The activities of Trandev Poitou-Charentes, Chatellerault site, a subsidiary of Transdev, consist of :

• 2 depots: Poitiers and Chatellerault
• Regional road lines in the Nouvelle-Aquitaine region,
• School transport on behalf of the Nouvelle-Aquitaine Region,
• School transport on behalf of Grand Châtellerault
• School and regular transport on behalf of the Vitalis urban network in Poitiers,
• 1 urban line in the commune of La Roche-Posay,
• TER Poitiers Nantes line, TER Poitiers Chatellerault line
• School transport for certain town halls
• Private shuttles (Center Parc)
• Occasional and tourist services