diff --git a/assets/js/app.js b/assets/js/app.js
index 8b9bf377..761cedb2 100644
--- a/assets/js/app.js
+++ b/assets/js/app.js
@@ -149,6 +149,9 @@ const SensorChart = {
       options: {
         responsive: true,
         maintainAspectRatio: false,
+        // Make bars connect with no gaps for traffic charts
+        barPercentage: chartType === 'bar' ? 1.0 : undefined,
+        categoryPercentage: chartType === 'bar' ? 1.0 : undefined,
         interaction: {
           mode: 'index',
           intersect: false,