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Bus K21 : Full Schedule in Grenoble

A bus service operated by Société Nationale des Chemins de fer Français
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Liste des arrêts
              Nombre d'arrêts : 15
              Carte

              St-Marcellin (Isère) ➞ Grenoble

              St-Marcellin (Isère)

              		06:1606:2606:2606:2607:0307:0307:0307:0307:4007:4008:0308:0308:1508:1509:0309:0310:0311:0313:0315:0316:0317:0317:0317:0318:0318:0318:0319:0319:0320:0320:0321:03

              Vinay

              		——06:4106:41—07:1807:18——07:55—08:18———09:18——13:1815:1816:18—17:18——18:18——19:18—20:18—

              Poliénas

              		06:41——————07:28———08:33———09:33——13:3315:3316:33——17:28——18:28—19:33—20:33—

              Tullins-Fures

              		06:53—07:0107:01—07:3807:3807:40—08:15—08:45———09:45——13:4515:4516:45—17:3817:40—18:3818:40—19:45—20:4521:33

              Grenoble

              		07:2307:1607:3107:3107:5308:0808:0808:1008:3008:4508:5309:1509:0509:0509:5310:1510:5311:5314:1516:1517:1517:5318:0818:1018:5319:0819:1019:5320:1520:5321:1522:03
              Times marked with "—" indicate that the vehicle does not stop at this stop.

              Valence Gare Routière ➞ Grenoble-Gare-Routière

              Valence Gare Routière06:0007:0007:3608:0008:20—09:3710:0011:00———11:2511:3712:0013:0013:3714:0015:0018:0019:0019:2022:07
              Valence TGV Rhône-Alpes Sud06:2007:2008:0008:2008:4009:0009:5710:2011:2011:3011:30—11:4511:5712:2013:2013:5714:2015:2018:2019:2019:4022:27
              Romans - Bourg-de-Péage06:4007:40—08:4009:00—10:1310:4011:40———12:0512:1312:4013:4014:1314:4015:4018:4019:4020:00—
              Saint-Hilaire-St-Nazaire07:1008:10—09:1009:30—10:38——————12:38——14:38——19:1020:1020:30—
              St-Marcellin (Isère)07:3008:30—09:3009:50—10:5311:1012:10——11:4412:3012:5313:1014:1014:5315:1016:1019:3020:3020:50—
              Vinay————10:05——11:2512:25——12:07——13:2514:25—15:2516:25——21:05—
              Poliénas————10:20——————12:17—————————21:20—
              Tullins-Fures————10:32——11:4512:45——12:29——13:4514:45—15:4516:45——21:32—
              Moirans-la-Galifette————10:50——————12:46—————————21:50—
              Moirans————10:58——12:1013:10——12:54——14:1015:10—16:1017:10——21:58—
              Grenoble-Gare-Routière08:3009:3009:1010:3011:2310:00—12:3513:3512:3012:3013:1913:20—14:3515:35—16:3517:3520:3021:3022:2323:27
              Times marked with "—" indicate that the vehicle does not stop at this stop.
              Times marked with "—" indicate that the vehicle does not stop at this stop.
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              Route Path (Streets & Roads)

              Aller: St-Marcellin (Isère) ➞ Grenoble
              Impasse des Noyers - Route de la Gare - Rue de la Frise
              Retour: Valence Gare Routière ➞ Grenoble-Gare-Routière
              Rue Denis Papin - Boulevard Gabriel Péri - Impasse des Noyers - Route de la Gare - Route de la Morge - Rue du Grand Fays - Place de la Gare

              Schedules and stops for this route are published in GTFS: odp-swiss

              Bus K21 FAQ

              • What time does the K21 bus start operating?

                Services on the K21 bus start at 06:16 on lundi, mardi, mercredi, jeudi, vendredi, samedi, dimanche.

              • What time does the K21 bus stop working?

                Services on the K21 bus stop at 22:03 on lundi, mardi, mercredi, jeudi, vendredi, samedi, dimanche.

              • Is there a K21 bus stop near me?

                Click here to view the nearest K21 bus stop.

              K21 (Grenoble Buses)

              The first stop of the K21 bus route is St-Marcellin (Isère) and the last stop is Grenoble. K21 is operational during tous les jours.

              Additional information: K21 has 5 stops and the total trip duration for this route is approximately 72 minutes.

              See why over 2 million users trust and consider busmaps.com as the best public transport website. busmaps gives you Grenoble Buses suggested routes, real-time bus tracker, line route maps in Grenoble, and helps to find the closest K21 bus stops near you. No internet available? Download an offline PDF map and bus schedule for the K21 bus to take on your trip.

              K21 bus near me

              Last updated on 15 juin 2026