The appointment comes as NTSA has been actively seeking to bring reforms to the public transport sector.
The radical changes are part of the government restructuring to enhance operations.
The rejection comes barely a day after President Ruto launched the plan in State House, Nairobi.
The accident happened five days after the transport board lifted an NTSA suspension.
Natembeya made the sentiments hours after Farouk Kibet criticised him.
CDF Kahariri sparked an uproar after comments he made that were perceived to be outside the military's scope of interest.
This could see Kenyans getting jobs with the new hub.
Aden Duale is the third CS in the Ministry since President Ruto took over.
Raila is taking on a role whose responsibilities are similar to the AUC Chairperson.
Cases of wild animals, especially lions, being spotted in public areas within Nairobi have been common recently.