| La Ciotat | Ciotabus | Communauté Urbaine Marseille Provence Métropole |  | 04.42.08.90.90 | - 8 bus routes
- 2 localities served
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| Landerneau | Le Bus - Ar Bus | Ville de Landerneau |  | 02.98.85.43.33 | - 7 bus routes
- 2 localities served
- 15 141 residents concerned
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| Langres | Bus Etoile | Ville de Langres |  | 03.25.87.04.84 | - 2 bus routes
- 1 transport on request route
- 1 locality served
- 10 392 residents concerned
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| Lannion | TILT | Communauté d'Agglomération Lannion-Trégor |  | 02.96.46.78.33 | - 6 bus routes
- 1 transport on request route
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| Laon | TUL | Syndicat Intercommunal des Transports Urbains de Laon |  | 03.23.79.07.59 | - 5 bus routes
- 1 funicular railway
- 1 transport on request route
- 3 localities served
- 30 600 residents concerned
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| Laval | TUL | Communauté d'Agglomération de Laval |  | 02.43.53.00.00 | - 17 bus routes
- 6 transport on request routes
- 20 localities served
- 76 000 residents concerned
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| Le Havre | Bus Océane | Communauté d'Agglomération Havraise |  | 02.35.22.35.00 | - 15 bus routes
- 1 funicular railway
- 1 transport on request route
- 17 localities served
- 258 514 residents concerned
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| Le Mans | SETRAM | Communauté Urbaine Le Mans Métropole |  | 02.43.24.76.76 | - 20 bus routes
- 1 tram line
- 2 transport on request routes
- 9 localities served
- 194 152 residents concerned
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| Le Puy en Velay | TUDIP | Communauté d'Agglomération du Puy-en-Velay |  | 04.71.04.37.00 | - 10 bus routes
- 6 localities served
- 36 000 residents concerned
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| Lens | Tadao | Syndicat Mixte des Transports de Lens-Liévin-Hénin-Carvin-Bétune-Bruay |  | 08.10.00.11.78 | - 73 bus routes
- 8 transport on request routes
- 114 localities served
- 610 000 residents concerned
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| Les Andelys | Andlybus | Ville des Andelys |  | 0.825.076.027 | - 4 bus routes
- 1 locality served
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| Les Sables d'Olonne | TUSCO | Communauté de Communes des Olonnes |  | 02.51.32.95.95 | - 9 bus routes
- 3 localities served
- 39 907 residents concerned
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| Libourne | Libus | Ville de Libourne |  | 05.57.51.00.24 | - 4 bus routes
- 1 locality served
- 22 472 residents concerned
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| L'Ile d'Yeu | ID Bus | Commune de l'Ile d'Yeu |  | - | - 4 bus routes
- 1 locality served
- 5 000 residents concerned
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| Lille | Transpole | Communauté Urbaine de Lille |  | 08.20.42.40.40 | - 2 underground railway lines
- 73 bus routes
- 2 tram lines
- 2 transport on request routes
- 87 localities served
- 1 100 000 residents concerned
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| Limoges | TCL | Communauté d'Agglomération de Limoges Métropole |  | 05.55.32.46.46 | - 18 bus routes
- 1 transport on request route
- 6 localities served
- 166 700 residents concerned
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| Lisieux | Lexobus | Ville de Lisieux |  | 02.31.62.49.95 | - 6 bus routes
- 3 localities served
- 27 007 residents concerned
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| Longwy | Semitul | Syndicat Intercommunal des Transports Collectifs du Bassin de Longwy |  | 03.82.24.11.13 | - 3 bus routes
- 14 localities served
- 57 171 residents concerned
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| Lorient | CTRL | Cap l'Orient |  | 02.97.21.28.29 | - 20 bus routes
- 19 localities served
- 185 000 residents concerned
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| Lourdes | Le City Bus | Ville de Lourdes |  | 0.800.100.329 (n° vert) | - 4 bus routes
- 1 transport on request route
- 1 locality served
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| Louviers | Transbord | Communauté d'Agglomération Seine-Eure |  | 0810.300.893 | - 16 bus routes
- 7 transport on request routes
- 29 localities served
- 57 067 residents concerned
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| Luxeuil les Bains | Luxeuilbus | Ville de Luxeuil-les-Bains | - | 0.800.23.50.37 | |
| Lyon | TCL | Syndicat Mixte des Transports Rhône et Agglomération Lyon |  | 08.20.42.70.00 | - 4 underground railway lines
- 123 bus routes
- 3 tram lines
- 2 funicular railways
- 1 transport on request route
- 64 localities served
- 1 325 000 residents concerned
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