The Kenya National Highways Authority (KeNHA) has announced a temporary closure of a section of the Mombasa–Nairobi Highway (A8), one of the country’s busiest road corridors.

The disruption, scheduled between Saturday, August 23, 2025, and Sunday, September 7, 2025, will affect the stretch between Makupa Bridge and Changamwe Interchange.

“The Kenya National Highways Authority (KeNHA) wishes to notify the public that a section of the Mombasa-Nairobi (A8) Highway will experience traffic disruption between the Makupa Bridge and Changamwe Interchange from Saturday, August 23, 2025, to Sunday, September 7, 2025,” read part of KeNHA’s statement dated August 19, 2025.

The authority says the closure will pave the way for critical road construction and drainage works aimed at improving connectivity along the section, which serves as a key gateway linking the Coast to the rest of the country.

Construction

According to KeNHA, the project is part of broader efforts to modernise the A8 and address recurring challenges, including traffic congestion and flooding. The section under work has often experienced bottlenecks, particularly since the completion of the Sh4.5 billion Makupa Bridge in 2022, which eased traffic flow but exposed weaknesses in adjoining drainage systems.

“This is to allow for road construction and drainage works to ensure seamless road connectivity between Makupa Bridge and the Changamwe area,” read the statement.

Acting Director General Eng. Luka Kimeli stressed the importance of the upgrades, noting that the works were necessary to ensure both safety and efficiency on a highway that plays a crucial role in trade and tourism.

Traffic management

To minimise disruptions, KeNHA has developed a traffic management plan that includes diversion routes and detailed guidance for motorists. Drivers will be directed along designated lanes for both Nairobi-bound and Mombasa-bound traffic between Seven Stars and Mitchell Cotts. Police officers and traffic marshals will be deployed to manage flow and ensure compliance.

“KeNHA advises motorists to follow the proposed traffic management plan below and cooperate with the police and traffic marshals on site,” the notice added.

The authority further encouraged road users to stay updated through its customer care line (0700 423 606) or official website (www.kenha.co.ke) for any changes or additional advisories during the closure period.

Safer, smoother travel

The A8 remains one of Kenya’s most significant road networks, serving thousands of travellers daily and facilitating the movement of cargo between the Port of Mombasa and inland markets. KeNHA urged patience and understanding from the public, as the temporary inconvenience will ultimately lead to a safer, smoother and more reliable highway.

“Upon reopening, motorists can expect improved drainage and reduced traffic snarl-ups, making travel along the section more efficient,” Eng. Kimeli assured.