diff --git a/data/json/mapgen/speedway.json b/data/json/mapgen/speedway.json
index f77d4162f48af..344380b065a16 100644
--- a/data/json/mapgen/speedway.json
+++ b/data/json/mapgen/speedway.json
@@ -923,5 +923,39 @@
       "palettes": [ "roof_palette" ],
       "terrain": { ".": "t_tile_flat_roof", "|": "t_wall_metal" }
     }
+  },
+  {
+    "type": "mapgen",
+    "method": "json",
+    "om_terrain": [ "speedway_6_7_3" ],
+    "object": {
+      "rows": [
+        "                        ",
+        "                        ",
+        "                        ",
+        "                        ",
+        "                        ",
+        "              ---       ",
+        "              -.-       ",
+        "              ---       ",
+        "                        ",
+        "                        ",
+        "                        ",
+        "                        ",
+        "                        ",
+        "                        ",
+        "                        ",
+        "                        ",
+        "                        ",
+        "                        ",
+        "                        ",
+        "                        ",
+        "                        ",
+        "                        ",
+        "                        ",
+        "                        "
+      ],
+      "palettes": [ "roof_palette" ]
+    }
   }
 ]
diff --git a/data/json/overmap/overmap_special/specials.json b/data/json/overmap/overmap_special/specials.json
index 88789000aa3e1..50c9521366571 100644
--- a/data/json/overmap/overmap_special/specials.json
+++ b/data/json/overmap/overmap_special/specials.json
@@ -6677,6 +6677,7 @@
       { "point": [ 5, 7, 1 ], "overmap": "speedway_5_7_1_north" },
       { "point": [ 6, 7, 1 ], "overmap": "speedway_6_7_1_north" },
       { "point": [ 6, 7, 2 ], "overmap": "speedway_6_7_2_north" },
+      { "point": [ 6, 7, 3 ], "overmap": "speedway_6_7_3_north" },
       { "point": [ 5, 10, 0 ], "locations": [ "land", "road" ] }
     ],
     "occurrences": [ 50, 100 ],
diff --git a/data/json/overmap/overmap_terrain/overmap_terrain_speedway.json b/data/json/overmap/overmap_terrain/overmap_terrain_speedway.json
index b222ab42f7350..ec98e9fa35181 100644
--- a/data/json/overmap/overmap_terrain/overmap_terrain_speedway.json
+++ b/data/json/overmap/overmap_terrain/overmap_terrain_speedway.json
@@ -232,7 +232,7 @@
   },
   {
     "type": "overmap_terrain",
-    "id": [ "speedway_6_7_1", "speedway_6_7_2" ],
+    "id": [ "speedway_6_7_1", "speedway_6_7_2", "speedway_6_7_3" ],
     "copy-from": "generic_city_building_no_sidewalk",
     "name": "announcer station",
     "sym": "─",