Ligne 21 du réseau de Genève

La ligne ****21**** du réseau de Genève est une ligne de bus sous-traitée par le groupe Accentours dans l'agglomération genevoise. Elle relie *Gare des Eaux-Vives* à *Cressy*.

## Caractéristiques de la ligne

### Chiffres clés

* Longueur de la ligne : 24 km
* Durée aller-retour : 108 min
* Vitesse commerciale : 13,1 km/h
* Taux de fraude : 10 %

### Tracé

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### Arrêts

* **Genève-Eaux-Vives-Gare**, *correspondance Léman Express* **1** **9** **12** **33** *17 A*
* Amandolier
* Rieu, *correspondance* **5** *25*
* Aubert, *correspondance 8*
* Beau-Soleil (Clinique-Générale)
* Crêts de Champel, *correspondance* **3**
* Bout-du-Monde, *correspondance* **11**
* Val d'Arve
* Fontenette
* Moraines *(direction Eaux-Vives)*
* Carouge-Marché *(direction Eaux-Vives)*, *correspondance* **11** **12** **18**
* Armes *(direction Cressy)*, *correspondance* **11** **12** **18**
* Carouge-Tours, *correspondance* **41** **42** **44** **45** *11 23*
* Stade de Genève
* Lancy-Pont-Rouge-Gare/Étoile, *correspondance* **15** **43** **D** *17 J K*
* Lancy-Pont-Rouge-Gare, *correspondance Léman Express 17 J K*
* Petit-Lancy-Place
* Les Esserts, *correspondance* **14** **22** **23** **28** *J K*
* Bossons *(direction Eaux-Vives)*
* Lancy-Hubert
* De-Ternier, *correspondance* **2** **19**
* Onex-Marché
* Gros-Chêne
* Duret
* Galeries du Loup
* Onex-Salle communale, *correspondance* **14** **43** *J K*
* La Traille
* Vallet, *correspondance* **43**
* Berthet
* **Cressy**

## Exploitation de la ligne

### Fréquentation

La fréquentation est exprimée en nombre de voyageurs par créneau.

 le samedi | 3 480
 les dimanches et jours fériés | 3 300

### Fréquence

La ligne 21 est exploitée avec un parc de 16 véhicules articulés offrant les fréquences suivantes :

 le samedi | 16 min
 les dimanches et jours fériés | 18 min

### Amplitude horaire

La ligne fonctionne du lundi au vendredi de 5h à 0h35 et les samedis, dimanches et fêtes à partir de 5h30 environ. Les nuits des vendredis et samedis après minuit, la liaison entre Onex et Cressy est assurée par un prolongement de la ligne 2. *(source Wikipédia)*

### Chronologie

* 06/12/2017 : mise en service de la ligne
* 07/12/2017 : ajout de 1 Ikarus 260
* 20/01/2018 : ajout de 4 Hess B58
* 03/07/2018 : ajout de 2 Hess B58
* 19/07/2018 : ajout de 1 Hess B58
* 08/01/2019 : retrait du Ikarus 260 (vendu sur le marché de l'occasion)
* 08/01/2019 : ajout de 1 Renault R312 (ex-ligne 1)
* 02/04/2019 : retrait de tous les véhicules anciens (redéployés sur la ligne 7)
* 02/04/2019 : ajout de 12 Mercedes Citaro G C2
* 31/10/2020 : ajout de 4 Mercedes Citaro G C2 (ex-ligne 11)