diff --git a/all_includes.hh b/all_includes.hh
index bc4b00c..d6c0d8a 100644
--- a/all_includes.hh
+++ b/all_includes.hh
@@ -51,6 +51,8 @@ class Chose;
 
 #include "rules/route/routequadcarrefour.hh"
 #include "rules/route/routequadchaussee.hh"
+#include "rules/route/routetrichaussee.hh"
+
 #include "rules/route/trottoirquadnormal.hh"
 
 #include "rules/terrain/terrainquadherbe.hh"
diff --git a/main.cpp b/main.cpp
index 6da9366..cc4beea 100644
--- a/main.cpp
+++ b/main.cpp
@@ -26,7 +26,6 @@ int main() {
 	Vertex se(size, 0, 0);
 	Vertex sw(0, 0, 0);
 	Vertex nw(0, size, 0);
-	Chose::initialSeed = 1889676033;
 	Chose* c = QuartierQuad::factory(Chose::initialSeed, 0, ne, se, sw, nw);
 	c->triangulation();
 	c->updateAABB();
diff --git a/rules/chose.cpp b/rules/chose.cpp
index e16aac4..349a6f6 100644
--- a/rules/chose.cpp
+++ b/rules/chose.cpp
@@ -101,4 +101,4 @@ void Chose::drawAABB() {
 	);
 }
 
-unsigned int Chose::initialSeed = 779313522;//random_seed();
+unsigned int Chose::initialSeed = random_seed();
diff --git a/rules/quartier/quartierquadangle.cpp b/rules/quartier/quartierquadangle.cpp
index 6af41b2..7f65b0d 100644
--- a/rules/quartier/quartierquadangle.cpp
+++ b/rules/quartier/quartierquadangle.cpp
@@ -18,8 +18,8 @@ bool QuartierQuadAngle::split() {
 			addChild(QuartierTri::factory(seed, 0, t1.v1, t1.v2, t1.v3));
 			addChild(QuartierTri::factory(seed, 1, t2.v1, t2.v2, t2.v3));
 			addChild(new RouteQuadChaussee(t1.v1, t1.v3, t2.v1, t2.v3));
-			addChild(new QuartierTri(t2.v3, corner[NE+i], t1.v1)); // TODO : new RouteTri
-			addChild(new QuartierTri(t1.v3, corner[SW+i], t2.v1)); // TODO : new RouteTri
+			addChild(new RouteTriChaussee(t1.v1, corner[NE+i], t2.v3));
+			addChild(new RouteTriChaussee(t2.v1, corner[SW+i], t1.v3));
 			return true;
 		}
 	}
@@ -40,7 +40,7 @@ bool QuartierQuadAngle::split() {
 				addChild(QuartierTri::factory(seed, 0, tn.v1, tn.v2, tn.v3));
 				addChild(QuartierQuad::factory(seed, 1, q.corner[0], q.corner[1], q.corner[2], q.corner[3]));
 				addChild(new RouteQuadChaussee(tn.v1, tn.v3, q.corner[1], q.corner[0]));
-				addChild(new QuartierTri(tn.v3, oldv3, q.corner[1])); // TODO : new RouteTri
+				addChild(new RouteTriChaussee(q.corner[1], oldv3, tn.v3));
 			} else {
 				q = Quad(corner[NW+i], e, corner[SE+i], corner[SW+i]);
 				Vertex oldv1 = te.v1;
@@ -49,7 +49,7 @@ bool QuartierQuadAngle::split() {
 				addChild(QuartierTri::factory(seed, 0, te.v1, te.v2, te.v3));
 				addChild(QuartierQuad::factory(seed, 1, q.corner[0], q.corner[1], q.corner[2], q.corner[3]));
 				addChild(new RouteQuadChaussee(te.v1, te.v3, q.corner[1], q.corner[0]));
-				addChild(new QuartierTri(q.corner[0], oldv1, te.v1)); // TODO : new RouteTri
+				addChild(new RouteTriChaussee(te.v1, oldv1, q.corner[0]));
 			}
 			return true;
 		}
diff --git a/rules/route/routequadchaussee.cpp b/rules/route/routequadchaussee.cpp
index 783a249..633eb3e 100644
--- a/rules/route/routequadchaussee.cpp
+++ b/rules/route/routequadchaussee.cpp
@@ -33,17 +33,3 @@ void RouteQuadChaussee::triangulation() {
 	addTriangle(new Triangle(corner[NE], corner[NW], corner[SW], 0x36, 0x36, 0x36));
 	addTriangle(new Triangle(corner[SW], corner[SE], corner[NE], 0x36, 0x36, 0x36));
 }
-
-// Version avec trottoirs.
-/*void RouteQuadChaussee::triangulation() {
-	triangles.reserve(2);
-	Vertex nne, nnw, nse, nsw;				// Nouvel emplacement de la route.
-
-	nnw = nw + ((ne - nw)/6);
-	nsw = sw + ((se - sw)/6);
-	nne = ne - ((ne - nw)/6);
-	nse = se - ((se - sw)/6);
-
-	addChild(new TrottoirRoute(nnw, nsw, sw, nw, 20));
-	addChild(new TrottoirRoute(ne, se, nse,  nne,20));
-}*/
diff --git a/rules/route/routequadchaussee.hh b/rules/route/routequadchaussee.hh
index 2ca8196..a96fd41 100644
--- a/rules/route/routequadchaussee.hh
+++ b/rules/route/routequadchaussee.hh
@@ -1,5 +1,5 @@
-#ifndef _RULES_ROUTE_HH_
-#define _RULES_ROUTE_HH_
+#ifndef _RULES_ROUTE_QUAD_CHAUSSEE_HH_
+#define _RULES_ROUTE_QUAD_CHAUSSEE_HH_
 
 #include "all_includes.hh"
 
diff --git a/rules/route/routetrichaussee.cpp b/rules/route/routetrichaussee.cpp
new file mode 100644
index 0000000..371a894
--- /dev/null
+++ b/rules/route/routetrichaussee.cpp
@@ -0,0 +1,26 @@
+#include "all_includes.hh"
+
+RouteTriChaussee::RouteTriChaussee(Vertex left, Vertex top, Vertex right) : Chose() {
+	addEntropy(left, top, right);
+	corner[0] = left;
+	corner[1] = top;
+	corner[2] = right;
+}
+
+void RouteTriChaussee::getBoundingBoxPoints() {
+	addBBPoint(corner[0]);
+	addBBPoint(corner[1]);
+	addBBPoint(corner[2]);
+	addBBPoint(corner[0] + Vertex(0,0,1000)); // TODO
+	addBBPoint(corner[1] + Vertex(0,0,1000));
+	addBBPoint(corner[2] + Vertex(0,0,1000));
+}
+
+bool RouteTriChaussee::split() {
+	return false;
+}
+
+void RouteTriChaussee::triangulation() {
+	triangles.reserve(1);
+	addTriangle(new Triangle(corner[0], corner[1], corner[2], 0x36, 0x36, 0x36));
+}
diff --git a/rules/route/routetrichaussee.hh b/rules/route/routetrichaussee.hh
new file mode 100644
index 0000000..65dbe11
--- /dev/null
+++ b/rules/route/routetrichaussee.hh
@@ -0,0 +1,17 @@
+#ifndef _RULES_ROUTE_TRI_CHAUSSEE_HH_
+#define _RULES_ROUTE_TRI_CHAUSSEE__HH_
+
+#include "all_includes.hh"
+
+class RouteTriChaussee : public Chose {
+    private :
+	Vertex corner[3];
+
+    public :
+	RouteTriChaussee(Vertex left, Vertex top, Vertex right);
+	virtual bool split();
+	virtual void triangulation();
+	virtual void getBoundingBoxPoints();
+};
+
+#endif