[1] The 27.1-kilometer road starts from Mlolongo passing through JKIA and Nairobi’s CBD to the James Gichuru junction along Waiyaki Way.
The highway continues along the existing roadway to the Likoni Road Junction, a distance of approximately 10 kilometres (6 mi).
[3] The Nairobi Expressway is aimed at easing traffic and provide a seamless access to the Jomo Kenyatta International Airport and it's environs.
[4] The work involves expansion of the existing road to four-lanes one-way, (8 lanes total), with foot paths, drainage channels, overpass bridges and street lighting.
[5] In April 2022, 98.4 Capital FM reported that the construction of the expressway was complete and was awaiting political and commercial commissioning.