TER Champagne Ardenne was the regional rail network serving the former Champagne-Ardenne région of France. In 2016 it was merged into the new TER Grand Est. TER Network Rail Bus Châlons-en-Champagne – Vitry-le-François Château-Thierry – Montmirail – Esternay – Sézanne Chaumont – Clairvaux Culmont–Chalindrey – Gray Liart – Laon Sedan – Carignan – La Ferté-sur-Chiers Troyes – Laroche-Migennes Ville-sous-la-Ferté – Bar-sur-Aube – Vendeuvre Troyes – Châlons-en-Champagne – Reims – Charleville-Mézières (provided by TransChampagneArdenne and not TER Champagne-Ardenne) Rolling stock Multiple units SNCF Class Z 11500 SNCF Class X 4300 SNCF Class X 72500 SNCF Class X 73500 SNCF Class X 76500 (Also called: XGC 76500) SNCF Class B 81500 (Also called: BGC B 81500) Locomotives BB 16500 BB 66400 In Order SNCF Class Z 27500 (Also called: ZGC Z 27500) See also SNCF Transport express régional Réseau Ferré de France List of SNCF stations in Champagne-Ardenne Champagne-Ardenne External links Official TER Champagne-Ardenne website TER