The construction of the long-awaited Rironi-Mau Summit Road is finally poised to commence in June, following a directive from the Cabinet, bringing an end to the delays that had hindered the multibillion-shilling project.

During a meeting chaired on Tuesday by President William Ruto, the Cabinet instructed the finalisation of the construction framework and the groundbreaking of the 170-kilometre road by June 1, 2025.

“The road which is expected to be undertaken by the Kenya National Highways Authority (KenHA) will see the 170km road upgraded from the current single carriageway to a dual carriageway,” the Cabinet brief stated.

The directive marks a major step in upgrading the highway, a key transport corridor linking Nairobi to Nakuru and Western Kenya, which has long suffered severe congestion, particularly during weekends and national holidays.

The road will be expanded from its existing two-way single carriageway to a four-lane dual carriageway, with sections widened further to six lanes based on traffic volume.

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"This road development is expected to ease transport and travel from Nairobi through Nakuru to Western Kenya, a route that has long suffered from serious traffic congestion on weekends and during national holidays," the Cabinet brief added.

"The project, which is set for completion within 24 months, with a target date of June 2027, is part of Kenya's broader infrastructure transformation aimed at enhancing connectivity across the country and the region, while driving economic growth."

According to an earlier proposal by KeNHA, the project will also include the reinforcement of 57.8 kilometres of the A8-South highway between Rironi and Naivasha via Mai Mahiu.

The government anticipates that once completed, the road will not only ease travel but also boost trade and economic activities along the corridor.