A42 autoroute

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A42 autoroute shield

A42 autoroute
Route information
Part of
Length: 52.3 km (32.5 mi)
Major junctions
North end: A40
South end: Lyon
Highway system
Autoroutes of France

The A42 autoroute is a short motorway in France. Being completed in 1987, the road connects the city of Lyon to its junction with the A40 roughly 50 km north-east of Lyon.


  • 2x2 lanes
  • 2x3 lanes between Lyon and Pérouges (26 km)
  • 70 km long
  • Service areas


  • 1983: Section between Neyron and Chazey (30 km) opened
  • 1988: Section between Chazey and Pont-d'Ain (19.5 km) opened


  • Sinnbild Autobahnkreuz.svg01 (Lyon: porte de Croix-Barret) Towns served Lyon Centre, Périphérique (RN383)
  • Sinnbild Autobahnausfahrt.svg01b (Villeurbanne Croix-Luizet-St Jean) Towns served: Villeurbanne Croix-Luizet, St Jean
  • Sinnbild Autobahnausfahrt.svg01a (Vauix-en-Velin) Towns served: Vauix-en-Velin
  • Sinnbild Autobahnkreuz.svgExchange A42-N346 Junction with N346 Lyon ring road to Orange south.
  • Sinnbild Autobahnkreuz.svgExchange A42-A46 Junction with A46 part of the Lyon ring road to Paris
  • Sinnbild Autobahnausfahrt.svg04 (Parc de Miribel-Jonage) : Towns served: Neyron and Miribel
  • Sinnbild Autobahnausfahrt.svg05 (Beynost) : Towns served: Beynost
    • Péage.png Péage de Beynost
  • Sinnbild Autobahnkreuz.svgExchange A42-A432 Junction with the A432 to Marseille
    • Aire d'autoroute - station essence.pngService Area: Lyon-Dagneux/Lyon-Montluel
  • Sinnbild Autobahnausfahrt.svg06 (Balan-Dagneux) Towns served: Montluel and Balan
  • Sinnbild Autobahnausfahrt.svg07 (Pérouges) Towns served: Pérouges, Meximieux and Saint-Jean-de-Niost
    • Aire de pique-nique.pngRest Area: Ambérieu
  • Sinnbild Autobahnausfahrt.svg08 (Ambérieu) Towns served: Ambérieu-en-Bugey
  • Sinnbild Autobahnausfahrt.svg09 (Pont-d'Ain) Towns served: Pont-d'Ain
  • Sinnbild Autobahnkreuz.svgExchange A42-A40 Junction with A40 to Mâcon (north), Geneva (Switzerland) (east) and end of autoroute.

External links[edit]

Route map: Google

KML is from Wikidata