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 ab54929e..4f8a1e96 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
@@ -17,8 +17,6 @@
  */
 package com.graphhopper.jsprit.core.problem.job;
 
-import java.util.Collection;
-
 import com.graphhopper.jsprit.core.problem.AbstractJob;
 import com.graphhopper.jsprit.core.problem.Capacity;
 import com.graphhopper.jsprit.core.problem.Location;
@@ -28,6 +26,8 @@ import com.graphhopper.jsprit.core.problem.solution.route.activity.TimeWindows;
 import com.graphhopper.jsprit.core.problem.solution.route.activity.TimeWindowsImpl;
 import com.graphhopper.jsprit.core.util.Coordinate;
 
+import java.util.Collection;
+
 /**
  * Service implementation of a job.
  * <p>
@@ -194,6 +194,11 @@ public class Service extends AbstractJob {
             return addTimeWindow(TimeWindow.newInstance(earliest, latest));
         }
 
+        public Builder<T> addAllTimeWindows(Collection<TimeWindow> timeWindows) {
+            for (TimeWindow tw : timeWindows) addTimeWindow(tw);
+            return this;
+        }
+
         /**
          * Builds the service.
          *
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 22c551cd..6b1a75cd 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
@@ -17,8 +17,6 @@
  */
 package com.graphhopper.jsprit.core.problem.job;
 
-import java.util.Collection;
-
 import com.graphhopper.jsprit.core.problem.AbstractJob;
 import com.graphhopper.jsprit.core.problem.Capacity;
 import com.graphhopper.jsprit.core.problem.Location;
@@ -26,6 +24,8 @@ import com.graphhopper.jsprit.core.problem.Skills;
 import com.graphhopper.jsprit.core.problem.solution.route.activity.TimeWindow;
 import com.graphhopper.jsprit.core.problem.solution.route.activity.TimeWindowsImpl;
 
+import java.util.Collection;
+
 
 /**
  * Shipment is an implementation of Job and consists of a pickup and a delivery of something.
@@ -277,6 +277,11 @@ public class Shipment extends AbstractJob {
             return this;
         }
 
+        public Builder addAllDeliveryTimeWindows(Collection<TimeWindow> timeWindow) {
+            for (TimeWindow tw : timeWindow) addDeliveryTimeWindow(tw);
+            return this;
+        }
+
         public Builder addPickupTimeWindow(TimeWindow timeWindow) {
             if(timeWindow == null) throw new IllegalArgumentException("time-window arg must not be null");
             if(!pickupTimeWindowAdded){
@@ -291,6 +296,11 @@ public class Shipment extends AbstractJob {
             return addPickupTimeWindow(TimeWindow.newInstance(earliest, latest));
         }
 
+        public Builder addAllPickupTimeWindows(Collection<TimeWindow> timeWindow) {
+            for (TimeWindow tw : timeWindow) addPickupTimeWindow(tw);
+            return this;
+        }
+
         /**
          * Set priority to shipment. Only 1 (high) to 10 (low) are allowed.
          * <p>