Carretera Nacional N-I
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The majority has now been replaced by the Autovía A-1 and Autopista AP-1.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 to Miranda de Ebro. It becomes again A-1 and goes via then goes via Vitoria, Altsasu, Beasain, Tolosa, Donostia and Irun.
