diff --git a/jsprit-core/src/main/java/jsprit/core/problem/cost/AbstractForwardVehicleRoutingTransportCosts.java b/jsprit-core/src/main/java/jsprit/core/problem/cost/AbstractForwardVehicleRoutingTransportCosts.java
new file mode 100644
index 00000000..444fb9bb
--- /dev/null
+++ b/jsprit-core/src/main/java/jsprit/core/problem/cost/AbstractForwardVehicleRoutingTransportCosts.java
@@ -0,0 +1,24 @@
+package jsprit.core.problem.cost;
+
+import jsprit.core.problem.driver.Driver;
+import jsprit.core.problem.vehicle.Vehicle;
+
+public abstract class AbstractForwardVehicleRoutingTransportCosts implements VehicleRoutingTransportCosts{
+
+	@Override
+	public abstract double getTransportTime(String fromId, String toId,double departureTime, Driver driver, Vehicle vehicle);
+	
+	@Override
+	public abstract double getTransportCost(String fromId, String toId,double departureTime, Driver driver, Vehicle vehicle);
+
+	@Override
+	public double getBackwardTransportTime(String fromId, String toId,double arrivalTime, Driver driver, Vehicle vehicle) {
+		return getTransportTime(fromId, toId, arrivalTime, driver, vehicle);
+	}
+
+	@Override
+	public double getBackwardTransportCost(String fromId, String toId,double arrivalTime, Driver driver, Vehicle vehicle) {
+		return getTransportCost(fromId, toId, arrivalTime, driver, vehicle);
+	}
+
+}