+       if (e->u.rail.running_cost_class == INVALID_PRICE) {
+           const Train *a = v;
+
+           do {
+               cost += a->purchase_cost_or_what_is_called / 8;
+               a = a->HasArticulatedPart() ? a->GetNextArticulatedPart() : NULL;
+           } while (a != NULL);
+           continue;
+       }