| A404 autoroute | |
|---|---|
| Route information | |
| Maintained by Autoroute française | |
| Length: | 19.8 km (12.3 mi) | 
| Existed: | 1997 – present | 
| Major junctions | |
| South end: | A40 | 
| North end: | Oyonnax | 
| Highway system | |
| Autoroutes of France | |
The A404 autoroute is a motorway in France. The road connects A40 with Oyonnax and was completed in November 1997.
The motorway A404 will be in the long term be extended to Saint-Claude and connected to the Swiss motorway network.