195,7 +195,10 @@ public class Train extends BaseClass implements Comparable<Train> {
 	
 	public String brakeId(boolean reversed) {
 		TreeSet<String> carIds = new TreeSet<String>();
-		cars.stream().map(car -> car.id()+":"+(car.orientation == reversed ? "r":"f")).forEach(carIds::add);		
+		cars.stream()
+			.filter(car -> car instanceof Locomotive)
+			.map(car -> car.id()+":"+(car.orientation == reversed ? "r":"f"))
+			.forEach(carIds::add);		
 		String brakeId = md5sum(carIds);
 		LOG.debug("generated new {} brake id for {}: {}",reversed?"backward":"forward",this,brakeId);
 		return brakeId;
@@ -885,7 +888,10 @@ public class Train extends BaseClass implements Comparable<Train> {
 	public Train set(Block newBlock) {
 		LOG.debug("{}.set({})",this,newBlock);
 		if (isSet(currentBlock)) {
-			if (newBlock == currentBlock) return this;
+			if (newBlock == currentBlock) {
+				if (currentBlock.occupyingTrain() != this) currentBlock.setTrain(this);
+				return this;
+			}
 			currentBlock.free(this);
 		}
 		currentBlock = newBlock;
@@ -1042,7 +1048,7 @@ public class Train extends BaseClass implements Comparable<Train> {
 		endBrake();
 		setSpeed(0);
 		quitAutopilot();
-		if (isSet(route)) {
+		if (isSet(route) && route.hasTriggeredContacts()) {
 			stuckTrace = new HashSet<Tile>(); 
 			for (Tile tile : route.path()) { // collect occupied tiles of route. stuckTrace is considered during next route search
 				if (trace.contains(tile)) stuckTrace.add(tile);
diff --git a/src/main/java/de/srsoftware/web4rail/threads/RoutePrepper.java b/src/main/java/de/srsoftware/web4rail/threads/RoutePrepper.java
index b2370b3..5dd959d 100644
--- a/src/main/java/de/srsoftware/web4rail/threads/RoutePrepper.java
+++ b/src/main/java/de/srsoftware/web4rail/threads/RoutePrepper.java
@@ -78,6 +78,8 @@ public class RoutePrepper extends BaseClass implements Runnable{
 		LOG.debug("{} is heading for {}, starting breadth-first search…",train,destination);
 		
 		HashMap<Route,Candidate> predecessors = new HashMap<>() {
+			private static final long serialVersionUID = -42682947866294566L;
+
 			public String toString() {
 				return entrySet().stream()
 					.sorted((e1,e2) -> e1.getValue().toString().compareTo(e2.getValue().toString()))
diff --git a/src/main/java/de/srsoftware/web4rail/tiles/Block.java b/src/main/java/de/srsoftware/web4rail/tiles/Block.java
index 9138096..e1efd08 100644
--- a/src/main/java/de/srsoftware/web4rail/tiles/Block.java
+++ b/src/main/java/de/srsoftware/web4rail/tiles/Block.java
@@ -503,8 +503,12 @@ public abstract class Block extends StretchableTile{
 				if (isSet(newTrain) && newTrain != occupyingTrain()) {
 					free(occupyingTrain());
 					newTrain.dropTrace();
-					if (connections(newTrain.direction()).isEmpty()) newTrain.heading(null); 
-					newTrain.set(this);
+					if (connections(newTrain.direction()).isEmpty()) newTrain.heading(null);
+					newTrain.set(this);					
+				}
+				if (newTrain.currentBlock() != this) {
+					newTrain.dropTrace();
+					newTrain.set(this);					
 				}
 			}
 		}