diff --git a/jsprit-core/src/main/java/com/graphhopper/jsprit/core/problem/job/Service.java b/jsprit-core/src/main/java/com/graphhopper/jsprit/core/problem/job/Service.java
index 3be5dad5..09167dc6 100644
--- a/jsprit-core/src/main/java/com/graphhopper/jsprit/core/problem/job/Service.java
+++ b/jsprit-core/src/main/java/com/graphhopper/jsprit/core/problem/job/Service.java
@@ -93,7 +93,9 @@ public class Service extends AbstractJob {
         private int priority = 2;
         protected Object userData;
 
-		protected double maxTimeInVehicle = Double.MAX_VALUE;Builder(String id){
+		protected double maxTimeInVehicle = Double.MAX_VALUE;
+		
+		Builder(String id){
 			this.id = id;
 			timeWindows = new TimeWindowsImpl();
 			timeWindows.add(timeWindow);
@@ -266,8 +268,6 @@ public class Service extends AbstractJob {
 
     private final double serviceTime;
 
-    private final TimeWindow timeWindow;
-
     private final Capacity size;
 
     private final Skills skills;
@@ -276,7 +276,7 @@ public class Service extends AbstractJob {
 
     private final Location location;
 
-    private final TimeWindows timeWindowManager;
+    private final TimeWindows timeWindows;
 
     private final int priority;
 
@@ -286,18 +286,18 @@ public class Service extends AbstractJob {
         setUserData(builder.userData);
         id = builder.id;
         serviceTime = builder.serviceTime;
-        timeWindow = builder.timeWindow;
         type = builder.type;
         size = builder.capacity;
         skills = builder.skills;
         name = builder.name;
         location = builder.location;
-        timeWindowManager = builder.timeWindows;
+        timeWindows = builder.timeWindows;
         priority = builder.priority;
-	maxTimeInVehicle = builder.maxTimeInVehicle;}
+	    maxTimeInVehicle = builder.maxTimeInVehicle;
+	}
 
     public Collection<TimeWindow> getTimeWindows(){
-        return timeWindowManager.getTimeWindows();
+        return timeWindows.getTimeWindows();
     }
 
     @Override
@@ -332,7 +332,7 @@ public class Service extends AbstractJob {
      *
      */
     public TimeWindow getTimeWindow() {
-        return timeWindowManager.getTimeWindows().iterator().next();
+        return timeWindows.getTimeWindows().iterator().next();
     }
 
     /**
@@ -349,10 +349,11 @@ public class Service extends AbstractJob {
      */
     @Override
     public String toString() {
-        return "[id=" + id + "][name=" + name + "][type=" + type + "][location=" + location + "][capacity=" + size + "][serviceTime=" + serviceTime + "][timeWindow=" + timeWindow + "]";
+        return "[id=" + id + "][name=" + name + "][type=" + type + "][location=" + location
+                + "][capacity=" + size + "][serviceTime=" + serviceTime + "][timeWindows="
+                + timeWindows + "]";
     }
 
-
     @Override
     public int hashCode() {
         final int prime = 31;
diff --git a/jsprit-core/src/main/java/com/graphhopper/jsprit/core/problem/job/Shipment.java b/jsprit-core/src/main/java/com/graphhopper/jsprit/core/problem/job/Shipment.java
index ef4ebdd5..91a8b628 100644
--- a/jsprit-core/src/main/java/com/graphhopper/jsprit/core/problem/job/Shipment.java
+++ b/jsprit-core/src/main/java/com/graphhopper/jsprit/core/problem/job/Shipment.java
@@ -349,10 +349,6 @@ public class Shipment extends AbstractJob {
 
     private final double deliveryServiceTime;
 
-    private final TimeWindow deliveryTimeWindow;
-
-    private final TimeWindow pickupTimeWindow;
-
     private final Capacity capacity;
 
     private final Skills skills;
@@ -375,9 +371,7 @@ public class Shipment extends AbstractJob {
         setUserData(builder.userData);
         this.id = builder.id;
         this.pickupServiceTime = builder.pickupServiceTime;
-        this.pickupTimeWindow = builder.pickupTimeWindow;
         this.deliveryServiceTime = builder.deliveryServiceTime;
-        this.deliveryTimeWindow = builder.deliveryTimeWindow;
         this.capacity = builder.capacity;
         this.skills = builder.skills;
         this.name = builder.name;
@@ -448,6 +442,21 @@ public class Shipment extends AbstractJob {
         return pickupTimeWindows.getTimeWindows();
     }
 
+    
+    /**
+     * Returns a string with the shipment's attributes.
+     * <p>
+     * <p>String is built as follows: [attr1=val1][attr2=val2]...
+     */
+    @Override
+    public String toString() {
+        return "[id=" + id + "][name=" + name + "][pickupLocation=" + pickupLocation_
+                + "][deliveryLocation=" + deliveryLocation_ + "][capacity=" + capacity
+                + "][pickupServiceTime=" + pickupServiceTime + "][deliveryServiceTime="
+                + deliveryServiceTime + "][pickupTimeWindows=" + pickupTimeWindows
+                + "][deliveryTimeWindows=" + deliveryTimeWindows + "]";
+    }
+
 
     @Override
     public int hashCode() {
diff --git a/jsprit-core/src/main/java/com/graphhopper/jsprit/core/problem/solution/route/activity/TimeWindowsImpl.java b/jsprit-core/src/main/java/com/graphhopper/jsprit/core/problem/solution/route/activity/TimeWindowsImpl.java
index 25e5a578..84b8f37c 100644
--- a/jsprit-core/src/main/java/com/graphhopper/jsprit/core/problem/solution/route/activity/TimeWindowsImpl.java
+++ b/jsprit-core/src/main/java/com/graphhopper/jsprit/core/problem/solution/route/activity/TimeWindowsImpl.java
@@ -48,4 +48,12 @@ public class TimeWindowsImpl implements TimeWindows {
         return Collections.unmodifiableCollection(timeWindows);
     }
 
+    @Override
+    public String toString() {
+        StringBuffer sb = new StringBuffer(timeWindows.size() * 60);
+        for (TimeWindow tw : timeWindows) {
+            sb.append("[timeWindow=").append(tw).append("]");
+        }
+        return sb.toString();
+    }
 }