The Brigadier Estanislao López Highway (AP 01) is a highway in the Argentine province of Santa Fe, linking the provincial capital Santa Fe and the city of Rosario. It runs north–south for 157 km (91 mi), roughly parallel to National Route 11.

You can help expand this article with text translated from the corresponding article in Spanish. 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:AP 01 (Santa Fe)]]; see its history for attribution. You should also add the template {{Translated|es|AP 01 (Santa Fe)}} to the talk page. For more guidance, see Wikipedia:Translation.

Named in honor of the 19th century caudillo and governor, Estanislao López, the highway was initiated by the Provincial Highway Bureau office during the tenure of Governor Aldo Tessio, and was built between 1964 and 1972.^[1] Provincial Law Nº 10.798, signed by Governor Carlos Reutemann in 1993, privatized the highway's operations and maintenance, and redesignated it as a toll road under the management of AUFE.^[2]