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National road 814
National road 814
Route nationale 814
Route information
	Part of E46
Length	28 km (17 mi)
Existed	1997–present
Major junctions
East end	Porte de Paris for A13
	A 13; A 88; D 562; A 84; N 13; D 515;
West end	Porte de Bretagne for A84
Location
Country	France
Major cities	Caen
Highway system
	Roads in France; Autoroutes; Routes nationales;

The Boulevard périphérique de Caen is a ring road circling the French city of Caen. It is the route nationale 814. Traveling speed on the road is limited to 90 km/h (55 mph) between the Exit 13 and 8, with a brief portion near the Exit 1 as well as the Viaduc de Calix limited to 70 km/h (45 mph) and 110 km/h (70 mph) elsewhere. It is a 4-lane hard-shouldered road that was finished on 30 September 1997. The total length of the périphérique de Caen is 26 km (16 mi).

Notable features include the Viaduc de Calix which spans the River Orne and Canal de Caen à la Mer.

History

The idea of creating an urban bypass boulevard dates back to 1931 with the Dauger urbanization plan. The plan was a question of improving traffic by organizing peripheral traffic by means of a boulevard connecting radial roads, so as to form a radioconcentric network.^[1] It was revived in the early 1970s with the urban development of the city.^[2] The ring road was opened in stages:^[3]

13 December 1975: opening of the eastern ring road between the Route de Falaise and the Route de la Délivrande.^[4]
19 May 1976: opening of the northern ring road between Route de la Délivrande and Boulevard Weygand (now Boulevard Jean Moulin)^[5]
31 July 1976: extension of the northern ring road between Boulevard Weygand (now Boulevard Jean Moulin) and Chemin Vert^[6]
28 August 1976: junction between the ring road and the N13 (2,500 metres)^[7]
13 September 1978: Déclaration d'utilité publique for the section between the roads of Cherbourg (N13) and Brittany (N175)
30 September 1997: opening of the last section between Fleury-sur-Orne and Bretteville-sur-Odon

As of 26 April 2015, the ring road is no longer lit at night except on the Viaduc de Calix and the Bessin and Porte de Paris interchanges.^[8]

Further work

Northern part

In order to relieve congestion in the northern ring road, a third lane was planned between the Viaduc de Calix and Le Chemin-Vert. Work began in March 2017 with preliminary tree felling work^[9] along the relevant section.^[10]

Work on the Hamelin ramp began on 15 April 2021 with improvements on the D60.^[11] The construction of the ramp itself was carried out in the second half of 2021;^[12] it was commissioned on 27 July 2022.^[13]

List of junctions

Department	Location	km	mi	Junction	Destinations
Calvados	Mondeville	0.0	0.0	A 13 - 1 Porte de Paris	Paris, Rouen, Le Havre, Deauville, Mondeville and Giberville
	Mondeville	1.4	0.9	D 513 - 2 Presqu'île-Rives de l'Orne	Mondeville, Colombelles, Caen station; Route de la Côte Fleurie
	Hérouville-Saint-Clair	2.9	1.8	D 515 - 3 Porte d'Angleterre	Ouistreham, Caen (Saint-Jean-Eudes)
	Hérouville-Saint-Clair	3.8	2.4	4 Pierre Heuzé	Hérouville-Saint-Clair, Caen (Pierre Heuzé)
	Caen	5.2	3.2	D 7 - 5 Côte de Nacre	Douvres-la-Délivrande, Épron, Caen (campus 1, Calvaire Saint-Pierre)
		6.2	3.9	6 Vallée des Jardins	Saint-Contest, Caen (Vallée des Jardins, La Folie Couvrechef - Mémorial)
		8.0	5.0	D 401 - 7 Chemin Vert	Saint-Germain-la-Blanche-Herbe, Caen (Chemin vert, La Maladrerie)
	Saint-Germain-la-Blanche-Herbe	9.9	6.2	N 13 - 8 Porte de Bessin	Cherbourg, Bayeux
	Bretteville-sur-Odon	13.2	8.2	A 84 - 9 Porte de Bretagne	Vire-Normandie, Rennes, Nantes
	Éterville	14.6	9.1	D 8 - 10 Éterville	Louvigny, Caen (la Prairie)
	Ifs	18.1	11.2	11 Suisse Normande	Flers, Fleury-sur-Orne, Caen (Grâce de Dieu)
		21.0	13.1	12 Ifs	Ifs, Caen (campus 3)
		22.1	13.7	N 158 - 13 Porte d'Espagne	Alençon, Le Mans, Tours
	Cormelles-le-Royal	23.3	14.5	D 229 - 14 Cormelles	Cormelles-le-Royal, Caen (Guérinière)
	Cormelles-le-Royal	24.5	15.2	15 Vallée Sèche	Grentheville, Caen (Sainte-Thérèse)
	Mondeville	26.6	16.3	D 613 - 16 Pays d'Auge	Lisieux, Caen (Demi-Lune)
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Notes

^ "La modernisation de la ville de Caen: Le plan d'urbanisme Dauger". L'Ouest-Éclair (Caen ed.). 17 August 1931.
^ "Le périph: c'est pour demain". Liberté de Normandie. 29 January 1972.
^ Desquesnes, Rémy (2001). Caen 1900-2000 : un siècle de vie (Éditions des Falaises ed.). Fécamp.
^ "Opening of the ring road is between the road of Falaise and the road of the Délivrande". Liberté - Le Bonhomme libre. 13 December 1975.
^ "Périphérique : ouverture d'une nouvelle section entre la route de la Délivrande et le boulevard Weygand". Liberté - Le Bonhomme libre. 19 May 1976.
^ "Commissioning of the section between Boulevard Weygand and Rue du Chemin Vert". Liberté - Le Bonhomme libre. 31 July 1976.
^ "De Paris à Bayeux sans feux rouges". Liberté - Le Bonhomme libre. 28 August 1976.
^ "La fin de l'éclairage public sur le périphérique de Caen". ici, par France Bleu et France 3 (in French). 22 April 2015. Retrieved 27 August 2022.
^ "PÉRIPHÉRIQUE. Les travaux de sécurité ont démarré". Liberté - Le bonhomme libre. 16 March 2017.
^ "En 2020, on roulera sur trois voies sur le boulevard périphérique nord de Caen". actu.fr (in French). Retrieved 27 August 2022.
^ "Périph de Caen : les travaux des deux nouvelles sorties débutent en 2021". actu.fr (in French). 14 January 2021. Retrieved 27 August 2022.
^ "Nouvelle bretelle sur le périph nord de Caen : le chantier débute". actu.fr (in French). 26 March 2021. Retrieved 27 August 2022.
^ "Périphérique de Caen : la nouvelle sortie ouverte sans prévenir au pied du CHU". actu.fr (in French). 27 July 2022. Retrieved 27 August 2022.