The N-1 (formerly designated as N-I) was the main road from Madrid to France in Spain. From Madrid, the road headed north to Burgos. In this section, most of the old N-I has been replaced by the Autovía A-1.^{[citation needed]} From Burgos to Miranda de Ebro the N-1 still exists, running parallel to the (formerly tolled) Autopista AP-1.^[2]

You can help expand this article with text translated from the corresponding article in Spanish. (April 2024) Click [show] for important translation instructions. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing Spanish Wikipedia article at [[:es:N-1]]; see its history for attribution. You may also add the template {{Translated|es|N-1}} to the talk page. For more guidance, see Wikipedia:Translation.

Quick Facts National road N-1, Route information ...

National road N-1
Carretera nacional N-1
Route information
Length	112.31 km[1][lower-alpha 1] (69.79 mi)
Major junctions
From	Madrid
Major intersections	Aranda de Duero, Burgos, Miranda de Ebro, Vitoria-Gasteiz, San Sebastián
To	Irun
Location
Country	Spain
Highway system
Highways in Spain Autopistas and autovías National Roads

Close

In Álava, the former N-I has been redesignated. Current roads using the alignment of the former N-I include the N-102 [es]^[3] and N-104 [es],^[4] the western and eastern access roads to Vitoria-Gasteiz. In the province of Gipuzkoa, the road is still signed as N-I despite being an autovía.^[5] The N-I in Gipuzkoa is tolled for heavy goods vehicles.^[6]