diff --git a/map_machine/feature/building.py b/map_machine/feature/building.py
index 1fb1030..1fad455 100644
--- a/map_machine/feature/building.py
+++ b/map_machine/feature/building.py
@@ -10,9 +10,9 @@ from svgwrite.container import Group
 from svgwrite.path import Path
 
 from map_machine.drawing import PathCommands
-from map_machine.feature.direction import Segment
 from map_machine.figure import Figure
 from map_machine.geometry.flinger import Flinger
+from map_machine.geometry.vector import Segment
 from map_machine.osm.osm_reader import OSMNode
 from map_machine.scheme import Scheme, LineStyle
 
diff --git a/map_machine/feature/direction.py b/map_machine/feature/direction.py
index 534b296..b86d935 100644
--- a/map_machine/feature/direction.py
+++ b/map_machine/feature/direction.py
@@ -232,23 +232,3 @@ class DirectionSector(Tagged):
                 fill=gradient.get_funciri(),
             )
             svg.add(path_element)
-
-
-class Segment:
-    """Closed line segment."""
-
-    def __init__(self, point_1: np.ndarray, point_2: np.ndarray) -> None:
-        self.point_1: np.ndarray = point_1
-        self.point_2: np.ndarray = point_2
-
-        difference: np.ndarray = point_2 - point_1
-        vector: np.ndarray = difference / np.linalg.norm(difference)
-        self.angle: float = (
-            np.arccos(np.dot(vector, np.array((0.0, 1.0)))) / np.pi
-        )
-
-    def __lt__(self, other: "Segment") -> bool:
-        return (
-            ((self.point_1 + self.point_2) / 2.0)[1]
-            < ((other.point_1 + other.point_2) / 2.0)[1]
-        )  # fmt: skip
diff --git a/map_machine/geometry/vector.py b/map_machine/geometry/vector.py
index 7398ded..5871743 100644
--- a/map_machine/geometry/vector.py
+++ b/map_machine/geometry/vector.py
@@ -115,3 +115,23 @@ class Line:
 
     def __repr__(self) -> str:
         return f"{self.a} * x + {self.b} * y + {self.c} == 0"
+
+
+class Segment:
+    """Closed line segment."""
+
+    def __init__(self, point_1: np.ndarray, point_2: np.ndarray) -> None:
+        self.point_1: np.ndarray = point_1
+        self.point_2: np.ndarray = point_2
+
+        difference: np.ndarray = point_2 - point_1
+        vector: np.ndarray = difference / np.linalg.norm(difference)
+        self.angle: float = (
+            np.arccos(np.dot(vector, np.array((0.0, 1.0)))) / np.pi
+        )
+
+    def __lt__(self, other: "Segment") -> bool:
+        return (
+            ((self.point_1 + self.point_2) / 2.0)[1]
+            < ((other.point_1 + other.point_2) / 2.0)[1]
+        )  # fmt: skip