diff --git a/quark/plugin_modules/routes.py b/quark/plugin_modules/routes.py
index f99a0ab..049638d 100644
--- a/quark/plugin_modules/routes.py
+++ b/quark/plugin_modules/routes.py
@@ -14,6 +14,7 @@
 #    under the License.
 
 import netaddr
+from neutron.common import exceptions as neutron_exc
 from neutron import quota
 from neutron_lib import exceptions as n_exc
 from oslo_config import cfg
@@ -71,7 +72,11 @@ def create_route(context, route):
 
         alloc_pools = allocation_pool.AllocationPools(subnet["cidr"],
                                                       policies=policies)
-        alloc_pools.validate_gateway_excluded(route["gateway"])
+        try:
+            alloc_pools.validate_gateway_excluded(route["gateway"])
+        except neutron_exc.GatewayConflictWithAllocationPools as e:
+            LOG.exception(str(e))
+            raise n_exc.BadRequest(resource="routes", msg=str(e))
 
         # TODO(anyone): May want to denormalize the cidr values into columns
         #               to achieve single db lookup on conflict check
diff --git a/quark/tests/functional/plugin_modules/test_routes.py b/quark/tests/functional/plugin_modules/test_routes.py
index e8cb390..d91645e 100644
--- a/quark/tests/functional/plugin_modules/test_routes.py
+++ b/quark/tests/functional/plugin_modules/test_routes.py
@@ -15,7 +15,6 @@
 
 import contextlib
 import mock
-from neutron.common import exceptions as n_exc_ext
 from neutron_lib import exceptions as n_exc
 from oslo_config import cfg
 from quark import exceptions as q_exc
@@ -102,8 +101,7 @@ class QuarkCreateRoutes(BaseFunctionalTest):
             self.assertIsNotNone(sub)
             self.assertIsNotNone(ipp)
             create_route["subnet_id"] = sub["id"]
-            with self.assertRaises(
-                    n_exc_ext.GatewayConflictWithAllocationPools):
+            with self.assertRaises(n_exc.BadRequest):
                 routes_api.create_route(self.context,
                                         dict(route=create_route))