[2] The government of Nigeria has consistently invested in the enhancement of this critical transportation corridor, resulting in the significant upgrade to its current dual-carriageway configuration.

The highway continues its journey, finally terminating at a junction with Trunk Road A2, located approximately 14.4 kilometres north of Kano, one of Nigeria's largest and most populous cities.

The highway's northern terminus at Jibiya serves as a critical border crossing point into Niger Republic, connecting Nigeria to the neighbouring country's road network.

These improvements included the expansion of the highway to feature two lanes in each direction, allowing for smoother traffic flow and reducing congestion.

Notable cities along its route include: The A9 highway's strategic significance and its role in promoting economic development make it a vital component of Nigeria's road network.