The BB 67615 and BB 67628 take the 4 cars of the Cévenol 15947 Clermont - Nîmes, on the viaduct of Chamborigaud.
On the famous "Cévennes" line, Intercity linking Clermont-Ferrand to Nîmes is emerging from the Talide tunnel in the Allier canyon.
Intercity linking Clermont-Ferrand to Nîmes is crossing the Chamborigaud viaduct over the Luech valley.
