diff --git a/tpmcqr_service/api/utils.py b/tpmcqr_service/api/utils.py
index 9d52793..011da81 100644
--- a/tpmcqr_service/api/utils.py
+++ b/tpmcqr_service/api/utils.py
@@ -4,6 +4,7 @@ from tpmcqr_service.models.gtfs import QRDev, Lineas, Shapes, Paraderos, Trips,
 import time
 import pickle
 import math
+import xxhash
 
 def parada_ruta_expediciones(redis_id, parada_id, lineacode):
 
@@ -168,11 +169,12 @@ def calcula_distancias_parada(redis_id, parada_id):
 
     return 200, salida_parada
 
-
 def estima_llegada(parada_distance, expedicion):
     ts = int(time.time())
     data_keys = ['trip_traveled', 'ppu', 'trip_lat', 'trip_lon', 'trip_pos', 'ts']
     trip_info = dict(zip(data_keys, expedicion))
+    trip_info['bus_id'] = xxhash.xxh32(data_keys['ppu'], seed=data_keys['id_linea']).hexdigest()
+    
     trip_info['drift'] = int(trip_info['ts']) - ts
     trip_info['trip_distance'] = parada_distance - int(trip_info['trip_traveled'])
     estimator = int(trip_info['trip_distance'] / 5) # 18 Km/h promedio -> 5 m/s
diff --git a/tpmcqr_service/requirements.txt b/tpmcqr_service/requirements.txt
index 7d10f80..ce82210 100644
--- a/tpmcqr_service/requirements.txt
+++ b/tpmcqr_service/requirements.txt
@@ -6,3 +6,4 @@ flask-redis
 psycopg2-binary
 requests
 geoalchemy2
+xxhash