A16 autoroute shield
A16 autoroute
L'Européenne
Route information
Part of E40
Length319 km (198 mi)
Existed1991–present
Major junctions
South endAttainville
Major intersections
North endGhyvelde
Location
CountryFrance
Major citiesAmiens, Abbeville, Calais, Dunkerque
Highway system
  • Roads in France
The A16 motorway on the Echinghen viaduct near Boulogne-sur-Mer (Pas-de-Calais)

The A16 autoroute – also known as L'Européenne and forming between Abbeville and Dunkirk a part of the larger Autoroute des estuaires – is a motorway in northern France.

The motorway, which has a total length of 327 km (203 mi), starts at a junction with the N104 Francilienne near Attainville in Île-de-France and ends at the Belgian frontier near Bray-Dunes, serving en route Beauvais, Amiens, Abbeville, Boulogne-sur-Mer, Calais and Dunkirk in Hauts-de-France. From its starting point near Paris, the A16 runs in a northerly direction, continues north parallel to the English Channel from Abbeville and then in an easterly direction along the North Sea coast. It is one of the two main routes between the Port of Calais/Channel Tunnel and Paris, the other being the A26 and A1 route to the east.

The vast majority of the motorway was built in the 1990s to relieve the congested RN1 between Paris and the Côte d'Opale (Boulogne and Calais). An 8 km southern extension between l'Isle-Adam and Attainville to a junction with the Paris ring road N104 (Francilienne) opened in 2020. Between Amblainville and Boulogne it is operated by the Société des Autoroutes du Nord et de l'Est de la France (SANEF) and is tolled. From Boulogne to the Belgian border the road is managed by the Direction Départementale de l'Équipement (DDE), which does not impose a toll.

This motorway does not have any officially designated "full" service areas – all of them are designated "Aire de Repos" (rest area).

List of junctions

Junction number & name Northbound exits Southbound exits
 8 RN1, RN104, RD909, RD78 Montsoult, RN1, RN104, Attainville, Moisselles,

RD301, RD9,

 9  RD 64E, Presles Northbound Exit only
 10 RN1, RN184, Presles RN1, RN184
 11  RD 922, RN1, L'Île-Adam, Mours, Beaumont-sur-Oise RD 922, RN1, L'Île-Adam, Mours, Beaumont-sur-Oise
 12  RD 924, Persan, Chambly
 Péage d'Amblainville
 13  RD105, Méru RD105, Méru
 Aire de repos de Lormaison
 Aire de repos d'Auteuil
 14  Beauveais sud RN1, Beauvais RN1, Beauvais
 15 Beauvais RN31, Beauvais RN31, Beauvais
 Aire de repos du Chêne Peuquet
 16 RD930, Breteuil, Hardivillers-en-Vexin RD930, Breteuil, Hardivillers-en-Vexin
 Aire de repos de Hardivillers
 Aire de repos de laVallée de la Selle
 17 A29 A29
 18  RN29, Amiens, Salouël RN29, Amiens, Salouël
 28.1 A29 A29
 19  Amiens Amiens
 20  RN1, Amiens RN1, Amiens
 Aire de repos de Vignacourt
 21  RN1, Ville-le-Marclet RN1, Ville-le-Marclet
 Aire de repos du Haut Clocher
 22  Abbeville est RD925, Abbeville RD925, Abbeville
 23 Abbeville nord A28 A28
 Aire de repos de la Baie de Somme
 24  Côte Picarde RN1, RD32 Forest-Montiers, Nouvion RN1, RD32 Forest-Montiers, Nouvion
 Aire de repos du Bois de la Commanderie
 25  RD303 Berck-Plage RD303 Berck-Plage
 26  RN39, Le Touquet, Étaples RN39, Le Touquet, Étaples
 Aire de repos des Falaises de Widehem
 27  RD308, Neufchâtel-Hardelot RD308, Neufchâtel-Hardelot
 28  Boulogne sud RN1, Boulogne-sur-Mer, Hesdin-l'Abbé, Isques RN1, Boulogne-sur-Mer, Hesdin-l'Abbé, Isques
 Péage de Herquelingue
 29  Boulogne ports RN1, Boulogne-sur-Mer, Outreau, Le Portel RN1, Boulogne-sur-Mer, Outreau, Le Portel
 30  RD341, Boulogne-sur-Mer, Saint-Martin-Boulogne
 31  Boulogne est RN42, Boulogne-sur-Mer RN42, Boulogne-sur-Mer
 32  Boulogne nord Boulogne-sur-Mer Boulogne-sur-Mer
 33  RD940, Wimereux, Wimille RD940, Wimereux, Wimille
 34  Wacquinghen
 Aire de repos de L'Épitre
 35 RD241, Marquise
 36  RD191, Marquise RD191, Marquise
 37 Saint-Inglevert
 Aire de repos Les Deux Caps
 38  Saint-Inglevert
 39  RD243, Bonningues-lès-Calais RD243, Bonningues-lès-Calais
 40  RD215, Peuplingues, Fréthun RD215, Peuplingues, Fréthun
 41  Coquelles, Sangatte Coquelles, Sangatte
 42  Tunnel Channel Tunnel Channel Tunnel
 43  Calais centre RD305, Calais RD305, Calais
 44  Calais st-pierre Calais Calais
 45  Entrance only
 46  RD119, RD943, Calais–Centre, St. Omer RD119, RD943, Calais–Centre, St. Omer
 47 A26, Paris, Reims

A216, Calais–Port, Car Ferry

 A26, Paris, Reims

A216, Calais–Port, Car Ferry

 Aire de repos du Beau Marais (former site of, now closed)
 48  RD247, Marck RD247, Marck
 49  Marck Marck
 Aire de repos d'Offekerque
 50  RD219, Nouvelle-Eglise RD219, Nouvelle-Eglise
 51  RD218, Saint-Folquin, Gravelines RD218, Saint-Folquin
 52/52a/b  RD11, Saint-Georges-sur-l'Aa RD11, Bourbourg Gravelines
 53  RN316, Loon-Plage Dunkirk Port/Car Ferry RD300, Bourbourg St. Omer, Port/Car Ferry
 54/54a  RD131, Grande-Synthe, Dunkirk-Ouest RD131, Spycker
 55  No northbound exit Polyclinique de Grande-Synthe
 56  Grande-Synthe Centre Grande-Synthe Centre
 57/57a/b  RD625, RN225 Lille, Grande-Synthe RD625, RN225 Lille
 58  RD2020V Petite-Synthe, Saint-Pol-sur-Mer RD2020V, Petite-Synthe, Saint-Pol-sur-Mer
 59  No northbound exit RD202, Dunkirk Centre
 60  RD916, Dunkirk Centre, Cappelle-la-Grande RD916, Dunkirk Centre, Cappelle-la-Grande
 61  Dunkirk, Coudekerque-Branche Dunkirk Coudekerque-Branche
 62  RD635, Dunkirk-Est RD635, Dunkirk-Est
 63  RD4, Leffrinckoucke, Teteghem RD4, Leffrinckoucke, Teteghem
 64  No northbound exit RD79, Leffrinckoucke, Uxem
 65  RD947/947a, Bray-Dunes , Ghyvelde, Les Moeres RD947/947a, Bray-Dunes, Les Moeres
 Aire de repos du Ghyvelde

Future extensions

Currently the A16 runs from junction number 8 to junction number 65. This leads to speculation that the southern end of the motorway is intended to be extended either directly south by upgrading the RD301/RN1 to meet the A1 at Saint-Denis, Seine-Saint-Denis, or to the east by upgrading the RN104 to meet the A1 at Paris-Charles De Gaulle, thus completing the missing junction numbers.

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