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

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Quick Facts Route information, Length ...

A48 autoroute
Autoroute du Dauphiné
Route information
Part of E711
Length	52.5 km (32.6 mi)
Existed	1968–present
Major junctions
South end	A43
North end	Grenoble
Location
Country	France
Highway system
Roads in France Autoroutes Routes nationales

Close

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.

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

• River Isère
• Col de Rossatière
• Lac de Paladru
• Chartreuse Mountains

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

• A48 autoroute in Saratlas