The road heads north from Abbeville, again numbered the RD928, passing east of the "Forêt de Crecy" and the Battlefield of Crécy. The road crosses the River Authie followed by the town of Hesdin. It passes to the north across rolling countryside and into the valley of the River Aa. The road crosses the A26 autoroute and enters the town of Saint-Omer. The road continues north over flat countryside joining the RD916 south east of Bergues. The RD916 and N225 take traffic the remaining 9 km to Dunkerque.