diff --git a/resources/celerity/map.php b/resources/celerity/map.php
--- a/resources/celerity/map.php
+++ b/resources/celerity/map.php
@@ -149,7 +149,7 @@
     'rsrc/css/phui/phui-profile-menu.css' => '7e92a89a',
     'rsrc/css/phui/phui-property-list-view.css' => '27b2849e',
     'rsrc/css/phui/phui-remarkup-preview.css' => '1a8f2591',
-    'rsrc/css/phui/phui-segment-bar-view.css' => '46342871',
+    'rsrc/css/phui/phui-segment-bar-view.css' => '8ce8eba3',
     'rsrc/css/phui/phui-spacing.css' => '042804d6',
     'rsrc/css/phui/phui-status.css' => '888cedb8',
     'rsrc/css/phui/phui-tag-view.css' => '9d5d4400',
@@ -835,7 +835,7 @@
     'phui-profile-menu-css' => '7e92a89a',
     'phui-property-list-view-css' => '27b2849e',
     'phui-remarkup-preview-css' => '1a8f2591',
-    'phui-segment-bar-view-css' => '46342871',
+    'phui-segment-bar-view-css' => '8ce8eba3',
     'phui-spacing-css' => '042804d6',
     'phui-status-list-view-css' => '888cedb8',
     'phui-tag-view-css' => '9d5d4400',
diff --git a/src/applications/diffusion/controller/DiffusionLastModifiedController.php b/src/applications/diffusion/controller/DiffusionLastModifiedController.php
--- a/src/applications/diffusion/controller/DiffusionLastModifiedController.php
+++ b/src/applications/diffusion/controller/DiffusionLastModifiedController.php
@@ -71,8 +71,11 @@
       }
 
       $lint = $lint_query->execute();
+
+      $coverage = $this->loadCoverageForPaths($branch, array_keys($commits));
     } else {
       $lint = array();
+      $coverage = array();
     }
 
     $output = array();
@@ -84,7 +87,8 @@
         $prequest,
         $handles,
         $commit,
-        idx($lint, $path));
+        idx($lint, $path),
+        idx($coverage, $path));
     }
 
     return id(new AphrontAjaxResponse())->setContent($output);
@@ -94,7 +98,8 @@
     DiffusionRequest $drequest,
     array $handles,
     PhabricatorRepositoryCommit $commit = null,
-    $lint = null) {
+    $lint = null,
+    $coverage = null) {
     assert_instances_of($handles, 'PhabricatorObjectHandle');
     $viewer = $this->getRequest()->getUser();
 
@@ -156,6 +161,10 @@
         number_format($lint));
     }
 
+    if ($coverage !== null) {
+      $return['coverage'] = $coverage;
+    }
+
     // The client treats these results as markup, so make sure they have been
     // escaped correctly.
     foreach ($return as $key => $value) {
@@ -165,4 +174,113 @@
     return $return;
   }
 
+  private function loadCoverageForPaths($branch, array $paths) {
+    if (!$paths) {
+      return array();
+    }
+
+    $drequest = $this->getDiffusionRequest();
+    $commit = $drequest->loadCommit();
+
+    $path_map = id(new DiffusionPathIDQuery($paths))
+      ->loadPathIDs();
+    $path_map = array_flip($path_map);
+
+    $coverage_rows = queryfx_all(
+      id(new PhabricatorRepository())->establishConnection('r'),
+      'SELECT * FROM %T
+        WHERE branchID = %d
+        AND pathID IN (%Ld)
+        AND commitID = %d',
+      PhabricatorRepository::TABLE_COVERAGE,
+      $branch->getID(),
+      array_keys($path_map),
+      $commit->getID());
+
+    $coverage_map = array();
+    foreach ($coverage_rows as $coverage_row) {
+      if (empty($path_map[$coverage_row['pathID']])) {
+        continue;
+      }
+
+      $covered_path = $path_map[$coverage_row['pathID']];
+      $coverage_map[$covered_path] = $coverage_row['coverage'];
+    }
+
+    if (!$coverage_map) {
+      return array();
+    }
+
+    $maximum = 0;
+    $grand_total = 0;
+    foreach ($coverage_map as $path => $coverage) {
+      $stats = $this->getCoverageStatistics($coverage);
+      $maximum = max($maximum, $stats['U'] + $stats['C']);
+      $grand_total += $stats['U'] + $stats['C'];
+      $coverage_map[$path] = $stats;
+    }
+
+    $log_base = 3;
+    $log_maximum = log($maximum + 1, $log_base);
+
+    $coverage_bars = array();
+    foreach ($coverage_map as $path => $stats) {
+      $total = $stats['U'] + $stats['C'];
+      $log_total = log($total + 1, $log_base);
+
+      $bar_size = $log_total / $log_maximum;
+      $bar_full = $stats['C'] / $total;
+
+      $tip = pht(
+        "%s / %s Lines\n%s of Total Lines\n%s Covered",
+        new PhutilNumber($stats['C']),
+        new PhutilNumber($total),
+        sprintf('%.1f%%', 100 * ($total / $grand_total)),
+        sprintf('%.1f%%', 100 * $bar_full));
+
+      $bar = new PHUISegmentBarView();
+
+      $bar->newSegment()
+        ->setWidth($bar_full)
+        ->setColor('blue');
+
+      $coverage_bars[$path] = javelin_tag(
+        'div',
+        array(
+          'class' => 'diffusion-coverage',
+          'style' => sprintf('width: %.2f%%', 100 * $bar_size),
+          'sigil' => 'has-tooltip',
+          'meta' => array(
+            'tip' => $tip,
+            'align' => 'E',
+            'size' => 300,
+          ),
+        ),
+        $bar);
+    }
+
+    return $coverage_bars;
+  }
+
+  private function getCoverageStatistics($coverage) {
+    $defaults = array(
+      'U' => 0,
+      'C' => 0,
+    );
+
+    // If this is JSON-encoded aggregate data, we're just going to decode it.
+    if (!strncmp($coverage, '+J', 2)) {
+      $stats = phutil_json_decode(substr($coverage, 2));
+      return $stats + $defaults;
+    }
+
+    // Otherwise, count the lines.
+    $map = array();
+    foreach ($defaults as $char => $count) {
+      $map[$char] = substr_count($coverage, $char);
+    }
+
+    return $map;
+  }
+
 }
diff --git a/src/applications/diffusion/view/DiffusionBrowseTableView.php b/src/applications/diffusion/view/DiffusionBrowseTableView.php
--- a/src/applications/diffusion/view/DiffusionBrowseTableView.php
+++ b/src/applications/diffusion/view/DiffusionBrowseTableView.php
@@ -74,6 +74,7 @@
 
       $dict = array(
         'lint'      => celerity_generate_unique_node_id(),
+        'coverage'  => celerity_generate_unique_node_id(),
         'commit'    => celerity_generate_unique_node_id(),
         'date'      => celerity_generate_unique_node_id(),
         'author'    => celerity_generate_unique_node_id(),
@@ -88,8 +89,9 @@
       $rows[] = array(
         $history_link,
         $browse_link,
-        idx($dict, 'lint'),
         $dict['commit'],
+        idx($dict, 'lint'),
+        $dict['coverage'],
         $dict['author'],
         $dict['details'],
         $dict['date'],
@@ -112,14 +114,16 @@
     $branch = $this->getDiffusionRequest()->loadBranch();
     $show_lint = ($branch && $branch->getLintCommit());
     $lint = $request->getLint();
+    $show_coverage = $this->getDiffusionRequest()->loadCoverage();
 
     $view = new AphrontTableView($rows);
     $view->setHeaders(
       array(
         null,
         pht('Path'),
-        ($lint ? $lint : pht('Lint')),
         pht('Modified'),
+        ($lint ? $lint : pht('Lint')),
+        pht('Coverage'),
         pht('Author/Committer'),
         pht('Details'),
         pht('Committed'),
@@ -131,6 +135,7 @@
         '',
         '',
         '',
+        '',
         'wide',
         '',
       ));
@@ -138,8 +143,9 @@
       array(
         true,
         true,
-        $show_lint,
         true,
+        $show_lint,
+        $show_coverage,
         true,
         true,
         true,
@@ -149,9 +155,10 @@
       array(
         true,
         true,
-        false,
         true,
         false,
+        false,
+        false,
         true,
         false,
       ));
diff --git a/webroot/rsrc/css/phui/phui-segment-bar-view.css b/webroot/rsrc/css/phui/phui-segment-bar-view.css
--- a/webroot/rsrc/css/phui/phui-segment-bar-view.css
+++ b/webroot/rsrc/css/phui/phui-segment-bar-view.css
@@ -21,6 +21,10 @@
   height: 8px;
 }
 
+.diffusion-coverage .phui-segment-bar-segments {
+  background: {$greyborder};
+}
+
 .phui-segment-bar-segment-view {
   position: absolute;
   top: 0;