The Route nationale 17, or RN17, is a trunk road (nationale) in France connecting Paris to the border with Belgium.
The majority of the route runs close to the A1 autoroute. As a result, north of Senlis the road has been downgraded and re-classified as the RD1017 and RD917. There is a small section of the RN17 remaining between Arras and Lille.
Paris-Senlis-Arras-Lens-Lille-Belgium
The road starts north of Paris as a branch of the RN2, opposite the Airport Paris-Le Bourget, and heads north east as the Av du Mai 1985 and then Route de Flandre. The road skirts the western edge of the Charles de Gaulle Airport, crosses the RD104 and then through open countryside.
After the village of Survillers the road enters the Parc Naturel Régional de Oise Pays de France. The road now passes through the Forêt du Chantilly before reaching the Cathedral City of Senlis.
At Senlis there are junctions with the RN330, RN324 and A1. The road heads north through the Forêt d'Halatte crossing the River Oise at Pont-Sainte-Maxence crosses marsh and woodland before open countryside. There is a junction with the RN31 (E46) between Beauvais and Compiègne. The road then passes the villages of Estrées-Saint-Denis and Cuvilly passing the grounds of the Chateau de Tilloloy. The road crosses the autoroute and heads round the village of Roye. The bypass runs next to war-graves on the bank of the River Avre.