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.

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

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

Lists of exits and junctions {| class="plainrowheaders wikitable" |- !scope=col|Region !scope=col|Department !scope=col|Junction !scope=col|Destinations !scope=col|Notes |- |rowspan="20"|Auvergne-Rhône-Alpes |rowspan="8"|Rhône |rowspan="2"| Boulevard périphérique de Lyon - A42 |Périphérique Nord : Clermont-Ferrand, Roanne (A89), Lyon - centre, Porte de la Doua

| Périphérique Sud : Marseille (A7), Grenoble (A43), Porte de Cusset

|Villeurbanne - Croix-Luizet, Saint-Jean, Vaulx-en-Velin

|Vaulx-en-Velin - centre

| RN 346 - A42 |Marseille (A7), Grenoble (A43)

| colspan="3" style="text-align:center | overlaps and becomes |- | A46 - A42 |Paris (A6), Villefranche-sur-Saône, Clermont-Ferrand (A89)

| colspan="3" style="text-align:center | becomes again |- |rowspan="12"|Ain | |Neyron, Miribel, Parc de Miribel-Jonage

|Beynost, Genève, Saint-Maurice-de-Beynost

| colspan="3" style="text-align:center| |- | A432 - A42 | Saint-Exupéry, Grenoble (A48), Chambéry, Paris, Villefranche-sur-Saône, Saint-Etienne (A47), Marseille (A7), Clermont-Ferrand (A89)

|La Boisse, Montluel

|colspan="5" style="text-align:center; |

|Dagneux, Balan

|Pérouges, Meximieux, Lagnieu, Z. I. Plaine de l'Ain

|colspan="5" style="text-align:center; |

|Ambérieu-en-Bugey, Lagnieu, Chambéry

|Pont-d'Ain

| A40 - A42 |Paris (A6), Strasbourg (A39), Milan, Genève, Oyonnax, Bourg-en-Bresse

External links

A42 autoroute in Saratlas