Index: bin/ai/regression/regression.nut
===================================================================
--- bin/ai/regression/regression.nut	(revision 11286)
+++ bin/ai/regression/regression.nut	(working copy)
@@ -825,7 +825,9 @@
 	bank = company.GetBankBalance(AICompany.MY_COMPANY);
 
 	print("  SellVehicle(12):      " + vehicle.SellVehicle(12));
+    print("  VehicleIsInDepot():   " + vehicle.VehicleIsInDepot(11));
 	print("  StartStopVehicle():   " + vehicle.StartStopVehicle(11));
+    print("  VehicleIsInDepot():   " + vehicle.VehicleIsInDepot(11));
 	print("  SendVehicleToDepot(): " + vehicle.SendVehicleToDepot(11));
 
 	bank_after = company.GetBankBalance(AICompany.MY_COMPANY);
@@ -849,13 +851,17 @@
 	print("    GetProfitThisYear(): " + vehicle.GetProfitThisYear(11));
 	print("    GetProfitLastYear(): " + vehicle.GetProfitLastYear(11));
 	print("    GetVehicleType():    " + vehicle.GetVehicleType(11));
+    print("    VehicleIsInDepot():  " + vehicle.VehicleIsInDepot(11));
 
 	print("  BuildVehicle():       " + vehicle.BuildVehicle(32119, 219));
 	print("  IsValidVehicle(13):   " + vehicle.IsValidVehicle(13));
+    print("  VehicleIsInDepot(13): " + vehicle.VehicleIsInDepot(13));
 	print("  IsValidVehicle(14):   " + vehicle.IsValidVehicle(14));
+    print("  VehicleIsInDepot(14): " + vehicle.VehicleIsInDepot(14));
 
 	print("  BuildVehicle():       " + vehicle.BuildVehicle(28479, 204));
 	print("  IsValidVehicle(15):   " + vehicle.IsValidVehicle(15));
+    print("  VehicleIsInDepot(15): " + vehicle.VehicleIsInDepot(15));
 
 	local list = AIVehicleList();
 
Index: bin/ai/regression/regression.txt
===================================================================
--- bin/ai/regression/regression.txt	(revision 11286)
+++ bin/ai/regression/regression.txt	(working copy)
@@ -2532,7 +2532,9 @@
     Should be:          11970
     ResetCosts():       (null : 0x00000000)
   SellVehicle(12):      true
+  VehicleIsInDepot():   true
   StartStopVehicle():   true
+  VehicleIsInDepot():   false
   SendVehicleToDepot(): true
   --Accounting--
     GetCosts():         -5985
@@ -2551,11 +2553,15 @@
     GetProfitThisYear(): -1
     GetProfitLastYear(): 0
     GetVehicleType():    1
+    VehicleIsInDepot():  false
   BuildVehicle():       13
   IsValidVehicle(13):   true
+  VehicleIsInDepot(13): true
   IsValidVehicle(14):   false
+  VehicleIsInDepot(14): false
   BuildVehicle():       15
   IsValidVehicle(15):   true
+  VehicleIsInDepot(15): true
 
 --VehicleList--
   Count():             4
Index: src/ai/api/ai_vehicle.cpp
===================================================================
--- src/ai/api/ai_vehicle.cpp	(revision 11286)
+++ src/ai/api/ai_vehicle.cpp	(working copy)
@@ -172,6 +172,12 @@
 	}
 }
 
+bool AIVehicle::VehicleIsInDepot(VehicleID vehicle_id)
+{
+    if (!this->IsValidVehicle(vehicle_id)) return false;
+    return (::GetVehicle(vehicle_id)-> IsStoppedInDepot());
+}
+
 bool AIVehicle::StartStopVehicle(VehicleID vehicle_id)
 {
 	if (!this->IsValidVehicle(vehicle_id)) return false;
Index: src/ai/api/ai_vehicle.hpp
===================================================================
--- src/ai/api/ai_vehicle.hpp	(revision 11286)
+++ src/ai/api/ai_vehicle.hpp	(working copy)
@@ -146,6 +146,14 @@
 	 */
 	bool SendVehicleToDepot(VehicleID vehicle_id);
 
+    /**
+     * check whether a vehicle is in a depot & stopped
+     * @param vehicle_id the vehicle you want to know about
+     * @pre isValidVehicle(vehicle_id)
+     * @return true if and only if the vehicle is in a depot AND stopped
+     **/
+    bool VehicleIsInDepot(VehicleID vehicle_id);
+
 	/**
 	 * Starts or stops the given vehicle depending on the current state.
 	 * @param vehicle_id the vehicle to start/stop.
Index: src/ai/api/ai_vehicle.hpp.sq
===================================================================
--- src/ai/api/ai_vehicle.hpp.sq	(revision 11286)
+++ src/ai/api/ai_vehicle.hpp.sq	(working copy)
@@ -46,6 +46,7 @@
 	SQAIVehicle.DefSQMethod(engine, &AIVehicle::RefitVehicle,         "RefitVehicle",         3, "xii");
 	SQAIVehicle.DefSQMethod(engine, &AIVehicle::SellVehicle,          "SellVehicle",          2, "xi");
 	SQAIVehicle.DefSQMethod(engine, &AIVehicle::SendVehicleToDepot,   "SendVehicleToDepot",   2, "xi");
+    SQAIVehicle.DefSQMethod(engine, &AIVehicle::VehicleIsInDepot,     "VehicleIsInDepot",     2, "xi");
 	SQAIVehicle.DefSQMethod(engine, &AIVehicle::StartStopVehicle,     "StartStopVehicle",     2, "xi");
 	SQAIVehicle.DefSQMethod(engine, &AIVehicle::SkipToVehicleOrder,   "SkipToVehicleOrder",   3, "xii");
 	SQAIVehicle.DefSQMethod(engine, &AIVehicle::SetName,              "SetName",              3, "xis");