1 files changed, 2 insertions, 0 deletions
diff --git a/vehicle.h b/vehicle.h
index 78156caa0..e45cebe15 100644
--- a/vehicle.h
+++ b/vehicle.h
@@ -57,6 +57,8 @@ typedef struct VehicleRail {
 	uint16 cached_max_speed;  // max speed of the consist. (minimum of the max speed of all vehicles in the consist)
 	uint32 cached_power;      // total power of the consist.
 	uint8 cached_veh_length;  // length of this vehicle in units of 1/8 of normal length, cached because this can be set by a callback
+	uint16 cached_total_length; ///< Length of the whole train, valid only for first engine.
+
 	// cached values, recalculated when the cargo on a train changes (in addition to the conditions above)
 	uint16 cached_weight;     // total weight of the consist.
 	uint16 cached_veh_weight; // weight of the vehicle.