| Année | 1955 | 1960 | 1970 | 1980 | 1981 | 1982 | 1983 | 1984 | 1985 | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 |
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| Spécification | ||||||||||||||||||||||||||||||||||||||||||
| Longueur moyenne exploitée des lignes en km |
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à voyageurs ![]() |
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| à marchandises |
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| Effectif des véhicules routiers du parc commercial |
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| Autobus |
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| Nombre de places assises |
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| Remorques à bagages |
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| Camions |
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| Prestations effectuées |
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| Autobus |
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Véhicules-km![]() |
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| Camions |
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Véhicules-km![]() |
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Tonnage transporté![]() |
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