--- a/src/tunnelbridge_cmd.cpp	Sun Aug 19 14:04:13 2007 +0000
+++ b/src/tunnelbridge_cmd.cpp	Sun Sep 02 11:17:33 2007 +0000
@@ -250,16 +250,10 @@
 	tileh_end = GetTileSlope(tile_end, &z_end);
 
 	if (IsSteepSlope(tileh_start)) z_start += TILE_HEIGHT;
-	if (HASBIT(BRIDGE_FULL_LEVELED_FOUNDATION, tileh_start)) {
-		z_start += TILE_HEIGHT;
-		tileh_start = SLOPE_FLAT;
-	}
+	if (HASBIT(BRIDGE_FULL_LEVELED_FOUNDATION, tileh_start)) z_start += TILE_HEIGHT;
 
 	if (IsSteepSlope(tileh_end)) z_end += TILE_HEIGHT;
-	if (HASBIT(BRIDGE_FULL_LEVELED_FOUNDATION, tileh_end)) {
-		z_end += TILE_HEIGHT;
-		tileh_end = SLOPE_FLAT;
-	}
+	if (HASBIT(BRIDGE_FULL_LEVELED_FOUNDATION, tileh_end)) z_end += TILE_HEIGHT;
 
 	if (z_start != z_end) return_cmd_error(STR_5009_LEVEL_LAND_OR_WATER_REQUIRED);
 
@@ -929,7 +923,7 @@
 				static const SpriteID tunnel_sprites[2][4] = { { 28, 78, 79, 27 }, {  5, 76, 77,  4 } };
 
 				DrawGroundSprite(SPR_TRAMWAY_BASE + tunnel_sprites[rts - ROADTYPES_TRAM][dir], PAL_NONE);
-				AddSortableSpriteToDraw(SPR_TRAMWAY_TUNNEL_WIRES + dir, PAL_NONE, ti->x, ti->y, 16, 16, 16, (byte)ti->z);
+				AddSortableSpriteToDraw(SPR_TRAMWAY_TUNNEL_WIRES + dir, PAL_NONE, ti->x, ti->y, 16, 16, 16, (byte)ti->z, HASBIT(_transparent_opt, TO_BUILDINGS));
 			}
 		} else if (GetRailType(ti->tile) == RAILTYPE_ELECTRIC) {
 			DrawCatenary(ti);
@@ -1420,6 +1414,11 @@
 	return VETSB_CONTINUE;
 }
 
+static CommandCost TerraformTile_TunnelBridge(TileIndex tile, uint32 flags, uint z_new, Slope tileh_new)
+{
+	return DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
+}
+
 extern const TileTypeProcs _tile_type_tunnelbridge_procs = {
 	DrawTile_TunnelBridge,           /* draw_tile_proc */
 	GetSlopeZ_TunnelBridge,          /* get_slope_z_proc */
@@ -1434,4 +1433,5 @@
 	NULL,                            /* get_produced_cargo_proc */
 	VehicleEnter_TunnelBridge,       /* vehicle_enter_tile_proc */
 	GetFoundation_TunnelBridge,      /* get_foundation_proc */
+	TerraformTile_TunnelBridge,      /* terraform_tile_proc */
 };