A3 highway (Nigeria)

A3 marker
Trunk Road A3
The A3 highway is indicated in orange.
Route information
Length1,502 km (933 mi)
Major junctions
South end A2 – Port Harcourt
Major intersections
Northeast end – Gamboru, Cameroon
Location
CountryNigeria
Major cities
Highway system
A2 A4

The A3 highway is a major arterial road in Nigeria, connecting the city of Port Harcourt in the south to the Cameroon border at Gamboru in the northeast. It is a transportation route, serving several cities and regions in Nigeria.