The damaged part of the Narok MaiMahiu road has been restored.
Kenya National Highways Authority on Wednesday evening said engineers had repaired part of the road that had been rendered impassable.
Floodwaters on Tuesday night completely cut off Nairobi-Narok road at Mai Mahiu.
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The road was de-linked at a section near Karima secondary school causing a traffic snarl-up on either sides.
The waters, as a result of the heavy rains that are pounding most parts of the country, dug a deep gulley on the said section.
KeNHA excavator at the scene where part of the road was cut off. COURTESY
The weatherman had predicted that Western, Nyanza, Rift Valley, Northern, Southeastern, Coast, Central and Nairobi will receive a substantial amount of rainfall.
The agency said the
rainfall will hit a high of more than 40mm within 24 hours in Nairobi, Western, Central, South and Central Rift Valley.
Hundreds of travellers were forced to spend the night in the cold after the road was cut off.
Following the incident, police moved in and blocked the road forcing motorists heading to Western Kenya to use the longer Naivasha-Nakuru.
Earlier, the floods swept away five students from the nearby Governors secondary school.
Two were rescued by their colleagues and rushed to Naivasha sub-county hospital.