A48 autoroute

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A48 autoroute shield

A48 autoroute
Autoroute du Dauphiné
Route information
Part of
Length: 52.5 km (32.6 mi)
Existed: 1968 – present
Major junctions
South end: A43
North end: Grenoble
Highway system
Autoroutes of France

The A48 autoroute, also known as l'autoroute du Dauphiné, is a motorway in France connecting the A43 with the city of Grenoble.

An extension north to Ambérieu is proposed in the medium term.[citation needed]


  • 2x2 lanes
  • 2x3 lanes between the A49 and A480 autoroutes (10 km)
  • 97 km long
  • Service areas


  • 1968: The first toll free section opened between the Bastille (Grenoble northern edge) and Voreppe as part of the preparations for the Winter Olympics held in the city and surrounding area.
  • 1975: Opening of the toll section between Voreppe and the A43 managed by AREA.


  • Sinnbild Autobahnkreuz.svgExchange A48-A43 Exits [to modify] Exchanger between A43 to Lyon/Chambéry and A48
    • Aire de pique-nique.pngRest Area: Burcin
  • Sinnbild Autobahnausfahrt.svg09 (Le Grand-Lemps) Towns served: Rives
    • Aire de pique-nique.pngRest Area: Réaumont
  • Sinnbild Autobahnausfahrt.svg10 (Champfeuillet) Towns served: Voiron
  • Sinnbild Autobahnausfahrt.svg11 (Voiron-Moirans) Towns served: Voiron
  • Sinnbild Autobahnkreuz.svgExchange A49-A48 Exchanger between A49 to Valence and A48
  • Sinnbild Autobahnausfahrt.svg12 (Veurey) Towns served: Voreppe
  • Péage.pngPéage de Voreppe
  • Sinnbild Autobahnausfahrt.svg13 (Voreppe) Towns served: Voreppe
    • Aire de pique-nique.pngRest Area: Voreppe/L'Isle Rose
  • Sinnbild Autobahnausfahrt.svg14 (Saint-Egreve) Towns served: Saint-Egreve
  • Sinnbild Autobahnausfahrt.svg15 (ZI Saint-Egreve-ZI/Saint-Martin-the-Vinoux) Towns served: Grenoble
  • Sinnbild Autobahnkreuz.svgExchange A48-A480 Junction between the A48 and A480 to Sisteron and Gap via A51.
  • Sinnbild Autobahnausfahrt.svg16 (Europôle-Polygon Scientific Grenoble) Towns served: Grenoble

Autoroute ends.

Places of interest[edit]

The following list indexes towns and places of interest that can be visited from the motorway:

  • River Isere
  • Col de Rossatière


There are proposals to extend the autoroute north from Bourgoin-Jallieu to Ambérieu-in-Bugey and connecting to the A42 autoroute.[citation needed]

External links[edit]

Route map: Bing / Google

KML is from Wikidata