The A3 Autoroute is a French autoroute located entirely within the départment of

Seine-Saint-Denis () is a department of France located in the Grand Paris metropolis in the region. In French, it is often referred to colloquially as ' or ' ("ninety-three" or "nine three"), after its official administrative number, 93. Its prefecture is Bobigny ...

, serving

Montreuil-sous-Bois Montreuil (), sometimes unofficially referred to as Montreuil-sous-Bois (), is a commune in the eastern suburbs of Paris, France. It is located from the centre of Paris in Seine-Saint-Denis. With a population of 109,914 as of 2018, Montreuil is ...

Rosny-sous-Bois Rosny-sous-Bois () is a commune in the eastern suburbs of Paris, France. It is located from the centre of Paris. It is the seat of the national centre of road information of the national gendarmerie. Population Heraldry Transport Rosny ...

, and

Bondy Bondy () is a commune in the northeastern suburbs of Paris, France. It is located from the centre of Paris, in the Seine-Saint-Denis department. In 2019, it had a population of 54,587. Name The name Bondy was recorded for the first time around ...

. 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 Le Bourget Airport. The A3 is 15 km long, and forms a part of

European Route E15 The European route E15 is part of the United Nations international E-road network. It is a north-south "reference road", running from Inverness, Scotland south through England and France to Algeciras, Spain.concurrency Concurrent means happening at the same time. Concurrency, concurrent, or concurrence may refer to: Law * Concurrence, in jurisprudence, the need to prove both ''actus reus'' and ''mens rea'' * Concurring opinion (also called a "concurrence"), a ...

with the A86. The first section of the roadway opened in 1969 between the Porte de Bagnolet and

. Following the closure of the A186, one spur route branches off from the A3 - the A103 Autoroute. 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 Île-de-France tramway Line 1 (usually called simply T1) is part of the modern tram network of the Île-de-France region of France. Line T1 connects Noisy-le-Sec station and Asnières-sur-Seine with a suburban alignment running in parallel to the ...

Lists of Exits and Junctions

European Routes

References