A4 highway (Nigeria)
The A4 highway is a highway in Nigeria. It is a north-south route in the east of the country. It runs from Calabar near the coast through Ikom, Katsina Ala, Wukari and Numan to join the A3 highway near Maiduguri.
Coordinates: 5°10′53″N 8°21′12″E / 5.181257°N 8.353269°E