diff --git a/tests/system/gapic/v1/test_system_trace_service_v1.py b/tests/system/gapic/v1/test_system_trace_service_v1.py
new file mode 100644
index 00000000..d6bc7a78
--- /dev/null
+++ b/tests/system/gapic/v1/test_system_trace_service_v1.py
@@ -0,0 +1,27 @@
+# Copyright 2018 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import os
+import time
+
+from google.cloud import trace_v1
+
+
+class TestSystemTraceService(object):
+    def test_list_traces(self):
+        project_id = os.environ["PROJECT_ID"]
+
+        client = trace_v1.TraceServiceClient()
+        project_id_2 = project_id
+        response = client.list_traces(project_id=project_id_2)
diff --git a/tests/system/gapic/v1/test_system_trace_service_v1_vpcsc.py b/tests/system/gapic/v1/test_system_trace_service_v1_vpcsc.py
new file mode 100644
index 00000000..4975911d
--- /dev/null
+++ b/tests/system/gapic/v1/test_system_trace_service_v1_vpcsc.py
@@ -0,0 +1,72 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright 2019 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# flake8: noqa
+
+import os
+import pytest
+
+from google.api_core import exceptions
+from google.cloud import trace_v1
+from test_utils.vpcsc_config import vpcsc_config
+
+_VPCSC_PROHIBITED_MESSAGE = "Request is prohibited by organization's policy."
+
+
+@pytest.fixture
+def client():
+    return trace_v1.TraceServiceClient()
+
+
+@vpcsc_config.skip_unless_inside_vpcsc
+def test_list_traces_w_inside(client):
+    list(client.list_traces(project_id=vpcsc_config.project_inside))  # no perms issue
+
+
+@vpcsc_config.skip_unless_inside_vpcsc
+def test_list_traces_w_outside(client):
+    with pytest.raises(exceptions.PermissionDenied) as exc:
+        list(client.list_traces(project_id=vpcsc_config.project_outside))
+
+    assert _VPCSC_PROHIBITED_MESSAGE in exc.value.message
+
+
+@vpcsc_config.skip_unless_inside_vpcsc
+def test_get_trace_w_inside(client):
+    with pytest.raises(exceptions.InvalidArgument):
+        client.get_trace(project_id=vpcsc_config.project_inside, trace_id="")  # no perms issue
+
+
+@vpcsc_config.skip_unless_inside_vpcsc
+def test_get_trace_w_outside(client):
+    with pytest.raises(exceptions.PermissionDenied) as exc:
+        client.get_trace(project_id=vpcsc_config.project_outside, trace_id="")
+
+    assert _VPCSC_PROHIBITED_MESSAGE in exc.value.message
+
+
+@vpcsc_config.skip_unless_inside_vpcsc
+def test_patch_traces_w_inside(client):
+    with pytest.raises(exceptions.InvalidArgument):
+        client.patch_traces(project_id=vpcsc_config.project_inside, traces={})  # no perms issue
+
+
+@vpcsc_config.skip_unless_inside_vpcsc
+def test_patch_traces_w_ouside(client):
+    with pytest.raises(exceptions.PermissionDenied) as exc:
+        client.patch_traces(project_id=vpcsc_config.project_outside, traces={})
+
+    assert _VPCSC_PROHIBITED_MESSAGE in exc.value.message
diff --git a/tests/system/gapic/v2/test_system_trace_service_v2.py b/tests/system/gapic/v2/test_system_trace_service_v2.py
new file mode 100644
index 00000000..0a73506a
--- /dev/null
+++ b/tests/system/gapic/v2/test_system_trace_service_v2.py
@@ -0,0 +1,28 @@
+# Copyright 2018 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import os
+import time
+
+from google.cloud import trace_v2
+
+
+class TestSystemTraceService(object):
+    def test_batch_write_spans(self):
+        project_id = os.environ["PROJECT_ID"]
+
+        client = trace_v2.TraceServiceClient()
+        name = f"projects/{project_id}"
+        spans = []
+        client.batch_write_spans(name=name, spans=spans)
diff --git a/tests/system/gapic/v2/test_system_trace_service_v2_vpcsc.py b/tests/system/gapic/v2/test_system_trace_service_v2_vpcsc.py
new file mode 100644
index 00000000..a373ba51
--- /dev/null
+++ b/tests/system/gapic/v2/test_system_trace_service_v2_vpcsc.py
@@ -0,0 +1,47 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright 2019 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# flake8: noqa
+
+import os
+import pytest
+
+from google.api_core import exceptions
+from google.cloud import trace_v2
+from test_utils.vpcsc_config import vpcsc_config
+
+_VPCSC_PROHIBITED_MESSAGE = "Request is prohibited by organization's policy."
+
+
+@pytest.fixture
+def client():
+    return trace_v2.TraceServiceClient()
+
+
+@vpcsc_config.skip_unless_inside_vpcsc
+def test_batch_write_spans_w_inside(client):
+    project_inside = f"projects/{vpcsc_config.project_inside}"
+    client.batch_write_spans(name=project_inside, spans=[])  # no raise
+
+
+@vpcsc_config.skip_unless_inside_vpcsc
+def test_batch_write_spans_w_outside(client):
+    project_outside = f"projects/{vpcsc_config.project_outside}"
+
+    with pytest.raises(exceptions.PermissionDenied) as exc:
+        client.batch_write_spans(name=project_outside, spans=[])
+
+    assert _VPCSC_PROHIBITED_MESSAGE in exc.value.message