Ruto said the Mombasa–Nairobi route is especially important because it serves as a key transport corridor linking the port city to the rest of the country.
Every day, thousands of trucks use this road to transport goods from the port to inland destinations, including neighbouring countries.
However, the current road has often been criticized for congestion and delays, which slow down business activities.
The new highway is expected to reduce travel time, lower transport costs, and improve safety for motorists.
It will also support trade by making it easier to move goods quickly and efficiently from the coast to major towns and cities.
Beyond the coastal route, the President noted that the additional 2,800 kilometres of highways will open up different regions, making it easier for farmers and businesses to access markets.
He said better roads will help connect rural areas to urban centres, creating new opportunities for trade and investment.
The government plans to involve private investors in financing and building the highways, a move aimed at reducing the burden on public funds.
Ruto explained that partnerships with the private sector will play a key role in delivering the project within a reasonable time.
He also pointed out that the construction phase is expected to create jobs for many Kenyans, from engineers and technicians to casual workers.
This, he said, will not only improve infrastructure but also support livelihoods.
While the announcement has been welcomed by many, some observers have raised concerns about the high cost of the project and how it will be funded.
Questions have also been asked about toll charges and whether road users will have to pay to use the new highways.