diff --git a/onebusaway-android/src/main/java/org/onebusaway/android/travelbehavior/TravelBehaviorManager.java b/onebusaway-android/src/main/java/org/onebusaway/android/travelbehavior/TravelBehaviorManager.java
index 5651697b3..cfe7be9df 100644
--- a/onebusaway-android/src/main/java/org/onebusaway/android/travelbehavior/TravelBehaviorManager.java
+++ b/onebusaway-android/src/main/java/org/onebusaway/android/travelbehavior/TravelBehaviorManager.java
@@ -15,30 +15,6 @@
  */
 package org.onebusaway.android.travelbehavior;
 
-import android.app.Activity;
-import android.app.AlertDialog;
-import android.app.PendingIntent;
-import android.content.Context;
-import android.content.Intent;
-import android.graphics.drawable.Drawable;
-import android.os.Build;
-import android.text.Html;
-import android.text.TextUtils;
-import android.util.Log;
-import android.util.Patterns;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.widget.EditText;
-import android.widget.Toast;
-
-import androidx.core.graphics.drawable.DrawableCompat;
-import androidx.work.Constraints;
-import androidx.work.Data;
-import androidx.work.NetworkType;
-import androidx.work.OneTimeWorkRequest;
-import androidx.work.WorkInfo;
-import androidx.work.WorkManager;
-
 import com.google.android.gms.location.ActivityRecognition;
 import com.google.android.gms.location.ActivityTransition;
 import com.google.android.gms.location.ActivityTransitionRequest;
@@ -57,6 +33,7 @@
 import org.onebusaway.android.travelbehavior.io.task.ArrivalAndDepartureDataSaverTask;
 import org.onebusaway.android.travelbehavior.io.task.DestinationReminderDataSaverTask;
 import org.onebusaway.android.travelbehavior.io.task.TripPlanDataSaverTask;
+import org.onebusaway.android.travelbehavior.io.worker.OptOutTravelBehaviorParticipantWorker;
 import org.onebusaway.android.travelbehavior.io.worker.RegisterTravelBehaviorParticipantWorker;
 import org.onebusaway.android.travelbehavior.receiver.TransitionBroadcastReceiver;
 import org.onebusaway.android.travelbehavior.utils.TravelBehaviorFirebaseIOUtils;
@@ -65,12 +42,36 @@
 import org.onebusaway.android.util.PreferenceUtils;
 import org.opentripplanner.api.model.TripPlan;
 
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.PendingIntent;
+import android.content.Context;
+import android.content.Intent;
+import android.graphics.drawable.Drawable;
+import android.os.Build;
+import android.text.Html;
+import android.text.TextUtils;
+import android.util.Log;
+import android.util.Patterns;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.EditText;
+import android.widget.Toast;
+
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.util.ArrayList;
 import java.util.List;
 
+import androidx.core.graphics.drawable.DrawableCompat;
+import androidx.work.Constraints;
+import androidx.work.Data;
+import androidx.work.NetworkType;
+import androidx.work.OneTimeWorkRequest;
+import androidx.work.WorkInfo;
+import androidx.work.WorkManager;
+
 public class TravelBehaviorManager {
 
     private static final String TAG = "TravelBehaviorManager";
@@ -338,6 +339,19 @@ public static void optOutUser() {
         PreferenceUtils.saveBoolean(TravelBehaviorConstants.USER_OPT_IN, false);
     }
 
+    public static void optOutUserOnServer() {
+        String uid = PreferenceUtils.getString(TravelBehaviorConstants.USER_ID);
+        Data myData = new Data.Builder()
+                .putString(TravelBehaviorConstants.USER_ID, uid)
+                .build();
+
+        OneTimeWorkRequest workRequest = new OneTimeWorkRequest.Builder(
+                OptOutTravelBehaviorParticipantWorker.class)
+                .setInputData(myData)
+                .build();
+        WorkManager.getInstance().enqueue(workRequest);
+    }
+
     public static void optInUser(String uid) {
         PreferenceUtils.saveString(TravelBehaviorConstants.USER_ID, uid);
         PreferenceUtils.saveBoolean(TravelBehaviorConstants.USER_OPT_IN, true);
diff --git a/onebusaway-android/src/main/java/org/onebusaway/android/travelbehavior/io/worker/OptOutTravelBehaviorParticipantWorker.java b/onebusaway-android/src/main/java/org/onebusaway/android/travelbehavior/io/worker/OptOutTravelBehaviorParticipantWorker.java
new file mode 100644
index 000000000..34b7ae8ab
--- /dev/null
+++ b/onebusaway-android/src/main/java/org/onebusaway/android/travelbehavior/io/worker/OptOutTravelBehaviorParticipantWorker.java
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2019 University of South Florida
+ *
+ * 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
+ *
+ *      http://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.
+ */
+package org.onebusaway.android.travelbehavior.io.worker;
+
+import org.apache.commons.io.IOUtils;
+import org.onebusaway.android.R;
+import org.onebusaway.android.app.Application;
+import org.onebusaway.android.io.ObaConnection;
+import org.onebusaway.android.io.ObaDefaultConnectionFactory;
+import org.onebusaway.android.travelbehavior.constants.TravelBehaviorConstants;
+
+import android.content.Context;
+import android.net.Uri;
+import android.util.Log;
+
+import java.io.IOException;
+import java.io.Reader;
+
+import androidx.annotation.NonNull;
+import androidx.work.Worker;
+import androidx.work.WorkerParameters;
+
+public class OptOutTravelBehaviorParticipantWorker extends Worker {
+
+    private static final String TAG = "OptOutTravelUser";
+
+
+    public OptOutTravelBehaviorParticipantWorker(@NonNull Context context,
+                                                 @NonNull WorkerParameters workerParams) {
+        super(context, workerParams);
+    }
+
+    @NonNull
+    @Override
+    public Result doWork() {
+        String uid = getInputData().getString(TravelBehaviorConstants.USER_ID);
+        optOutUser(uid);
+        return Result.success();
+    }
+
+    private void optOutUser(String uid) {
+        Uri uri = buildUri(uid);
+        try {
+            ObaConnection connection = ObaDefaultConnectionFactory.getInstance().newConnection(uri);
+            Reader reader = connection.get();
+            String result = IOUtils.toString(reader);
+            if (TravelBehaviorConstants.PARTICIPANT_SERVICE_RESULT.equals(result)) {
+                Log.d(TAG, "Opt-out user success");
+            }
+        } catch (IOException e) {
+            Log.e(TAG, e.toString());
+        }
+    }
+
+    private Uri buildUri(String uid) {
+        return Uri.parse(Application.get().getResources().getString(R.string.
+                travel_behavior_participants_opt_out_url)).buildUpon().
+                appendQueryParameter("id", uid).build();
+    }
+}
diff --git a/onebusaway-android/src/main/java/org/onebusaway/android/ui/PreferencesActivity.java b/onebusaway-android/src/main/java/org/onebusaway/android/ui/PreferencesActivity.java
index b594c54cf..cd1667a6c 100644
--- a/onebusaway-android/src/main/java/org/onebusaway/android/ui/PreferencesActivity.java
+++ b/onebusaway-android/src/main/java/org/onebusaway/android/ui/PreferencesActivity.java
@@ -464,6 +464,7 @@ public boolean onPreferenceChange(Preference preference, Object newValue) {
                 new TravelBehaviorManager(this, getApplicationContext()).
                         stopCollectingData();
                 TravelBehaviorManager.optOutUser();
+                TravelBehaviorManager.optOutUserOnServer();
             }
 
         } else if (preference.equals(mLeftHandMode) && newValue instanceof Boolean) {
diff --git a/onebusaway-android/src/main/res/values/donottranslate.xml b/onebusaway-android/src/main/res/values/donottranslate.xml
index 70e643bb9..2b9c29bad 100644
--- a/onebusaway-android/src/main/res/values/donottranslate.xml
+++ b/onebusaway-android/src/main/res/values/donottranslate.xml
@@ -81,6 +81,8 @@
     <!-- Travel Behavior Study Participant Info Url-->
     <string name="travel_behavior_participants_url">https://script.google.com/macros/s/AKfycbyUnU7wYhGk_Y6UyEjQ0ePNn9avA3jA7QqDHI2PzKg2RYftrj9x/exec</string>
 
+    <string name="travel_behavior_participants_opt_out_url">https://script.google.com/macros/s/AKfycbyrCNQluXQHpMZt-jYqjdmV9CLT43sSCeGcIS1yNJtWB5LCtSOw/exec</string>
+
     <!-- Open-source link for Github project -->
     <string name="open_source_github">https://github.com/OneBusAway/onebusaway-android</string>
 
@@ -246,4 +248,4 @@
     <string name="analytics_label_custom_metadata_feedback">FeedbackText</string>
 
     <string name="not_request_battery_optimizations_key">request_battery_optimizations_key</string>
-</resources>
\ No newline at end of file
+</resources>