Index: obj/wayobj.cc
===================================================================
--- obj/wayobj.cc	(リビジョン 8163)
+++ obj/wayobj.cc	(作業コピー)
@@ -332,13 +332,13 @@
 
 /* better use this constrcutor for new wayobj; it will extend a matching obj or make an new one
  */
-void wayobj_t::extend_wayobj_t(koord3d pos, player_t *owner, ribi_t::ribi dir, const way_obj_desc_t *desc)
+void wayobj_t::extend_wayobj_t(koord3d pos, player_t *owner, ribi_t::ribi dir, const way_obj_desc_t *desc, bool keep_existing_faster_way)
 {
 	grund_t *gr=welt->lookup(pos);
 	if(gr) {
 		wayobj_t *existing_wayobj = gr->get_wayobj( desc->get_wtyp() );
 		if( existing_wayobj ) {
-			if(  existing_wayobj->get_desc()->get_topspeed() < desc->get_topspeed()  &&  player_t::check_owner(owner, existing_wayobj->get_owner())  ) {
+			if(  ( existing_wayobj->get_desc()->get_topspeed() < desc->get_topspeed()  ||  !keep_existing_faster_way)  &&  player_t::check_owner(owner, existing_wayobj->get_owner())  ) {
 				// replace slower by faster
 				dir = dir | existing_wayobj->get_dir();
 				gr->set_flag(grund_t::dirty);
Index: obj/wayobj.h
===================================================================
--- obj/wayobj.h	(リビジョン 8163)
+++ obj/wayobj.h	(作業コピー)
@@ -115,7 +115,7 @@
 	static const way_obj_desc_t *default_oberleitung;
 
 	// use this constructor; it will extend a matching existing wayobj
-	static void extend_wayobj_t(koord3d pos, player_t *owner, ribi_t::ribi dir, const way_obj_desc_t *desc);
+	static void extend_wayobj_t(koord3d pos, player_t *owner, ribi_t::ribi dir, const way_obj_desc_t *desc, bool keep_existing_faster_way);
 
 	static bool register_desc(way_obj_desc_t *desc);
 	static bool successfully_loaded();
Index: simtool.cc
===================================================================
--- simtool.cc	(リビジョン 8163)
+++ simtool.cc	(作業コピー)
@@ -3434,11 +3434,13 @@
 		return "Ways not connected";
 	}
 
+	bool keep_existing_faster_ways = !is_ctrl_pressed();
+
 	// built wayobj ...
 	koord3d_vector_t const& r = verbindung.get_route();
 	for(uint32 i=0;  i<verbindung.get_count();  i++  ) {
 		if( build ) {
-			wayobj_t::extend_wayobj_t(r[i], player, r.get_ribi(i), desc);
+			wayobj_t::extend_wayobj_t(r[i], player, r.get_ribi(i), desc, keep_existing_faster_ways);
 		}
 		else {
 			grund_t *gr = welt->lookup(r[i]);