diff --git a/descriptor/reader/roadsign_reader.cc b/descriptor/reader/roadsign_reader.cc
index ed4883f1..a2819571 100644
--- a/descriptor/reader/roadsign_reader.cc
+++ b/descriptor/reader/roadsign_reader.cc
@@ -43,8 +43,19 @@ obj_desc_t * roadsign_reader_t::read_node(FILE *fp, obj_node_info_t &node)
 	const uint16 v = decode_uint16(p);
 	const int version = v & 0x8000 ? v & 0x7FFF : 0;
 
-	if(version==4) {
-		// Versioned node, version 3
+  if(version==5) {
+    // Versioned node, version 5
+		desc->min_speed = kmh_to_speed(decode_uint16(p));
+		desc->price = decode_uint32(p);
+		desc->flags = decode_uint8(p);
+		desc->offset_left = decode_sint8(p);
+		desc->wtyp = decode_uint8(p);
+    desc->use_frontImage = decode_uint8(p);
+		desc->intro_date = decode_uint16(p);
+		desc->retire_date = decode_uint16(p);
+  }
+	else if(version==4) {
+		// Versioned node, version 4
 		desc->min_speed = kmh_to_speed(decode_uint16(p));
 		desc->price = decode_uint32(p);
 		desc->flags = decode_uint8(p);
@@ -87,6 +98,10 @@ obj_desc_t * roadsign_reader_t::read_node(FILE *fp, obj_node_info_t &node)
 		dbg->fatal("roadsign_reader_t::read_node()","version 0 not supported. File corrupt?");
 	}
 
+  if(  version<=4  ) {
+    desc->use_frontImage = false;
+  }
+
 	if(  version<=3  &&  (  desc->is_choose_sign() ||  desc->is_private_way()  )  &&  desc->get_waytype() == road_wt  ) {
 		// do not shift these signs to the left for compatibility
 		desc->offset_left = 0;
diff --git a/descriptor/roadsign_desc.h b/descriptor/roadsign_desc.h
index 0bf32f8f..6a3d57f4 100644
--- a/descriptor/roadsign_desc.h
+++ b/descriptor/roadsign_desc.h
@@ -40,6 +40,8 @@ private:
 
 	uint16 min_speed;	// 0 = no min speed
 
+	bool use_frontImage;
+
 public:
 	enum types {
 		NONE                  = 0,
@@ -53,15 +55,22 @@ public:
 		END_OF_CHOOSE_AREA    = 1U << 7
 	};
 
-	image_id get_image_id(ribi_t::dir dir) const
+	image_id get_image_id(ribi_t::dir dir, bool front = false) const
 	{
-		image_t const* const image = get_child<image_list_t>(2)->get_image(dir);
+		image_t const* image;
+		if(  !front  ) {
+			image = get_child<image_list_t>(2)->get_image(dir);
+		} else if(  use_frontImage  ) {
+			image = get_child<image_list_t>(3)->get_image(dir);
+		} else {
+			image = NULL;
+		}
 		return image != NULL ? image->get_id() : IMG_EMPTY;
 	}
 
 	uint16 get_count() const { return get_child<image_list_t>(2)->get_count(); }
 
-	skin_desc_t const* get_cursor() const { return get_child<skin_desc_t>(3); }
+	skin_desc_t const* get_cursor() const { return get_child<skin_desc_t>(use_frontImage?4:3); }
 
 	uint16 get_min_speed() const { return min_speed; }
 
@@ -94,6 +103,8 @@ public:
 
 	sint8 get_offset_left() const { return offset_left; }
 
+	bool does_use_frontImage() const { return use_frontImage; }
+
 	void calc_checksum(checksum_t *chk) const
 	{
 		obj_desc_transport_infrastructure_t::calc_checksum(chk);
diff --git a/descriptor/writer/roadsign_writer.cc b/descriptor/writer/roadsign_writer.cc
index b46069a3..a40055f4 100644
--- a/descriptor/writer/roadsign_writer.cc
+++ b/descriptor/writer/roadsign_writer.cc
@@ -12,7 +12,7 @@ using std::string;
 
 void roadsign_writer_t::write_obj(FILE* fp, obj_node_t& parent, tabfileobj_t& obj)
 {
-	obj_node_t node(this, 15, &parent);
+	obj_node_t node(this, 16, &parent);
 
 	uint32                 const price       = obj.get_int("cost",        500) * 100;
 	uint16                 const min_speed   = obj.get_int("min_speed",     0);
@@ -28,27 +28,34 @@ void roadsign_writer_t::write_obj(FILE* fp, obj_node_t& parent, tabfileobj_t& ob
 		(obj.get_int("is_longblocksignal", 0) > 0 ? roadsign_desc_t::SIGN_LONGBLOCK_SIGNAL : roadsign_desc_t::NONE) |
 		(obj.get_int("end_of_choose",      0) > 0 ? roadsign_desc_t::END_OF_CHOOSE_AREA    : roadsign_desc_t::NONE);
 
+	string str = obj.get("frontimage[0]");
+	uint8 use_frontImage;
+	if(str.empty()  &&  (flags&roadsign_desc_t::ONLY_BACKIMAGE)==0) {
+		use_frontImage = 0;
+	} else {
+		use_frontImage = 1;
+	}
 	// Hajo: write version data
-	node.write_uint16(fp, 0x8004,      0); // version 4
-	node.write_uint16(fp, min_speed,   2);
-	node.write_uint32(fp, price,       4);
-	node.write_uint8 (fp, flags,       8);
-	node.write_uint8 (fp, offset_left, 9);
-	node.write_uint8 (fp, wtyp,       10);
+	node.write_uint16(fp, 0x8005,         0); // version 5
+	node.write_uint16(fp, min_speed,      2);
+	node.write_uint32(fp, price,          4);
+	node.write_uint8 (fp, flags,          8);
+	node.write_uint8 (fp, offset_left,    9);
+	node.write_uint8 (fp, wtyp,          10);
+	node.write_uint8 (fp, use_frontImage,11);
 
 	uint16 intro_date = obj.get_int("intro_year", DEFAULT_INTRO_DATE) * 12;
 	intro_date += obj.get_int("intro_month", 1) - 1;
-	node.write_uint16(fp, intro_date, 11);
+	node.write_uint16(fp, intro_date, 12);
 
 	uint16 retire_date = obj.get_int("retire_year", DEFAULT_RETIRE_DATE) * 12;
 	retire_date += obj.get_int("retire_month", 1) - 1;
-	node.write_uint16(fp, retire_date, 13);
+	node.write_uint16(fp, retire_date, 14);
 
 	write_head(fp, node, obj);
 
 	// add the images
-	slist_tpl<string> keys;
-	string str;
+	slist_tpl<string> keys, front_keys;
 
 	for (int i = 0; i < 24; i++) {
 		char buf[40];
@@ -57,11 +64,26 @@ void roadsign_writer_t::write_obj(FILE* fp, obj_node_t& parent, tabfileobj_t& ob
 		str = obj.get(buf);
 		// make sure, there are always 4, 8, 12, ... images (for all directions)
 		if (str.empty() && i % 4 == 0) {
-			break;
+			sprintf(buf, "frontimage[%i]", i);
+			str = obj.get(buf);
+			if(str.empty()) {
+				break;
+			}
+			sprintf(buf, "image[%i]", i);
+			str = obj.get(buf);
 		}
 		keys.append(str);
+
+		if(  use_frontImage  ) {
+			sprintf(buf, "frontimage[%i]", i);
+			str = obj.get(buf);
+			front_keys.append(str);
+		}
 	}
 	imagelist_writer_t::instance()->write_obj(fp, node, keys);
+	if(  use_frontImage  ) {
+		imagelist_writer_t::instance()->write_obj(fp, node, front_keys);
+	}
 
 	// probably add some icons, if defined
 	slist_tpl<string> cursorkeys;
diff --git a/obj/roadsign.cc b/obj/roadsign.cc
index 3dcdcdd1..037638c5 100644
--- a/obj/roadsign.cc
+++ b/obj/roadsign.cc
@@ -223,6 +223,8 @@ void roadsign_t::calc_image()
 	after_xoffset = 0;
 	after_yoffset = 0;
 	sint8 xoff = 0, yoff = 0;
+	image2 = IMG_EMPTY;
+	foreground_image2 = IMG_EMPTY;
 	// left offsets defined, and image-on-the-left activated
 	const bool left_offsets = desc->get_offset_left()  &&
 	    (     (desc->get_wtyp()==road_wt  &&  welt->get_settings().is_drive_left()  )
@@ -241,6 +243,7 @@ void roadsign_t::calc_image()
 			image += 2;
 		}
 		set_image( desc->get_image_id(image) );
+		foreground_image = desc->get_image_id(image,true);
 		set_yoff( 0 );
 		if(  hang_diff  ) {
 				set_yoff( -(TILE_HEIGHT_STEP*hang_diff)/2 );
@@ -248,7 +251,6 @@ void roadsign_t::calc_image()
 		else {
 			set_yoff( -gr->get_weg_yoff() );
 		}
-		foreground_image = IMG_EMPTY;
 		return;
 	}
 
@@ -295,37 +297,43 @@ void roadsign_t::calc_image()
 
 			if(temp_dir&ribi_t::east) {
 				tmp_image = desc->get_image_id(3);
+				foreground_image = desc->get_image_id(3,true);
 				xoff += XOFF;
 				yoff += -YOFF;
 			}
 
 			if(temp_dir&ribi_t::north) {
 				if(tmp_image!=IMG_EMPTY) {
-					foreground_image = desc->get_image_id(0);
+					image2 = desc->does_use_frontImage() ? desc->get_image_id(0) : IMG_EMPTY;
+					foreground_image2 = desc->does_use_frontImage() ? desc->get_image_id(0,true) : desc->get_image_id(0);
 					after_xoffset += -XOFF;
 					after_yoffset += -YOFF;
 				}
 				else {
 					tmp_image = desc->get_image_id(0);
+					foreground_image = desc->get_image_id(0,true);
 					xoff += -XOFF;
 					yoff += -YOFF;
 				}
 			}
 
 			if(temp_dir&ribi_t::west) {
-				foreground_image = desc->get_image_id(2);
+				image2 = desc->does_use_frontImage() ? desc->get_image_id(2) : IMG_EMPTY;
+				foreground_image2 = desc->does_use_frontImage() ? desc->get_image_id(2,true) : desc->get_image_id(2);
 				after_xoffset += -XOFF;
 				after_yoffset += YOFF;
 			}
 
 			if(temp_dir&ribi_t::south) {
-				if(foreground_image!=IMG_EMPTY) {
+				if(foreground_image2!=IMG_EMPTY) {
 					tmp_image = desc->get_image_id(1);
+					foreground_image = desc->get_image_id(1,true);
 					xoff += XOFF;
 					yoff += YOFF;
 				}
 				else {
-					foreground_image = desc->get_image_id(1);
+					image2 = desc->does_use_frontImage() ? desc->get_image_id(1) : IMG_EMPTY;
+					foreground_image2 = desc->does_use_frontImage() ? desc->get_image_id(1,true) : desc->get_image_id(1);
 					after_xoffset += XOFF;
 					after_yoffset += YOFF;
 				}
@@ -334,38 +342,48 @@ void roadsign_t::calc_image()
 		else {
 
 			if(temp_dir&ribi_t::east) {
-				foreground_image = desc->get_image_id(3);
+				image2 = desc->does_use_frontImage() ? desc->get_image_id(3) : IMG_EMPTY;
+				foreground_image2 = desc->does_use_frontImage() ? desc->get_image_id(3,true) : desc->get_image_id(3);
 			}
 
 			if(temp_dir&ribi_t::north) {
-				if(foreground_image!=IMG_EMPTY) {
+				if(foreground_image2!=IMG_EMPTY) {
 					tmp_image = desc->get_image_id(0);
+					foreground_image = desc->get_image_id(0,true);
 				}
 				else {
-					foreground_image = desc->get_image_id(0);
+					image2 = desc->does_use_frontImage() ? desc->get_image_id(0) : IMG_EMPTY;
+					foreground_image2 = desc->does_use_frontImage() ? desc->get_image_id(0,true) : desc->get_image_id(0);
 				}
 			}
 
 			if(temp_dir&ribi_t::west) {
 				tmp_image = desc->get_image_id(2);
+				foreground_image = desc->get_image_id(2,true);
 			}
 
 			if(temp_dir&ribi_t::south) {
 				if(tmp_image!=IMG_EMPTY) {
-					foreground_image = desc->get_image_id(1);
+					image2 = desc->does_use_frontImage() ? desc->get_image_id(1) : IMG_EMPTY;
+					foreground_image2 = desc->does_use_frontImage() ? desc->get_image_id(1,true) : desc->get_image_id(1);
 				}
 				else {
 					tmp_image = desc->get_image_id(1);
+					foreground_image = desc->get_image_id(1,true);
 				}
 			}
 		}
 
 		// some signs on roads must not have a background (but then they have only two rotations)
 		if(  desc->get_flags()&roadsign_desc_t::ONLY_BACKIMAGE  ) {
-			if(foreground_image!=IMG_EMPTY) {
-				tmp_image = foreground_image;
+			if(desc->does_use_frontImage()) {
+				if(foreground_image2!=IMG_EMPTY) {
+					tmp_image = foreground_image2;
+				}
+				foreground_image2 = IMG_EMPTY;
+			} else {
+				// do nothing.
 			}
-			foreground_image = IMG_EMPTY;
 		}
 	}
 	else {
@@ -382,18 +400,21 @@ void roadsign_t::calc_image()
 
 				if(weg_dir&ribi_t::north) {
 					if(weg_dir&ribi_t::east) {
-						foreground_image = desc->get_image_id(6+direction*8);
+						image2 = desc->does_use_frontImage() ? desc->get_image_id(6+direction*8) : IMG_EMPTY;
+						foreground_image2 = desc->does_use_frontImage() ? desc->get_image_id(6+direction*8,true) : desc->get_image_id(6+direction*8);
 						after_xoffset += 0;
 						after_yoffset += 0;
 					}
 					else {
-						foreground_image = desc->get_image_id(1+direction*8);
+						image2 = desc->does_use_frontImage() ? desc->get_image_id(1+direction*8) : IMG_EMPTY;
+						foreground_image2 = desc->does_use_frontImage() ? desc->get_image_id(1+direction*8,true) : desc->get_image_id(1+direction*8);
 						after_xoffset += XOFF;
 						after_yoffset += YOFF;
 					}
 				}
 				else if(weg_dir&ribi_t::east) {
-					foreground_image = desc->get_image_id(2+direction*8);
+					image2 = desc->does_use_frontImage() ? desc->get_image_id(2+direction*8) : IMG_EMPTY;
+					foreground_image2 = desc->does_use_frontImage() ? desc->get_image_id(2+direction*8,true) : desc->get_image_id(2+direction*8);
 					after_xoffset += -XOFF;
 					after_yoffset += YOFF;
 				}
@@ -401,17 +422,20 @@ void roadsign_t::calc_image()
 				if(weg_dir&ribi_t::west) {
 					if(weg_dir&ribi_t::south) {
 						tmp_image = desc->get_image_id(7+direction*8);
+						foreground_image = desc->get_image_id(7+direction*8,true);
 						xoff += 0;
 						yoff += 0;
 					}
 					else {
 						tmp_image = desc->get_image_id(3+direction*8);
+						foreground_image = desc->get_image_id(3+direction*8,true);
 						xoff += XOFF;
 						yoff += -YOFF;
 					}
 				}
 				else if(weg_dir&ribi_t::south) {
 					tmp_image = desc->get_image_id(0+direction*8);
+					foreground_image = desc->get_image_id(0+direction*8,true);
 					xoff += -XOFF;
 					yoff += -YOFF;
 				}
@@ -420,26 +444,32 @@ void roadsign_t::calc_image()
 				// drive right ...
 				if(weg_dir&ribi_t::south) {
 					if(weg_dir&ribi_t::east) {
-						foreground_image = desc->get_image_id(4+direction*8);
+						image2 = desc->does_use_frontImage() ? desc->get_image_id(4+direction*8) : IMG_EMPTY;
+						foreground_image2 = desc->does_use_frontImage() ? desc->get_image_id(4+direction*8,true) : desc->get_image_id(4+direction*8);
 					}
 					else {
-						foreground_image = desc->get_image_id(0+direction*8);
+						image2 = desc->does_use_frontImage() ? desc->get_image_id(0+direction*8) : IMG_EMPTY;
+						foreground_image2 = desc->does_use_frontImage() ? desc->get_image_id(0+direction*8,true) : desc->get_image_id(0+direction*8);
 					}
 				}
 				else if(weg_dir&ribi_t::east) {
-					foreground_image = desc->get_image_id(2+direction*8);
+					image2 = desc->does_use_frontImage() ? desc->get_image_id(2+direction*8) : IMG_EMPTY;
+					foreground_image2 = desc->does_use_frontImage() ? desc->get_image_id(2+direction*8,true) : desc->get_image_id(2+direction*8);
 				}
 
 				if(weg_dir&ribi_t::west) {
 					if(weg_dir&ribi_t::north) {
 						tmp_image = desc->get_image_id(5+direction*8);
+						foreground_image = desc->get_image_id(5+direction*8,true);
 					}
 					else {
 						tmp_image = desc->get_image_id(3+direction*8);
+						foreground_image = desc->get_image_id(3+direction*8,true);
 					}
 				}
 				else if(weg_dir&ribi_t::north) {
 					tmp_image = desc->get_image_id(1+direction*8);
+					foreground_image = desc->get_image_id(1+direction*8,true);
 				}
 			}
 
@@ -499,6 +529,33 @@ void roadsign_t::rotate90()
 	dir = ribi_t::rotate90( dir );
 }
 
+void roadsign_t::display(int xpos, int ypos  CLIP_NUM_DEF) const
+{
+	if(  image!=IMG_EMPTY  ||  image2!=IMG_EMPTY  ) {
+		const int raster_width = get_current_tile_raster_width();
+
+		const int x1 = xpos + tile_raster_scale_x(get_xoff(), raster_width);
+		const int y1 = ypos + tile_raster_scale_y(get_yoff(), raster_width);
+		const int x2 = xpos + tile_raster_scale_x(after_xoffset, raster_width);
+		const int y2 = ypos + tile_raster_scale_y(after_yoffset, raster_width);
+
+		if(  get_player_nr() != PLAYER_UNOWNED  ) {
+			if(  obj_t::show_owner  ) {
+				display_blend( image, x1, y1, 0, color_idx_to_rgb(get_owner()->get_player_color1()+2) | OUTLINE_FLAG | TRANSPARENT75_FLAG, 0, dirty  CLIP_NUM_PAR);
+				display_blend( image2, x2, y2, 0, color_idx_to_rgb(get_owner()->get_player_color1()+2) | OUTLINE_FLAG | TRANSPARENT75_FLAG, 0, dirty  CLIP_NUM_PAR);
+			}
+			else {
+				display_color( image, x1, y1, get_player_nr(), true, get_flag(obj_t::dirty)  CLIP_NUM_PAR);
+				display_color( image2, x2, y2, get_player_nr(), true, get_flag(obj_t::dirty)  CLIP_NUM_PAR);
+			}
+		}
+		else {
+			display_normal( image, x1, y1, 0, true, get_flag(obj_t::dirty)  CLIP_NUM_PAR);
+			display_normal( image2, x2, y2, 0, true, get_flag(obj_t::dirty)  CLIP_NUM_PAR);
+		}
+	}
+}
+
 
 // to correct offset on slopes
 #ifdef MULTI_THREAD
@@ -507,21 +564,26 @@ void roadsign_t::display_after(int xpos, int ypos, const sint8 clip_num ) const
 void roadsign_t::display_after(int xpos, int ypos, bool ) const
 #endif
 {
-	if(  foreground_image != IMG_EMPTY  ) {
+	if(  foreground_image != IMG_EMPTY  ||  foreground_image2 != IMG_EMPTY  ) {
 		const int raster_width = get_current_tile_raster_width();
-		xpos += tile_raster_scale_x( after_xoffset, raster_width );
-		ypos += tile_raster_scale_y( after_yoffset, raster_width );
+		const int x1 = xpos + tile_raster_scale_x(get_xoff(), raster_width);
+		const int y1 = ypos + tile_raster_scale_y(get_yoff(), raster_width);
+		const int x2 = xpos + tile_raster_scale_x(after_xoffset, raster_width);
+		const int y2 = ypos + tile_raster_scale_y(after_yoffset, raster_width);
 		// draw with owner
 		if(  get_player_nr() != PLAYER_UNOWNED  ) {
 			if(  obj_t::show_owner  ) {
-				display_blend( foreground_image, xpos, ypos, 0, color_idx_to_rgb(get_owner()->get_player_color1()+2) | OUTLINE_FLAG | TRANSPARENT75_FLAG, 0, dirty  CLIP_NUM_PAR);
+				display_blend( foreground_image, x1, y1, 0, color_idx_to_rgb(get_owner()->get_player_color1()+2) | OUTLINE_FLAG | TRANSPARENT75_FLAG, 0, dirty  CLIP_NUM_PAR);
+				display_blend( foreground_image2, x2, y2, 0, color_idx_to_rgb(get_owner()->get_player_color1()+2) | OUTLINE_FLAG | TRANSPARENT75_FLAG, 0, dirty  CLIP_NUM_PAR);
 			}
 			else {
-				display_color( foreground_image, xpos, ypos, get_player_nr(), true, get_flag(obj_t::dirty)  CLIP_NUM_PAR);
+				display_color( foreground_image, x1, y1, get_player_nr(), true, get_flag(obj_t::dirty)  CLIP_NUM_PAR);
+				display_color( foreground_image2, x2, y2, get_player_nr(), true, get_flag(obj_t::dirty)  CLIP_NUM_PAR);
 			}
 		}
 		else {
-			display_normal( foreground_image, xpos, ypos, 0, true, get_flag(obj_t::dirty)  CLIP_NUM_PAR);
+			display_normal( foreground_image, x1, y1, 0, true, get_flag(obj_t::dirty)  CLIP_NUM_PAR);
+			display_normal( foreground_image2, x2, y2, 0, true, get_flag(obj_t::dirty)  CLIP_NUM_PAR);
 		}
 	}
 }
diff --git a/obj/roadsign.h b/obj/roadsign.h
index 951f28a4..4389a17b 100644
--- a/obj/roadsign.h
+++ b/obj/roadsign.h
@@ -25,7 +25,9 @@ class roadsign_t : public obj_t, public sync_steppable
 {
 protected:
 	image_id image;
+	image_id image2;
 	image_id foreground_image;
+	image_id foreground_image2;
 
 	enum { SHOW_FONT=1, SHOW_BACK=2, SWITCH_AUTOMATIC=16 };
 
@@ -122,6 +124,11 @@ public:
 	image_id get_front_image() const { return foreground_image; }
 
 	/**
+	 * Draw background image of object
+	 */
+	void display(int xpos, int ypos  CLIP_NUM_DEF) const;
+
+	/**
 	* draw the part overlapping the vehicles
 	* (needed to get the right offset even on hills)
 	* @author V. Meyer
diff --git a/obj/signal.cc b/obj/signal.cc
index ff06e67c..e9338c2d 100644
--- a/obj/signal.cc
+++ b/obj/signal.cc
@@ -50,6 +50,8 @@ void signal_t::calc_image()
 {
 	foreground_image = IMG_EMPTY;
 	image_id image = IMG_EMPTY;
+	image2 = IMG_EMPTY;
+	foreground_image2 = IMG_EMPTY;
 
 	after_xoffset = 0;
 	after_yoffset = 0;
@@ -112,37 +114,43 @@ void signal_t::calc_image()
 
 				if(temp_dir&ribi_t::east) {
 					image = desc->get_image_id(3+state*4+offset);
+					foreground_image = desc->get_image_id(3+state*4+offset,true);
 					xoff += XOFF;
 					yoff += -YOFF;
 				}
 
 				if(temp_dir&ribi_t::north) {
 					if(image!=IMG_EMPTY) {
-						foreground_image = desc->get_image_id(0+state*4+offset);
+						image2 = desc->does_use_frontImage() ? desc->get_image_id(0+state*4+offset) : IMG_EMPTY;
+						foreground_image2 = desc->does_use_frontImage() ? desc->get_image_id(0+state*4+offset,true) : desc->get_image_id(0+state*4+offset);
 						after_xoffset += -XOFF;
 						after_yoffset += -YOFF;
 					}
 					else {
 						image = desc->get_image_id(0+state*4+offset);
+						foreground_image = desc->get_image_id(0+state*4+offset,true);
 						xoff += -XOFF;
 						yoff += -YOFF;
 					}
 				}
 
 				if(temp_dir&ribi_t::west) {
-					foreground_image = desc->get_image_id(2+state*4+offset);
+					image2 = desc->does_use_frontImage() ? desc->get_image_id(2+state*4+offset) : IMG_EMPTY;
+					foreground_image2 = desc->does_use_frontImage() ? desc->get_image_id(2+state*4+offset,true) : desc->get_image_id(2+state*4+offset);
 					after_xoffset += -XOFF;
 					after_yoffset += YOFF;
 				}
 
 				if(temp_dir&ribi_t::south) {
-					if(foreground_image!=IMG_EMPTY) {
+					if(foreground_image2!=IMG_EMPTY) {
 						image = desc->get_image_id(1+state*4+offset);
+						foreground_image = desc->get_image_id(1+state*4+offset,true);
 						xoff += XOFF;
 						yoff += YOFF;
 					}
 					else {
-						foreground_image = desc->get_image_id(1+state*4+offset);
+						image2 = desc->does_use_frontImage() ? desc->get_image_id(1+state*4+offset) : IMG_EMPTY;
+						foreground_image2 = desc->does_use_frontImage() ? desc->get_image_id(1+state*4+offset,true) : desc->get_image_id(1+state*4+offset);
 						after_xoffset += XOFF;
 						after_yoffset += YOFF;
 					}
@@ -150,28 +158,34 @@ void signal_t::calc_image()
 			}
 			else {
 				if(temp_dir&ribi_t::east) {
-					foreground_image = desc->get_image_id(3+state*4+offset);
+					image2 = desc->does_use_frontImage() ? desc->get_image_id(3+state*4+offset) : IMG_EMPTY;
+					foreground_image2 = desc->does_use_frontImage() ? desc->get_image_id(3+state*4+offset,true) : desc->get_image_id(3+state*4+offset);
 				}
 
 				if(temp_dir&ribi_t::north) {
-					if(foreground_image==IMG_EMPTY) {
-						foreground_image = desc->get_image_id(0+state*4+offset);
+					if(foreground_image2==IMG_EMPTY) {
+						image2 = desc->does_use_frontImage() ? desc->get_image_id(0+state*4+offset) : IMG_EMPTY;
+						foreground_image2 = desc->does_use_frontImage() ? desc->get_image_id(0+state*4+offset,true) : desc->get_image_id(0+state*4+offset);
 					}
 					else {
 						image = desc->get_image_id(0+state*4+offset);
+						foreground_image = desc->get_image_id(0+state*4+offset,true);
 					}
 				}
 
 				if(temp_dir&ribi_t::west) {
 					image = desc->get_image_id(2+state*4+offset);
+					foreground_image = desc->get_image_id(2+state*4+offset,true);
 				}
 
 				if(temp_dir&ribi_t::south) {
 					if(image==IMG_EMPTY) {
 						image = desc->get_image_id(1+state*4+offset);
+						foreground_image = desc->get_image_id(1+state*4+offset,true);
 					}
 					else {
-						foreground_image = desc->get_image_id(1+state*4+offset);
+						image2 = desc->does_use_frontImage() ? desc->get_image_id(1+state*4+offset) : IMG_EMPTY;
+						foreground_image2 = desc->does_use_frontImage() ? desc->get_image_id(1+state*4+offset,true) : desc->get_image_id(1+state*4+offset);
 					}
 				}
 			}
diff --git a/simobj.h b/simobj.h
index c237f8d0..514f0131 100644
--- a/simobj.h
+++ b/simobj.h
@@ -320,7 +320,7 @@ public:
 	 * Draw background image of object
 	 * (everything that could be potentially behind vehicles)
 	 */
-	void display(int xpos, int ypos  CLIP_NUM_DEF) const;
+	virtual void display(int xpos, int ypos  CLIP_NUM_DEF) const;
 
 	/**
 	 * Draw foreground image