The Paris–Lille railway is a 251-kilometre-long railway line, that connects the French capital, Paris, to the northern city of Lille. Branch lines offer connections to Belgium and Great Britain. Opene

The Chemins de fer du Nord often referred to simply as the Nord company, was a rail transport company founded in September 1845 in Paris. It was owned by, among others, de Rothschild Frères of France,