The SNCF activates adapted services in case of forseeable interruptions.

Provision will depend which services are deemed to be priorities and the level of disruption. For domestic train services, guidelines for drawing up adapted transportation plans and user information are defined by the French government.

See the document 'Domestic Trains, Definition of Service Adaptations ' (96kB)
See the document 'Domestic Trains, Service Provision and Adaptations 2008' (61kB)
See the document 'Domestic Trains, Frequency According to Service Level and Route 2008' (24kB)