Cegelec Centre Est (2,8%) and the Caisse des dépôts et consignationsVille et transports - magazine, January 17, 2007. Bus and trolleybus TCL's bus network includes more than one hundred bus routes. Although greatly reduced compared to 1950, the Lyon trolleybus system is still the largest in France. Grenoble trams Grenoble's tram network is 32 km long, and comprises five lines: lines A, B, C, D and E. Line A was opened in 1987, line B in 1990, line C entered into service in 2006, line D opened in 2007, and line E in 2014. A previous network of tramways existed in Grenoble between 1894 and 1952. Grenoble became the second French city to reintroduce the tramway, after Nantes. Rolling stock The Tramway de Grenoble is served by a total of 88 pieces of rolling stock. Of those, 58 are TFS trams and the other 35 put in service on the occasion of the opening of the B line extension and the C line are Alstom Citadis trams. Network The network comprises 65 stations, 12 of which are shared by two lines. Line A has 29 stations, line B has 20 stations, line C has 19 stations, line D has 6 stations and line E has 17 stations. Projects for extensions are : line A extension (North: from Fontaine to Sassenage - South: from Échirolles to Pont-de-Claix); line D extensions (North: from Universités to Meylan - South: from Étienne Grappe to Grand'Place) Bus lines Urban Bus lines: 1 Grenoble Trois Dauphins - Claix Pont Rouge / Varces République. 3 Le Fontanil Croix de la Rochette / Saint-Égrève Rochepleine - Grenoble Chavant 9 La Tronche Grand Sablon - Meylan La Détourbe 11 Échirolles Comboire - Universités Biologie / Gières Universités IUT UFRAPS 2 Eybens Les Poulardes - Eybens La Grange du Chateau 13 Échirolles La Luire - Grenoble Trois Dauphins 16 La Tronche Cimetière du Grand Sablon / Grenoble Verdun Préfecture - Pont de Claix Flotibulle 17 Le Gua Les Saillants - Grenoble Trois Dauphins 21 Grenoble Verdun Préfecture - Gières Le Japin 23 Saint Martin d'Hères Neyrpic Belledonne - Grand'Place / Seyssins Le Prisme 26 Grand'Place / Fontaine Place du Néron - Universités Biologie 30 Grenoble Gare Europole / Saint Égrève Cap des H' - Saint Égrève Gare 31 Eybens Le Verderet - Meylan Maupertuis 32 Eybens Maisons Neuves - Corenc Montfleury / Meylan Lycée du Grésivaudan 33 Grenoble Petite Esplanade