A3 autoroute

The A3 Autoroute is a French autoroute located entirely within the department of Seine-Saint-Denis, serving Montreuil, Rosny-sous-Bois, and Bondy. Its southern terminus is an interchange with the Boulevard Périphérique at the Porte de Bagnolet, and its northern terminus is an interchange with the A1 near Aéroport CDG. The A3 is 18 km long, and forms a part of European Route E15. A brief segment of its length is a concurrency with the A86. The first section of the roadway opened in 1969 between the Porte de Bagnolet and Bondy. Following the closure of the A186, one spur route branches off from the A3 - the A103 Autoroute.

A3 autoroute shield
A3 autoroute
Route information
Part of E15
Length17.8 km (11.1 mi)
Existed1969–present
Major junctions
South endParis (Porte de Bagnolet)
Major intersections A 86 in Rosny-sous-Bois and Bondy
North end A 1 in Roissy-en-France near CDG Airport
Location
CountryFrance
Highway system
  • Roads in France

The A186 Autoroute was originally planned to connect the A3 with the A86 - however this spur was never completed. It closed in May 2019, and will be converted into an extension of Île-de-France tramway Line 1 by 2024.[1][2]

Lists of Exits and Junctions
The A3 near Sortie 4
Region Department km mi Junctions Destinations Notes
Île-de-France Paris 0.0 0.0    Boulevard Périphérique + Porte de Bagnolet Lyon / Orly / Porte de Montreuil / Metz-Nancy / Rouen / Porte des Lilas
Seine-Saint-Denis 1.4 0.8  Junction 1  Montreuil-Centre, Romainville, Bagnolet Entry and exit only from Paris
1.7 1.05  Junction 2  Montreuil-Villiers-Barbusse, Romainville
4.4 2.48   A 86 + A 103 Fontenay-sous-Bois, Rosny-sous-Bois, Créteil, A 4
7.0 4.3   A 86 Saint-Denis, Bobigny, Drancy, A 15 Entry and exit only from Paris
7.6 4.7  Junction 3  N 3 / D 933 Bondy-centre, Meaux, Livry-Gargan, Les Pavillons-sous-Bois Entry and exit only from Paris
8.3 5.1  Junction 3  N 3 / D 933 N 186 / D 986 Bondy, Meaux, Bobigny, Porte de Pantin, A 86 ( A 15) Entry and exit only from A1
9.2 5.7  Junction 4  Bondy-La Noue Caillet, Aulnay-sous-Bois-Nonneville Entry and exit only from Paris
10.2 6.3  Junction 5  D 115 Aulnay-sous-Bois-Centre, Drancy, Le Blanc-Mesnil-Centre
12.2 7.5   A 1 Paris-Porte de la Chapelle, Saint-Denis Entry and exit only from Paris
12.4 7.7  Junction 6a/6b  N 2 / D 932 Aulnay-sous-Bois-Industrial Zone, Le Blanc-Mesnil-Industrial Zone
Val d'Oise 15.4 9.5   A 104 / D 170 Soissons, Marne-la-Vallée, Lyon, Sarcelles, Gonesse
17.0 10.5  Junction  Roissy-en-France, Aéroport CDG
17.8 11.1   A 1 Bruxelles, Chantilly, Lille Entry and exit only from A1 (Lille)
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

European Routes
European Route Location
E15 entire length
Template:Attached KML/A3 autoroute
KML is from Wikidata

References
  1. "En savoir plus". Tram Bobigny Val de Fontenay (in French). Retrieved 2022-02-13. Le réaménagement de l'A186 en rue paysagère L'A186 devait relier l'A86 à l'A3 mais n'a jamais été terminée. Aujourd'hui d'une largeur moyenne de 70 mètres, l'autoroute A 186 sera démolie pour laisser place à une avenue paysagère connectée à la voirie locale. Le tramway viendra s'y insérer sur sa partie nord.
  2. Marnette, Elsa (2019-05-28). "Montreuil - Romainville : l'A186 ferme pour de bon". leparisien.fr (in French). Retrieved 2022-02-13.
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