diff --git a/src/repositoryDataLoader.ts b/src/repositoryDataLoader.ts
index 0709227..b3b013b 100644
--- a/src/repositoryDataLoader.ts
+++ b/src/repositoryDataLoader.ts
@@ -248,6 +248,22 @@ export class RepositoryDataLoader {
   }
 
   private async updatePolylineDataForExistingRoutesAndApiResponse(json: any) {
+    if (json.routePoints) {
+      await Promise.all(Object.keys(json.routePoints).map(async (routeId) => {
+        const routePoints = json.routePoints[routeId][0];
 
+        const existingRoute = await this.repository.getRouteById(routeId);
+        if (!existingRoute) return;
+
+        existingRoute.polylineCoordinates = routePoints.map((point: any) => {
+          return {
+            latitude: parseFloat(point.lat),
+            longitude: parseFloat(point.lng),
+          };
+        });
+
+        await this.repository.addOrUpdateRoute(existingRoute);
+      }))
+    }
   }
 }
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