A48 autoroute
Road in France
title: "A48 autoroute" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["autoroutes-in-france"] description: "Road in France" topic_path: "geography/france" source: "https://en.wikipedia.org/wiki/A48_autoroute" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0
::summary Road in France ::
::data[format=table title="Infobox road"]
| Field | Value |
|---|---|
| country | FRA |
| type | A |
| route | 48 |
| alternate_name | Autoroute du Dauphiné |
| maint | AREA |
| map | France A4X A48.svg |
| length_km | 52.5 |
| established | 1968 |
| direction_a | South |
| direction_b | North |
| terminus_a | in Cessieu |
| terminus_b | in Saint-Égrève near Grenoble |
| junction | in Voreppe |
| e-road | |
| :: |
|country = FRA |type = A |route = 48 |alternate_name=Autoroute du Dauphiné |maint= AREA |map=France A4X A48.svg |length_km=52.5 |established=1968 |direction_a=South |direction_b=North |terminus_a= in Cessieu |terminus_b= in Saint-Égrève near Grenoble |junction= in Voreppe |e-road=
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.
Characteristics
- 2x2 lanes
- 2x3 lanes between the A49 and A480 autoroutes (10 km)
- 97 km long
- Service areas
History
- 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.
Junctions
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