The victims of the Lyantonde accident admitted at Mulago hospital are still unconscious.
These include Ivan Arinaitwe a resident of Kanungu, Amos Byamukama who is still in critical condition, Abdu Tuweba and Aisha Alinaitwe of Nyangoi village.
The four have broken legs, arms and other body injuries.
This accident that left five people dead involved a coaster registration number UAQ 158E.
The coaster was carrying people who were returning from burial in Kanungu district.
Police spokesman Southern region, Noah Sserunjogi says the driver of the coaster was sleeping before swerving off the road and falling in a trench.