diff --git a/sanic/router.py b/sanic/router.py
index e25572fb..1f26171e 100644
--- a/sanic/router.py
+++ b/sanic/router.py
@@ -149,7 +149,22 @@ class Router:
                 handler=view, methods=methods.union(route.methods))
             return route
 
-        route = self.routes_all.get(uri)
+        if parameters:
+            # TODO: This is too complex, we need to reduce the complexity
+            if properties['unhashable']:
+                routes_to_check = self.routes_always_check
+                ndx, route = self.check_dynamic_route_exists(
+                    pattern, routes_to_check)
+            else:
+                routes_to_check = self.routes_dynamic[url_hash(uri)]
+                ndx, route = self.check_dynamic_route_exists(
+                    pattern, routes_to_check)
+            if ndx != -1:
+                # Pop the ndx of the route, no dups of the same route
+                routes_to_check.pop(ndx)
+        else:
+            route = self.routes_all.get(uri)
+
         if route:
             route = merge_route(route, methods, handler)
         else:
@@ -165,6 +180,14 @@ class Router:
         else:
             self.routes_static[uri] = route
 
+    @staticmethod
+    def check_dynamic_route_exists(pattern, routes_to_check):
+        for ndx, route in enumerate(routes_to_check):
+            if route.pattern == pattern:
+                return ndx, route
+        else:
+            return -1, None
+
     def remove(self, uri, clean_cache=True, host=None):
         if host is not None:
             uri = host + uri
diff --git a/tests/test_dynamic_routes.py b/tests/test_dynamic_routes.py
new file mode 100644
index 00000000..24ba79b5
--- /dev/null
+++ b/tests/test_dynamic_routes.py
@@ -0,0 +1,46 @@
+from sanic import Sanic
+from sanic.response import text
+from sanic.utils import sanic_endpoint_test
+from sanic.router import RouteExists
+import pytest
+
+
+@pytest.mark.parametrize("method,attr, expected", [
+    ("get", "text", "OK1 test"),
+    ("post", "text", "OK2 test"),
+    ("put", "text", "OK2 test"),
+    ("delete", "status", 405),
+])
+def test_overload_dynamic_routes(method, attr, expected):
+    app = Sanic('test_dynamic_route')
+
+    @app.route('/overload/<param>', methods=['GET'])
+    async def handler1(request, param):
+        return text('OK1 ' + param)
+
+    @app.route('/overload/<param>', methods=['POST', 'PUT'])
+    async def handler2(request, param):
+        return text('OK2 ' + param)
+
+    request, response = sanic_endpoint_test(
+        app, method, uri='/overload/test')
+    assert getattr(response, attr) == expected
+
+
+def test_overload_dynamic_routes_exist():
+    app = Sanic('test_dynamic_route')
+
+    @app.route('/overload/<param>', methods=['GET'])
+    async def handler1(request, param):
+        return text('OK1 ' + param)
+
+    @app.route('/overload/<param>', methods=['POST', 'PUT'])
+    async def handler2(request, param):
+        return text('OK2 ' + param)
+
+    # if this doesn't raise an error, than at least the below should happen:
+    # assert response.text == 'Duplicated'
+    with pytest.raises(RouteExists):
+        @app.route('/overload/<param>', methods=['PUT', 'DELETE'])
+        async def handler3(request):
+            return text('Duplicated')