diff --git a/comparators/added_ref_tag.js b/comparators/added_ref_tag.js
new file mode 100644
index 0000000..1533d9d
--- /dev/null
+++ b/comparators/added_ref_tag.js
@@ -0,0 +1,21 @@
+'use strict';
+
+module.exports = addedPlace;
+
+function addedPlace(newVersion, oldVersion) {
+  if (newVersion.deleted) {
+    return false;
+  }
+  if (oldVersion) {
+    if (
+      'ref' in newVersion.properties &&
+      !('ref' in oldVersion.properties) &&
+      ('highway' in newVersion.properties ||
+        ('route' in newVersion.properties &&
+          newVersion.properties.route === 'road'))
+    ) {
+      return {'result:added_ref_tag': true};
+    }
+  }
+  return false;
+}
diff --git a/comparators/deleted_ref_tag.js b/comparators/deleted_ref_tag.js
new file mode 100644
index 0000000..7450564
--- /dev/null
+++ b/comparators/deleted_ref_tag.js
@@ -0,0 +1,21 @@
+'use strict';
+
+module.exports = addedPlace;
+
+function addedPlace(newVersion, oldVersion) {
+  if (newVersion.deleted || !oldVersion) {
+    return false;
+  }
+  if (oldVersion) {
+    if (
+      'ref' in oldVersion.properties &&
+      !('ref' in newVersion.properties) &&
+      ('highway' in newVersion.properties ||
+        ('route' in newVersion.properties &&
+          newVersion.properties.route === 'road'))
+    ) {
+      return {'result:deleted_ref_tag': true};
+    }
+  }
+  return false;
+}
diff --git a/index.js b/index.js
index b3061ff..5e9cf96 100755
--- a/index.js
+++ b/index.js
@@ -28,6 +28,8 @@ module.exports = {
     require('./comparators/dragged_highway_waterway')
   ),
   added_place: wrapsync(require('./comparators/added_place')),
+  added_ref_tag: wrapsync(require('./comparators/added_ref_tag')),
+  deleted_ref_tag: wrapsync(require('./comparators/deleted_ref_tag')),
   modified_place_wikidata: wrapsync(
     require('./comparators/modified_place_wikidata')
   ),
diff --git a/tests/fixtures/added_ref_tag.json b/tests/fixtures/added_ref_tag.json
new file mode 100644
index 0000000..c199c7c
--- /dev/null
+++ b/tests/fixtures/added_ref_tag.json
@@ -0,0 +1,289 @@
+{
+  "compareFunction": "added_ref_tag",
+  "fixtures": [
+    {
+      "description": "New object with ref tag",
+      "newVersion": {
+        "type": "Feature",
+        "properties": {
+          "highway": "primary",
+          "ref": "BR-001"
+        },
+        "geometry": {
+          "type": "LineString",
+          "coordinates": [
+            [
+              83.33335071802139,
+              17.7251960851791
+            ],
+            [
+              83.33353847265244,
+              17.725829693891324
+            ],
+            [
+              83.33366185426712,
+              17.726299789230563
+            ],
+            [
+              83.33373963832855,
+              17.726568049605337
+            ]
+          ]
+        }
+      },
+      "oldVersion": null,
+      "expectedResult": false
+    },
+    {
+      "description": "Building receives ref tag",
+      "newVersion": {
+        "type": "Feature",
+        "properties": {
+          "building": "yes",
+          "ref": "BR-001"
+        },
+        "geometry": {
+          "type": "Polygon",
+          "coordinates": [
+            [
+              83.33335071802139,
+              17.7251960851791
+            ],
+            [
+              83.33353847265244,
+              17.725829693891324
+            ],
+            [
+              83.33366185426712,
+              17.726299789230563
+            ],
+            [
+              83.33373963832855,
+              17.726568049605337
+            ],
+            [
+              83.33335071802139,
+              17.7251960851791
+            ]
+          ]
+        }
+      },
+      "oldVersion": {
+        "type": "Feature",
+        "properties": {
+          "building": "yes"
+        },
+        "geometry": {
+          "type": "Polygon",
+          "coordinates": [
+            [
+              83.33335071802139,
+              17.7251960851791
+            ],
+            [
+              83.33353847265244,
+              17.725829693891324
+            ],
+            [
+              83.33366185426712,
+              17.726299789230563
+            ],
+            [
+              83.33373963832855,
+              17.726568049605337
+            ],
+            [
+              83.33335071802139,
+              17.7251960851791
+            ]
+          ]
+        }
+      },
+      "expectedResult": false
+    },
+    {
+      "description": "Route receives ref tag",
+      "newVersion": {
+        "type": "Feature",
+        "properties": {
+          "type": "route",
+          "route": "road",
+          "ref": "BR-001"
+        },
+        "geometry": {
+          "type": "LineString",
+          "coordinates": [
+            [
+              83.33335071802139,
+              17.7251960851791
+            ],
+            [
+              83.33353847265244,
+              17.725829693891324
+            ],
+            [
+              83.33366185426712,
+              17.726299789230563
+            ],
+            [
+              83.33373963832855,
+              17.726568049605337
+            ]
+          ]
+        }
+      },
+      "oldVersion": {
+        "type": "Feature",
+        "properties": {
+          "route": "road",
+          "type": "route"
+        },
+        "geometry": {
+          "type": "LineString",
+          "coordinates": [
+            [
+              83.33335071802139,
+              17.7251960851791
+            ],
+            [
+              83.33353847265244,
+              17.725829693891324
+            ],
+            [
+              83.33366185426712,
+              17.726299789230563
+            ],
+            [
+              83.33373963832855,
+              17.726568049605337
+            ]
+          ]
+        }
+      },
+      "expectedResult": {
+        "result:added_ref_tag": true
+      }
+    },
+    {
+      "description": "Existing object receives ref tag",
+      "newVersion": {
+        "type": "Feature",
+        "properties": {
+          "highway": "primary",
+          "ref": "BR-001"
+        },
+        "geometry": {
+          "type": "LineString",
+          "coordinates": [
+            [
+              83.33335071802139,
+              17.7251960851791
+            ],
+            [
+              83.33353847265244,
+              17.725829693891324
+            ],
+            [
+              83.33366185426712,
+              17.726299789230563
+            ],
+            [
+              83.33373963832855,
+              17.726568049605337
+            ]
+          ]
+        }
+      },
+      "oldVersion": {
+        "type": "Feature",
+        "properties": {
+          "highway": "primary"
+        },
+        "geometry": {
+          "type": "LineString",
+          "coordinates": [
+            [
+              83.33335071802139,
+              17.7251960851791
+            ],
+            [
+              83.33353847265244,
+              17.725829693891324
+            ],
+            [
+              83.33366185426712,
+              17.726299789230563
+            ],
+            [
+              83.33373963832855,
+              17.726568049605337
+            ]
+          ]
+        }
+      },
+      "expectedResult": {
+        "result:added_ref_tag": true
+      }
+    },
+    {
+      "description": "Changes in existing object with ref tag",
+      "newVersion": {
+        "type": "Feature",
+        "properties": {
+          "highway": "secondary",
+          "ref": "BR-001"
+        },
+        "geometry": {
+          "type": "LineString",
+          "coordinates": [
+            [
+              83.33335071802139,
+              17.7251960851791
+            ],
+            [
+              83.33353847265244,
+              17.725829693891324
+            ],
+            [
+              83.33366185426712,
+              17.726299789230563
+            ],
+            [
+              83.33373963832855,
+              17.726568049605337
+            ]
+          ]
+        }
+      },
+      "oldVersion": {
+        "type": "Feature",
+        "properties": {
+          "highway": "primary",
+          "ref": "BR-001"
+        },
+        "geometry": {
+          "type": "LineString",
+          "coordinates": [
+            [
+              83.33335071802139,
+              17.7251960851791
+            ],
+            [
+              83.33353847265244,
+              17.725829693891324
+            ],
+            [
+              83.33366185426712,
+              17.726299789230563
+            ],
+            [
+              83.33373963832855,
+              17.726568049605337
+            ]
+          ]
+        }
+      },
+      "expectedResult": false
+    }
+  ]
+}
diff --git a/tests/fixtures/deleted_ref_tag.json b/tests/fixtures/deleted_ref_tag.json
new file mode 100644
index 0000000..05b73af
--- /dev/null
+++ b/tests/fixtures/deleted_ref_tag.json
@@ -0,0 +1,288 @@
+{
+  "compareFunction": "deleted_ref_tag",
+  "fixtures": [
+    {
+      "description": "New object without ref tag",
+      "newVersion": {
+        "type": "Feature",
+        "properties": {
+          "highway": "primary"
+        },
+        "geometry": {
+          "type": "LineString",
+          "coordinates": [
+            [
+              83.33335071802139,
+              17.7251960851791
+            ],
+            [
+              83.33353847265244,
+              17.725829693891324
+            ],
+            [
+              83.33366185426712,
+              17.726299789230563
+            ],
+            [
+              83.33373963832855,
+              17.726568049605337
+            ]
+          ]
+        }
+      },
+      "oldVersion": null,
+      "expectedResult": false
+    },
+    {
+      "description": "Object loses ref tag",
+      "newVersion": {
+        "type": "Feature",
+        "properties": {
+          "highway": "primary"
+        },
+        "geometry": {
+          "type": "LineString",
+          "coordinates": [
+            [
+              83.33335071802139,
+              17.7251960851791
+            ],
+            [
+              83.33353847265244,
+              17.725829693891324
+            ],
+            [
+              83.33366185426712,
+              17.726299789230563
+            ],
+            [
+              83.33373963832855,
+              17.726568049605337
+            ]
+          ]
+        }
+      },
+      "oldVersion": {
+        "type": "Feature",
+        "properties": {
+          "highway": "primary",
+          "ref": "BR-001"
+        },
+        "geometry": {
+          "type": "LineString",
+          "coordinates": [
+            [
+              83.33335071802139,
+              17.7251960851791
+            ],
+            [
+              83.33353847265244,
+              17.725829693891324
+            ],
+            [
+              83.33366185426712,
+              17.726299789230563
+            ],
+            [
+              83.33373963832855,
+              17.726568049605337
+            ]
+          ]
+        }
+      },
+      "expectedResult": {
+        "result:deleted_ref_tag": true
+      }
+    },
+    {
+      "description": "Building loses ref tag",
+      "newVersion": {
+        "type": "Feature",
+        "properties": {
+          "building": "yes"
+        },
+        "geometry": {
+          "type": "Polygon",
+          "coordinates": [
+            [
+              83.33335071802139,
+              17.7251960851791
+            ],
+            [
+              83.33353847265244,
+              17.725829693891324
+            ],
+            [
+              83.33366185426712,
+              17.726299789230563
+            ],
+            [
+              83.33373963832855,
+              17.726568049605337
+            ],
+            [
+              83.33335071802139,
+              17.7251960851791
+            ]
+          ]
+        }
+      },
+      "oldVersion": {
+        "type": "Feature",
+        "properties": {
+          "building": "yes",
+          "ref": "BR-010"
+        },
+        "geometry": {
+          "type": "Polygon",
+          "coordinates": [
+            [
+              83.33335071802139,
+              17.7251960851791
+            ],
+            [
+              83.33353847265244,
+              17.725829693891324
+            ],
+            [
+              83.33366185426712,
+              17.726299789230563
+            ],
+            [
+              83.33373963832855,
+              17.726568049605337
+            ],
+            [
+              83.33335071802139,
+              17.7251960851791
+            ]
+          ]
+        }
+      },
+      "expectedResult": false
+    },
+    {
+      "description": "Route loses ref tag",
+      "newVersion": {
+        "type": "Feature",
+        "properties": {
+          "type": "route",
+          "route": "road"
+        },
+        "geometry": {
+          "type": "LineString",
+          "coordinates": [
+            [
+              83.33335071802139,
+              17.7251960851791
+            ],
+            [
+              83.33353847265244,
+              17.725829693891324
+            ],
+            [
+              83.33366185426712,
+              17.726299789230563
+            ],
+            [
+              83.33373963832855,
+              17.726568049605337
+            ]
+          ]
+        }
+      },
+      "oldVersion": {
+        "type": "Feature",
+        "properties": {
+          "route": "road",
+          "type": "route",
+          "ref": "BA-001"
+        },
+        "geometry": {
+          "type": "LineString",
+          "coordinates": [
+            [
+              83.33335071802139,
+              17.7251960851791
+            ],
+            [
+              83.33353847265244,
+              17.725829693891324
+            ],
+            [
+              83.33366185426712,
+              17.726299789230563
+            ],
+            [
+              83.33373963832855,
+              17.726568049605337
+            ]
+          ]
+        }
+      },
+      "expectedResult": {
+        "result:deleted_ref_tag": true
+      }
+    },
+    {
+      "description": "Changes in existing object with ref tag",
+      "newVersion": {
+        "type": "Feature",
+        "properties": {
+          "highway": "secondary",
+          "ref": "BR-001"
+        },
+        "geometry": {
+          "type": "LineString",
+          "coordinates": [
+            [
+              83.33335071802139,
+              17.7251960851791
+            ],
+            [
+              83.33353847265244,
+              17.725829693891324
+            ],
+            [
+              83.33366185426712,
+              17.726299789230563
+            ],
+            [
+              83.33373963832855,
+              17.726568049605337
+            ]
+          ]
+        }
+      },
+      "oldVersion": {
+        "type": "Feature",
+        "properties": {
+          "highway": "primary",
+          "ref": "BR-001"
+        },
+        "geometry": {
+          "type": "LineString",
+          "coordinates": [
+            [
+              83.33335071802139,
+              17.7251960851791
+            ],
+            [
+              83.33353847265244,
+              17.725829693891324
+            ],
+            [
+              83.33366185426712,
+              17.726299789230563
+            ],
+            [
+              83.33373963832855,
+              17.726568049605337
+            ]
+          ]
+        }
+      },
+      "expectedResult": false
+    }
+  ]
+}