A1 highway (Nigeria)

The A1 highway is a major road in Nigeria, connecting Lagos in the south to the border with Niger in the north at Birnin Konni.

Route description
The A1 highway, also known as Route 1, spans a significant distance across Nigeria, passing through major cities including Lagos, Ibadan, Minna, and Birnin Konni at the border with Niger.

Connectivity
The A1 highway facilitates trade, travel, and connectivity between Algeria's capital, Algiers, and the Republic of Niger. It is one of Nigeria's four main south-north highways, designated as A1 to A4.

At various points along its route, the Expressway 1 (E1) was constructed to enhance transportation infrastructure.

Major Cities
The A1 highway crosses through major cities. From Lagos to the border it crosses through Ibadan, Ilorin, and Sokoto.