Five people died on Tuesday night after three vehicles collided on Kangundo Road at an area referred to as Reflector in Kamulu.
The crash involved a passenger bus, a lorry and saloon car (Probox).
Police said the accident occurred as the saloon car was overtaking when it collided head-on with the oncoming bus.
Kayole OCPD Wilson Kosgey said that the occupants of the saloon car were travelling to Joska in Kangundo from Nairobi where they had just picked a relative who had been discharged from hospital.
The bodies of the accident were taken to City Mortuary.