[1] It is also the major route to the northern, southern and eastern parts of Nigeria.

[2] The expressway is the oldest in Nigeria, commissioned in August 1978 during the Military era, under the administration of Lieutenant-General Olusegun Obasanjo.

[3] The expressway is one of the busiest inter-state routes in Nigeria and handles more than 250,000 PCUs daily and constitutes one of the largest road networks in Africa.

[6] The reconstruction of the expressway was flagged off in July 2013 by President Goodluck Ebele Jonathan then president of the Federal Republic of Nigeria, to help reduce the travel time of hundreds of thousands of commuters and international air passengers.

[7] The contract was awarded to Julius Berger Nigeria and Reynolds Construction Company Limited at a sum of 167 billion Naira, equivalent to $838,986,290.