diff --git a/editoast/assets/sprites/BAL/sprites@2x.json b/editoast/assets/sprites/BAL/sprites@2x.json
new file mode 100644
index 00000000000..4161db1ee08
--- /dev/null
+++ b/editoast/assets/sprites/BAL/sprites@2x.json
@@ -0,0 +1,79 @@
+{
+  "CARRE": {
+    "height": 256,
+    "pixelRatio": 2,
+    "width": 256,
+    "x": 0,
+    "y": 0
+  },
+  "CARRE A": {
+    "height": 256,
+    "pixelRatio": 2,
+    "width": 256,
+    "x": 256,
+    "y": 0
+  },
+  "CARRE A CLI": {
+    "height": 256,
+    "pixelRatio": 2,
+    "width": 256,
+    "x": 512,
+    "y": 0
+  },
+  "CARRE R30": {
+    "height": 256,
+    "pixelRatio": 2,
+    "width": 256,
+    "x": 768,
+    "y": 0
+  },
+  "CARRE R60": {
+    "height": 256,
+    "pixelRatio": 2,
+    "width": 256,
+    "x": 0,
+    "y": 256
+  },
+  "CARRE RR30": {
+    "height": 256,
+    "pixelRatio": 2,
+    "width": 256,
+    "x": 0,
+    "y": 512
+  },
+  "CARRE RR60": {
+    "height": 256,
+    "pixelRatio": 2,
+    "width": 256,
+    "x": 0,
+    "y": 768
+  },
+  "CARRE VL": {
+    "height": 256,
+    "pixelRatio": 2,
+    "width": 256,
+    "x": 256,
+    "y": 256
+  },
+  "S": {
+    "height": 256,
+    "pixelRatio": 2,
+    "width": 256,
+    "x": 512,
+    "y": 256
+  },
+  "S A": {
+    "height": 256,
+    "pixelRatio": 2,
+    "width": 256,
+    "x": 768,
+    "y": 256
+  },
+  "S VL": {
+    "height": 256,
+    "pixelRatio": 2,
+    "width": 256,
+    "x": 256,
+    "y": 512
+  }
+}
diff --git a/editoast/assets/sprites/BAL/sprites@2x.png b/editoast/assets/sprites/BAL/sprites@2x.png
new file mode 100644
index 00000000000..5d6d9b65aac
Binary files /dev/null and b/editoast/assets/sprites/BAL/sprites@2x.png differ
diff --git a/editoast/assets/sprites/BAL/sprites@3x.json b/editoast/assets/sprites/BAL/sprites@3x.json
new file mode 100644
index 00000000000..ed377c6d9e3
--- /dev/null
+++ b/editoast/assets/sprites/BAL/sprites@3x.json
@@ -0,0 +1,79 @@
+{
+  "CARRE": {
+    "height": 384,
+    "pixelRatio": 3,
+    "width": 384,
+    "x": 0,
+    "y": 0
+  },
+  "CARRE A": {
+    "height": 384,
+    "pixelRatio": 3,
+    "width": 384,
+    "x": 384,
+    "y": 0
+  },
+  "CARRE A CLI": {
+    "height": 384,
+    "pixelRatio": 3,
+    "width": 384,
+    "x": 768,
+    "y": 0
+  },
+  "CARRE R30": {
+    "height": 384,
+    "pixelRatio": 3,
+    "width": 384,
+    "x": 1152,
+    "y": 0
+  },
+  "CARRE R60": {
+    "height": 384,
+    "pixelRatio": 3,
+    "width": 384,
+    "x": 1536,
+    "y": 0
+  },
+  "CARRE RR30": {
+    "height": 384,
+    "pixelRatio": 3,
+    "width": 384,
+    "x": 0,
+    "y": 384
+  },
+  "CARRE RR60": {
+    "height": 384,
+    "pixelRatio": 3,
+    "width": 384,
+    "x": 0,
+    "y": 768
+  },
+  "CARRE VL": {
+    "height": 384,
+    "pixelRatio": 3,
+    "width": 384,
+    "x": 0,
+    "y": 1152
+  },
+  "S": {
+    "height": 384,
+    "pixelRatio": 3,
+    "width": 384,
+    "x": 0,
+    "y": 1536
+  },
+  "S A": {
+    "height": 384,
+    "pixelRatio": 3,
+    "width": 384,
+    "x": 384,
+    "y": 384
+  },
+  "S VL": {
+    "height": 384,
+    "pixelRatio": 3,
+    "width": 384,
+    "x": 768,
+    "y": 384
+  }
+}
diff --git a/editoast/assets/sprites/BAL/sprites@3x.png b/editoast/assets/sprites/BAL/sprites@3x.png
new file mode 100644
index 00000000000..2bba1bd1137
Binary files /dev/null and b/editoast/assets/sprites/BAL/sprites@3x.png differ
diff --git a/editoast/assets/sprites/BAPR/sprites@2x.json b/editoast/assets/sprites/BAPR/sprites@2x.json
new file mode 100644
index 00000000000..e4b3be64117
--- /dev/null
+++ b/editoast/assets/sprites/BAPR/sprites@2x.json
@@ -0,0 +1,93 @@
+{
+  "CARRE": {
+    "height": 256,
+    "pixelRatio": 2,
+    "width": 256,
+    "x": 0,
+    "y": 0
+  },
+  "CARRE A": {
+    "height": 256,
+    "pixelRatio": 2,
+    "width": 256,
+    "x": 256,
+    "y": 0
+  },
+  "CARRE A CLI": {
+    "height": 256,
+    "pixelRatio": 2,
+    "width": 256,
+    "x": 512,
+    "y": 0
+  },
+  "CARRE R30": {
+    "height": 256,
+    "pixelRatio": 2,
+    "width": 256,
+    "x": 768,
+    "y": 0
+  },
+  "CARRE R60": {
+    "height": 256,
+    "pixelRatio": 2,
+    "width": 256,
+    "x": 0,
+    "y": 256
+  },
+  "CARRE RR30": {
+    "height": 256,
+    "pixelRatio": 2,
+    "width": 256,
+    "x": 0,
+    "y": 512
+  },
+  "CARRE RR60": {
+    "height": 256,
+    "pixelRatio": 2,
+    "width": 256,
+    "x": 0,
+    "y": 768
+  },
+  "CARRE VL": {
+    "height": 256,
+    "pixelRatio": 2,
+    "width": 256,
+    "x": 256,
+    "y": 256
+  },
+  "DISQUE A": {
+    "height": 256,
+    "pixelRatio": 2,
+    "width": 256,
+    "x": 512,
+    "y": 256
+  },
+  "DISQUE VL": {
+    "height": 256,
+    "pixelRatio": 2,
+    "width": 256,
+    "x": 768,
+    "y": 256
+  },
+  "S": {
+    "height": 256,
+    "pixelRatio": 2,
+    "width": 256,
+    "x": 256,
+    "y": 512
+  },
+  "S A": {
+    "height": 256,
+    "pixelRatio": 2,
+    "width": 256,
+    "x": 256,
+    "y": 768
+  },
+  "S VL": {
+    "height": 256,
+    "pixelRatio": 2,
+    "width": 256,
+    "x": 512,
+    "y": 512
+  }
+}
diff --git a/editoast/assets/sprites/BAPR/sprites@2x.png b/editoast/assets/sprites/BAPR/sprites@2x.png
new file mode 100644
index 00000000000..1b1b8a71b16
Binary files /dev/null and b/editoast/assets/sprites/BAPR/sprites@2x.png differ
diff --git a/editoast/assets/sprites/BAPR/sprites@3x.json b/editoast/assets/sprites/BAPR/sprites@3x.json
new file mode 100644
index 00000000000..b165e93b469
--- /dev/null
+++ b/editoast/assets/sprites/BAPR/sprites@3x.json
@@ -0,0 +1,93 @@
+{
+  "CARRE": {
+    "height": 384,
+    "pixelRatio": 3,
+    "width": 384,
+    "x": 0,
+    "y": 0
+  },
+  "CARRE A": {
+    "height": 384,
+    "pixelRatio": 3,
+    "width": 384,
+    "x": 384,
+    "y": 0
+  },
+  "CARRE A CLI": {
+    "height": 384,
+    "pixelRatio": 3,
+    "width": 384,
+    "x": 768,
+    "y": 0
+  },
+  "CARRE R30": {
+    "height": 384,
+    "pixelRatio": 3,
+    "width": 384,
+    "x": 1152,
+    "y": 0
+  },
+  "CARRE R60": {
+    "height": 384,
+    "pixelRatio": 3,
+    "width": 384,
+    "x": 1536,
+    "y": 0
+  },
+  "CARRE RR30": {
+    "height": 384,
+    "pixelRatio": 3,
+    "width": 384,
+    "x": 0,
+    "y": 384
+  },
+  "CARRE RR60": {
+    "height": 384,
+    "pixelRatio": 3,
+    "width": 384,
+    "x": 0,
+    "y": 768
+  },
+  "CARRE VL": {
+    "height": 384,
+    "pixelRatio": 3,
+    "width": 384,
+    "x": 0,
+    "y": 1152
+  },
+  "DISQUE A": {
+    "height": 384,
+    "pixelRatio": 3,
+    "width": 384,
+    "x": 0,
+    "y": 1536
+  },
+  "DISQUE VL": {
+    "height": 384,
+    "pixelRatio": 3,
+    "width": 384,
+    "x": 384,
+    "y": 384
+  },
+  "S": {
+    "height": 384,
+    "pixelRatio": 3,
+    "width": 384,
+    "x": 768,
+    "y": 384
+  },
+  "S A": {
+    "height": 384,
+    "pixelRatio": 3,
+    "width": 384,
+    "x": 1152,
+    "y": 384
+  },
+  "S VL": {
+    "height": 384,
+    "pixelRatio": 3,
+    "width": 384,
+    "x": 1536,
+    "y": 384
+  }
+}
diff --git a/editoast/assets/sprites/BAPR/sprites@3x.png b/editoast/assets/sprites/BAPR/sprites@3x.png
new file mode 100644
index 00000000000..9fa1a78fda1
Binary files /dev/null and b/editoast/assets/sprites/BAPR/sprites@3x.png differ
diff --git a/editoast/assets/sprites/ETCS_LEVEL2/sprites@2x.json b/editoast/assets/sprites/ETCS_LEVEL2/sprites@2x.json
new file mode 100644
index 00000000000..6e47aea042d
--- /dev/null
+++ b/editoast/assets/sprites/ETCS_LEVEL2/sprites@2x.json
@@ -0,0 +1,9 @@
+{
+  "REP TGV": {
+    "height": 256,
+    "pixelRatio": 2,
+    "width": 256,
+    "x": 0,
+    "y": 0
+  }
+}
diff --git a/editoast/assets/sprites/ETCS_LEVEL2/sprites@2x.png b/editoast/assets/sprites/ETCS_LEVEL2/sprites@2x.png
new file mode 100644
index 00000000000..9c3b01d2d6c
Binary files /dev/null and b/editoast/assets/sprites/ETCS_LEVEL2/sprites@2x.png differ
diff --git a/editoast/assets/sprites/ETCS_LEVEL2/sprites@3x.json b/editoast/assets/sprites/ETCS_LEVEL2/sprites@3x.json
new file mode 100644
index 00000000000..a428f67fc9e
--- /dev/null
+++ b/editoast/assets/sprites/ETCS_LEVEL2/sprites@3x.json
@@ -0,0 +1,9 @@
+{
+  "REP TGV": {
+    "height": 384,
+    "pixelRatio": 3,
+    "width": 384,
+    "x": 0,
+    "y": 0
+  }
+}
diff --git a/editoast/assets/sprites/ETCS_LEVEL2/sprites@3x.png b/editoast/assets/sprites/ETCS_LEVEL2/sprites@3x.png
new file mode 100644
index 00000000000..a561dbe682f
Binary files /dev/null and b/editoast/assets/sprites/ETCS_LEVEL2/sprites@3x.png differ
diff --git a/editoast/assets/sprites/TVM300/sprites@2x.json b/editoast/assets/sprites/TVM300/sprites@2x.json
new file mode 100644
index 00000000000..6e47aea042d
--- /dev/null
+++ b/editoast/assets/sprites/TVM300/sprites@2x.json
@@ -0,0 +1,9 @@
+{
+  "REP TGV": {
+    "height": 256,
+    "pixelRatio": 2,
+    "width": 256,
+    "x": 0,
+    "y": 0
+  }
+}
diff --git a/editoast/assets/sprites/TVM300/sprites@2x.png b/editoast/assets/sprites/TVM300/sprites@2x.png
new file mode 100644
index 00000000000..148ce6ec536
Binary files /dev/null and b/editoast/assets/sprites/TVM300/sprites@2x.png differ
diff --git a/editoast/assets/sprites/TVM300/sprites@3x.json b/editoast/assets/sprites/TVM300/sprites@3x.json
new file mode 100644
index 00000000000..a428f67fc9e
--- /dev/null
+++ b/editoast/assets/sprites/TVM300/sprites@3x.json
@@ -0,0 +1,9 @@
+{
+  "REP TGV": {
+    "height": 384,
+    "pixelRatio": 3,
+    "width": 384,
+    "x": 0,
+    "y": 0
+  }
+}
diff --git a/editoast/assets/sprites/TVM300/sprites@3x.png b/editoast/assets/sprites/TVM300/sprites@3x.png
new file mode 100644
index 00000000000..bfc3797de53
Binary files /dev/null and b/editoast/assets/sprites/TVM300/sprites@3x.png differ
diff --git a/editoast/assets/sprites/TVM430/sprites@2x.json b/editoast/assets/sprites/TVM430/sprites@2x.json
new file mode 100644
index 00000000000..6e47aea042d
--- /dev/null
+++ b/editoast/assets/sprites/TVM430/sprites@2x.json
@@ -0,0 +1,9 @@
+{
+  "REP TGV": {
+    "height": 256,
+    "pixelRatio": 2,
+    "width": 256,
+    "x": 0,
+    "y": 0
+  }
+}
diff --git a/editoast/assets/sprites/TVM430/sprites@2x.png b/editoast/assets/sprites/TVM430/sprites@2x.png
new file mode 100644
index 00000000000..148ce6ec536
Binary files /dev/null and b/editoast/assets/sprites/TVM430/sprites@2x.png differ
diff --git a/editoast/assets/sprites/TVM430/sprites@3x.json b/editoast/assets/sprites/TVM430/sprites@3x.json
new file mode 100644
index 00000000000..a428f67fc9e
--- /dev/null
+++ b/editoast/assets/sprites/TVM430/sprites@3x.json
@@ -0,0 +1,9 @@
+{
+  "REP TGV": {
+    "height": 384,
+    "pixelRatio": 3,
+    "width": 384,
+    "x": 0,
+    "y": 0
+  }
+}
diff --git a/editoast/assets/sprites/TVM430/sprites@3x.png b/editoast/assets/sprites/TVM430/sprites@3x.png
new file mode 100644
index 00000000000..bfc3797de53
Binary files /dev/null and b/editoast/assets/sprites/TVM430/sprites@3x.png differ
diff --git a/editoast/assets/sprites/default/sprites@2x.json b/editoast/assets/sprites/default/sprites@2x.json
new file mode 100644
index 00000000000..d9c39fb37d3
--- /dev/null
+++ b/editoast/assets/sprites/default/sprites@2x.json
@@ -0,0 +1,597 @@
+{
+  "BP DIS": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 0,
+    "y": 512
+  },
+  "BP EXE": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 0,
+    "y": 640
+  },
+  "BP FIN": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 0,
+    "y": 768
+  },
+  "CC EXE": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 0,
+    "y": 896
+  },
+  "CC FIN": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 128,
+    "y": 512
+  },
+  "HEURTOIR": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 128,
+    "y": 640
+  },
+  "MATD": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 128,
+    "y": 768
+  },
+  "MATG": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 128,
+    "y": 896
+  },
+  "R": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 256,
+    "y": 0
+  },
+  "REV": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 256,
+    "y": 128
+  },
+  "SECT": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 256,
+    "y": 256
+  },
+  "TIV D FIXE": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 256,
+    "y": 384
+  },
+  "TIV D FIXE 10": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 256,
+    "y": 512
+  },
+  "TIV D FIXE 100": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 256,
+    "y": 640
+  },
+  "TIV D FIXE 105": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 256,
+    "y": 768
+  },
+  "TIV D FIXE 110": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 256,
+    "y": 896
+  },
+  "TIV D FIXE 115": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 384,
+    "y": 0
+  },
+  "TIV D FIXE 120": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 384,
+    "y": 128
+  },
+  "TIV D FIXE 125": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 384,
+    "y": 256
+  },
+  "TIV D FIXE 130": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 384,
+    "y": 384
+  },
+  "TIV D FIXE 135": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 384,
+    "y": 512
+  },
+  "TIV D FIXE 140": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 384,
+    "y": 640
+  },
+  "TIV D FIXE 15": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 384,
+    "y": 768
+  },
+  "TIV D FIXE 15 35": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 384,
+    "y": 896
+  },
+  "TIV D FIXE 150": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 512,
+    "y": 0
+  },
+  "TIV D FIXE 160": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 512,
+    "y": 128
+  },
+  "TIV D FIXE 20": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 512,
+    "y": 256
+  },
+  "TIV D FIXE 20 35": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 512,
+    "y": 384
+  },
+  "TIV D FIXE 25": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 512,
+    "y": 512
+  },
+  "TIV D FIXE 30": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 512,
+    "y": 640
+  },
+  "TIV D FIXE 30 35": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 512,
+    "y": 768
+  },
+  "TIV D FIXE 30 40": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 512,
+    "y": 896
+  },
+  "TIV D FIXE 35": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 640,
+    "y": 0
+  },
+  "TIV D FIXE 4": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 640,
+    "y": 128
+  },
+  "TIV D FIXE 40": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 640,
+    "y": 256
+  },
+  "TIV D FIXE 40 60": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 640,
+    "y": 384
+  },
+  "TIV D FIXE 45": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 640,
+    "y": 512
+  },
+  "TIV D FIXE 50": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 640,
+    "y": 640
+  },
+  "TIV D FIXE 50 30": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 640,
+    "y": 768
+  },
+  "TIV D FIXE 50 60": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 640,
+    "y": 896
+  },
+  "TIV D FIXE 50 70": {
+    "height": 128,
+    "pixelRatio": 2,
+    "width": 128,
+    "x": 768,
+    "y": 0
+  },
+  "TIV D FIXE 55": {
+    "height": 128,
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diff --git a/editoast/assets/sprites/default/sprites@2x.png b/editoast/assets/sprites/default/sprites@2x.png
new file mode 100644
index 00000000000..6ca2642b2f7
Binary files /dev/null and b/editoast/assets/sprites/default/sprites@2x.png differ
diff --git a/editoast/assets/sprites/default/sprites@3x.json b/editoast/assets/sprites/default/sprites@3x.json
new file mode 100644
index 00000000000..ccb7e87dba6
--- /dev/null
+++ b/editoast/assets/sprites/default/sprites@3x.json
@@ -0,0 +1,597 @@
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+    "pixelRatio": 3,
+    "width": 192,
+    "x": 1152,
+    "y": 1536
+  },
+  "UNKNOWN": {
+    "height": 384,
+    "pixelRatio": 3,
+    "width": 384,
+    "x": 0,
+    "y": 0
+  },
+  "UNKNOWN2": {
+    "height": 384,
+    "pixelRatio": 3,
+    "width": 384,
+    "x": 384,
+    "y": 0
+  },
+  "Z": {
+    "height": 192,
+    "pixelRatio": 3,
+    "width": 192,
+    "x": 1152,
+    "y": 1728
+  }
+}
diff --git a/editoast/assets/sprites/default/sprites@3x.png b/editoast/assets/sprites/default/sprites@3x.png
new file mode 100644
index 00000000000..fe1914d2a63
Binary files /dev/null and b/editoast/assets/sprites/default/sprites@3x.png differ
diff --git a/editoast/assets/sprites/generate-atlas.sh b/editoast/assets/sprites/generate-atlas.sh
index 2b6f49c40bb..83b6d0fb4fa 100755
--- a/editoast/assets/sprites/generate-atlas.sh
+++ b/editoast/assets/sprites/generate-atlas.sh
@@ -4,7 +4,9 @@
 # First add all your svg in a subfolder named to the signaling system (eg: `BAL`)
 # Then run this script. You will need docker.
 
-for signaling_system in *; do
+sprites_directory=`dirname $0`
+echo "Processing sprites in ${sprites_directory}"
+for signaling_system in "${sprites_directory}"/*; do
   # Skip files (like this file)
   [ -d "${signaling_system}" ] || continue