TER Nord-Pas-de-Calais was the regional rail network serving Nord-Pas-de-Calais région, France.

branch line: Somain – Lourches With the objective of connecting all the towns on the Northwest coast to Lille in less than an hour, the Nord-Pas de Calais région has put in place TERGV.

Certain trains, with the agreement of the SNCF, use the LGV Nord from Lille-Europe to reach their destination instead of conventional lines.

This enables them to connect Lille to Calais, Boulogne-sur-Mer, Dunkirk and Arras in less than an hour.

The railway is electrified from Calais-Ville via Gravelines to Dunkerque.