diff --git a/speed_map_display.py b/speed_map_display.py
index 61d8740..ba03a14 100644
--- a/speed_map_display.py
+++ b/speed_map_display.py
@@ -1,7 +1,9 @@
 import pygame
 
+from gps_loader import GPSLoader
 from map_display import MapDisplay
 from path import Path
+from units import Unit
 from vec import Vec2
 
 
@@ -52,3 +54,30 @@ class SpeedMapDisplay(MapDisplay):
         b = int(b_span * f + self.min_speed_col[2])
 
         return r, g, b
+
+
+if __name__ == '__main__':
+    name = "data_28-03"
+    cities = [
+        (Vec2(7.359119, 46.227302), "Sion", "above"),
+        (Vec2(7.079001, 46.105981), "Martigny", "below"),
+        (Vec2(7.001849, 46.216559), "Saint-Maurice", "right")
+    ]
+
+    data = GPSLoader.load_data(f"{name}.csv")
+    speeds = list(map(lambda s: s.convert(Unit.KM_H).value, data["speeds"]))
+    path = Path(data["points"], speeds)
+
+    pygame.init()
+
+    win = pygame.display.set_mode([600, 600])
+    display = SpeedMapDisplay(
+        win,
+        6.971094, 7.430611,
+        46.076312, 46.253036,
+        cities,
+        (255, 0, 0), (0, 255, 0), 155)
+
+    display.draw_path(path)
+    pygame.display.flip()
+    input()