diff --git a/pom.xml b/pom.xml
index 531daa9..e2f59c1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>de.srsoftware</groupId>
 	<artifactId>web4rail</artifactId>
-	<version>1.2.46</version>
+	<version>1.2.47</version>
 	<name>Web4Rail</name>
 	<packaging>jar</packaging>
 	<description>Java Model Railway Control</description>
diff --git a/resources/css/style.css b/resources/css/style.css
index 765eceb..f107ebe 100644
--- a/resources/css/style.css
+++ b/resources/css/style.css
@@ -230,6 +230,9 @@ svg.straight .right{
 .active circle{
 	fill: #f57900;
 }
+.Block.active{
+	background: #f57900;
+}
 
 polygon.oneway{
 	fill: lime;
diff --git a/src/main/java/de/srsoftware/web4rail/Plan.java b/src/main/java/de/srsoftware/web4rail/Plan.java
index 3845f7b..f23ac59 100644
--- a/src/main/java/de/srsoftware/web4rail/Plan.java
+++ b/src/main/java/de/srsoftware/web4rail/Plan.java
@@ -33,6 +33,7 @@ import de.srsoftware.web4rail.tags.Input;
 import de.srsoftware.web4rail.tags.Label;
 import de.srsoftware.web4rail.tags.Table;
 import de.srsoftware.web4rail.tiles.Block;
+import de.srsoftware.web4rail.tiles.BlockContact;
 import de.srsoftware.web4rail.tiles.BlockH;
 import de.srsoftware.web4rail.tiles.BlockV;
 import de.srsoftware.web4rail.tiles.Bridge;
@@ -301,7 +302,7 @@ public class Plan extends BaseClass{
 		Vector<Route> results = new Vector<>();
 		if (tile == null) return results;
 		Tile addedTile = route.add(tile,connector.from.inverse());
-		if (addedTile instanceof Block) {
+		if (addedTile instanceof Block) { // Route wird mit einem Block abgeschlossen
 			Map<Connector, State> cons = addedTile.connections(connector.from);
 			LOG.debug("Found {}, coming from {}.",addedTile,connector.from);
 			for (Connector con : cons.keySet()) { // falls direkt nach dem Block noch ein Kontakt kommt: diesen mit zu Route hinzufügen
@@ -711,7 +712,6 @@ public class Plan extends BaseClass{
 			learningContact = null;
 			return;
 		}
-		
 		if (isSet(contact)) contact.activate(active);
 	}
 	
diff --git a/src/main/java/de/srsoftware/web4rail/Route.java b/src/main/java/de/srsoftware/web4rail/Route.java
index def87c1..b5dae03 100644
--- a/src/main/java/de/srsoftware/web4rail/Route.java
+++ b/src/main/java/de/srsoftware/web4rail/Route.java
@@ -194,6 +194,7 @@ public class Route extends BaseClass {
 		if (tile instanceof Block) {
 			endBlock = (Block) tile;
 			endDirection = direrction;
+			contacts.addAll(endBlock.contacts());
 		}
 		path.add(tile);
 		if (tile instanceof Contact) contacts.add((Contact) tile);
@@ -296,11 +297,11 @@ public class Route extends BaseClass {
 				
 	public Route begin(Block block,Direction to) {
 		// add those fields to clone, too!
-		contacts = new Vector<Contact>();
+		startBlock = block;
+		contacts = new Vector<Contact>(startBlock.contacts());
 		signals = new Vector<Signal>();
 		path = new Vector<Tile>();
 		turnouts = new HashMap<>();
-		startBlock = block;
 		startDirection = to;
 		path.add(block);
 		return this;
diff --git a/src/main/java/de/srsoftware/web4rail/tiles/Block.java b/src/main/java/de/srsoftware/web4rail/tiles/Block.java
index 1c5ea32..e15154e 100644
--- a/src/main/java/de/srsoftware/web4rail/tiles/Block.java
+++ b/src/main/java/de/srsoftware/web4rail/tiles/Block.java
@@ -159,6 +159,10 @@ public abstract class Block extends StretchableTile{
 		return fieldset;
 	}
 	
+	public Collection<? extends Contact> contacts() {
+		return internalContacts;
+	}
+	
 	public abstract Direction directionA();
 	public abstract Direction directionB();
 	
@@ -194,6 +198,10 @@ public abstract class Block extends StretchableTile{
 		}
 		return getWaitTime(NO_TAG).get(dir);
 	}
+	
+	public int indexOf(BlockContact contact) {
+		return 1+internalContacts.indexOf(contact);
+	}
 		
 	@Override
 	public JSONObject json() {
@@ -203,6 +211,15 @@ public abstract class Block extends StretchableTile{
 		JSONArray jWaitTimes = new JSONArray();
 		for (WaitTime wt : waitTimes) jWaitTimes.put(wt.json());
 		json.put(WAIT_TIMES, jWaitTimes);
+		JSONObject jContacts = null;
+		for (BlockContact contact : internalContacts) {
+			int addr = contact.addr();
+			if (addr != 0) {
+				if (isNull(jContacts)) jContacts = new JSONObject();
+				jContacts.put(contact.id().toString(), contact.addr());
+			}
+		}
+		if (isSet(jContacts)) json.put(CONTACT, jContacts);
 		return json;
 	}
 	
@@ -230,6 +247,10 @@ public abstract class Block extends StretchableTile{
 				if (object instanceof JSONObject) waitTimes.add(new WaitTime(null).load((JSONObject) object));
 			});
 		}
+		if (json.has(CONTACT)) {
+			JSONObject jContact = json.getJSONObject(CONTACT);
+			for (String key : jContact.keySet()) new BlockContact(this).addr(jContact.getInt(key));
+		}
 		return super.load(json);
 	}
 	
@@ -260,6 +281,16 @@ public abstract class Block extends StretchableTile{
 		return contact;
 	}
 	
+	@Override
+	public void removeChild(BaseClass child) {
+		super.removeChild(child);
+		internalContacts.remove(child);
+	}
+	
+	public void removeContact(BlockContact blockContact) {
+		internalContacts.remove(blockContact);
+	}
+	
 	public static Select selector(Block preselected,Collection<Block> exclude) {
 		if (isNull(exclude)) exclude = new Vector<Block>();
 		Select select = new Select(Block.class.getSimpleName());
diff --git a/src/main/java/de/srsoftware/web4rail/tiles/BlockContact.java b/src/main/java/de/srsoftware/web4rail/tiles/BlockContact.java
index e0b70ff..f2f1074 100644
--- a/src/main/java/de/srsoftware/web4rail/tiles/BlockContact.java
+++ b/src/main/java/de/srsoftware/web4rail/tiles/BlockContact.java
@@ -1,5 +1,10 @@
 package de.srsoftware.web4rail.tiles;
 
+import java.io.IOException;
+import java.util.Map;
+
+import de.srsoftware.tools.Tag;
+import de.srsoftware.web4rail.Route;
 import de.srsoftware.web4rail.Window;
 
 public class BlockContact extends Contact {
@@ -11,14 +16,16 @@ public class BlockContact extends Contact {
 	@Override
 	public Contact addr(int address) {
 		super.addr(address);
-		Block block = (Block) parent(); 
-		return block.register(this);		
+		Block block = (Block) parent();
+		block.removeContact(this);
+		if (address != 0) block.register(this); 	 
+		return this;		
 	}
 
 	@Override
 	public Id id() {
-		if (id == null) id = new Id();
-		return id;
+		Block block = ((Block)parent());
+		return new Id(block.name+":"+block.indexOf(this));
 	}
 	
 	@Override
@@ -26,8 +33,18 @@ public class BlockContact extends Contact {
 		return parent().properties();
 	}
 	
+	@Override
+	public Route route() {
+		return ((Block)parent()).route();
+	}
+	
+	@Override
+	public Tag tag(Map<String, Object> replacements) throws IOException {
+		return ((Block)parent()).tag(replacements);
+	}
+
 	@Override
 	public String toString() {
-		return getClass().getSimpleName()+"("+addr+")";
+		return id().toString()+" ("+addr+")";
 	}
 }
diff --git a/src/main/java/de/srsoftware/web4rail/tiles/Contact.java b/src/main/java/de/srsoftware/web4rail/tiles/Contact.java
index 0e19c71..ec331f3 100644
--- a/src/main/java/de/srsoftware/web4rail/tiles/Contact.java
+++ b/src/main/java/de/srsoftware/web4rail/tiles/Contact.java
@@ -12,6 +12,7 @@ import org.json.JSONObject;
 
 import de.srsoftware.tools.Tag;
 import de.srsoftware.web4rail.BaseClass;
+import de.srsoftware.web4rail.Route;
 import de.srsoftware.web4rail.Window;
 import de.srsoftware.web4rail.actions.Action;
 import de.srsoftware.web4rail.actions.ActionList;
@@ -74,6 +75,7 @@ public class Contact extends Tile{
 			state = true;
 			if (isSet(timer)) timer.abort();
 			Context context = null;
+			Route route = route();
 			if (isSet(route)) {
 				context = route.context();
 				actions.fire(context);
@@ -95,7 +97,7 @@ public class Contact extends Tile{
 	}
 	
 	public Contact addr(int address) {
-		contactsByAddr.remove(addr); // alte ID aus der Map löschen
+		Contact oldContact = contactsByAddr.remove(addr); // alte ID aus der Map löschen
 		addr = address;
 		if (addr != 0) contactsByAddr.put(addr, this); // neue ID setzen
 		return this;
@@ -204,7 +206,7 @@ public class Contact extends Tile{
 	
 	public void stream() {
 		try {
-			Tag tag = super.tag(null);
+			Tag tag = tag(null);
 			if (state) tag.clazz(tag.get("class")+" active");
 			plan.stream("place "+tag);
 		} catch (IOException e) {