| Année (situation au 1.1.) | 1990 | 1995 | 2000 | 2008 | 2012 | 2016 | 2017 | 2019 | 2022 |
|---|---|---|---|---|---|---|---|---|---|
| [km] | [km] | [km] | [km] | [km] | [km] | [km] | [km] | [km] | |
| Voirie de l'Etat (total) | 2775 | 2820 | 2863 | 2875 | 2899 | 2908 | 2912 | 2914 | 2909 |
| Fonds du Kirchberg | 19 | 19 | 19 | 19 | 19 | ||||
| Routes nationales | 869 | 869 | 837 | 837 | 837 | 837 | 837 | 839 | 850 |
| Autoroutes | 78 | 123 | 115 | 147 | 152 | 161 | 165 | 165 | 163 |
| Chemins repris | 1828 | 1828 | 1911 | 1891 | 1891 | 1891 | 1891 | 1891 | 1877 |
