diff --git a/resources/views/tracker.blade.php b/resources/views/tracker.blade.php
index 673f7ba..33f7fcd 100644
--- a/resources/views/tracker.blade.php
+++ b/resources/views/tracker.blade.php
@@ -65,8 +65,8 @@
                     </li>
                 @endforeach
                 </ol>
-                @if ($trip->is_active)
-                <p><a id="allCheckinsLink" href="#">Show all checkins</a></p>
+                @if (!$showAllCheckins)
+                <p><a id="allCheckinsLink" href="?show=all">Show all checkins</a></p>
                 @endif
             </section>
         </main>
@@ -141,11 +141,6 @@
                 ).addTo(map).setZIndexOffset(1000);
                 currLocation.bindPopup('<p>Current location</p>').openPopup();
 
-                /*
-                 * Add all checkins link href.
-                 */
-                document.getElementById("allCheckinsLink").href = window.location.pathname + '/all';
-
                 /*
                  * Changes the currently-selected popup.
                  */
diff --git a/routes/web.php b/routes/web.php
index 7e0b8f7..9c78d25 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -1,38 +1,34 @@
 <?php
 
+use GuzzleHttp\Client;
+use Illuminate\Http\Request;
 use Illuminate\Support\Facades\Route;
 use Illuminate\Support\Facades\Storage;
-use GuzzleHttp\Client;
-
-/*
-|--------------------------------------------------------------------------
-| Web Routes
-|--------------------------------------------------------------------------
-|
-| Here is where you can register web routes for your application. These
-| routes are loaded by the RouteServiceProvider within a group which
-| contains the "web" middleware group. Now create something great!
-|
-*/
 
 Route::get('/past-trips', function () {
     return view('past-trips');
 });
 
-Route::get('/{tripId?}/{showAll?}', function ($tripId = null, $showAll = false) {
+Route::get('/{tripId?}', function (Request $request, $tripId = null) {
     if (!$tripId && !config('app.current_trip_id')) return view('no-trip');
-    
+
+    $viewMode = $request->input('show', null);
+
     /*
-     * If there is a file in the local cache that is less than 5 hours old,
+     * If there is a file in the local cache that is less than 3 hours old,
      * use that.
      */
-    $tripFileName = $tripId ?? config('app.current_trip_id') . '.json';
+    $tripFileName = ( $tripId ?? config('app.current_trip_id') ) . '.json';
     if (Storage::disk('local')->exists($tripFileName)) {
         $cachedData = json_decode(Storage::disk('local')->get($tripFileName));
-        $cachedDataUpdatedAt = new DateTime($cachedData->trip->updated_at);
-        $now = new DateTime();
-        if (intval(($now->getTimestamp() - $cachedDataUpdatedAt->getTimestamp()) / 3600) <= 5) {
-            return view('tracker', ['trip' => $cachedData->trip, 'showAllCheckins' => ($showAll === 'all')]);
+        if ($cachedData->trip->is_active) {
+            $cachedDataUpdatedAt = new DateTime($cachedData->trip->updated_at);
+            $now = new DateTime();
+            if (intval(($now->getTimestamp() - $cachedDataUpdatedAt->getTimestamp()) / 3600) <= 3) {
+                return view('tracker', ['trip' => $cachedData->trip, 'showAllCheckins' => ($viewMode === 'all')]);
+            }
+        } else {
+            return view('tracker', ['trip' => $cachedData->trip, 'showAllCheckins' => ($viewMode === 'all')]);
         }
     }
 
@@ -61,8 +57,8 @@ Route::get('/{tripId?}/{showAll?}', function ($tripId = null, $showAll = false)
             }
         }
 
-        return view('tracker', ['trip' => $data->trip, 'showAllCheckins' => ($showAll === 'all')]);
+        return view('tracker', ['trip' => $data->trip, 'showAllCheckins' => ($viewMode === 'all')]);
     } else {
         return 'Something went wrong';
     }
-});
+})->where('tripId', '[0-9a-z]{20}');