A48 autoroute

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A48 autoroute shield

A48 autoroute
Autoroute du Dauphiné
Route information
Part of
Length52.5 km (32.6 mi)
Major junctions
South endA43
North endGrenoble
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:

KML is from Wikidata