Le triage dans les années 50
An agreement signed on June 21, 1857 between the Minister of Public Works and the Compagnie des chemins de fer du Nord awarded the concession for the line, which comprises two sections: the section from Paris (La Plaine) to Soissons, and a possible line from Soissons to the Belgian border, via Laon, Vervins and Hirson.
This first line from Paris to Soisson will be opened in stages: