| National road N-I | |
|---|---|
| Carretera Nacional N-I | |
| Route information | |
| Length: | 475 km (295 mi) |
| Major junctions | |
| From: | Madrid |
| To: | Irun |
| Highway system | |
| National roads in Spain | |
The N-I was the former main road from Madrid to France in Spain.
The majority has now been replaced by the Autovía A-1 and Autopista AP-1. Autovía A-1 starts at Madrid then goes to Burgos. N-I then runs parallel to AP-1 (toll highway) to Miranda de Ebro. It becomes again A-1 and goes via then goes via Vitoria, Altsasu (Alsasua), Beasain, Tolosa, Donostia and Irun.