TER Hauts-de-France

TER Hauts-de-France is the regional rail network serving the French administrative region of Hauts-de-France in northern France. It is owned and operated by the French national railway company SNCF. It was formed in 2017 from the previous TER networks TER Nord-Pas-de-Calais and TER Picardie, after the respective administrative regions were merged.

Network
Four types of services are distinguished by TER Hauts-de-France:
 * Krono+ GV: fast connections, including high speed lines
 * Krono: fast connections between cities
 * Citi: frequent suburban services
 * Proxi: local services
 * To which summer seasonal (saisonnières) services are added, under the auspices of "éTER" operations.

The rail and bus network as of April 2021: