KeNHA closes Thika-bound service lanes at Kihunguro until 20 December

Motorists heading from Nairobi to Thika face diversions through November and December while KeNHA carries out bridge works at Kihunguro.

What happened

The Kenya National Highways Authority (KeNHA) has temporarily closed the Thika-bound service lanes at Kihunguro along the Thika Superhighway from Sunday, 15 November to Sunday, 20 December 2026 [1][2]. The closure is needed for bridge construction works [1][2]. According to KeNHA Director General Luka Kimeli, contractors will carry out the pre-assembly and hoisting of the bridge superstructure [1].

Why Kenyans are searching for it

The sources do not say why people are searching for this closure. They describe the disruption as affecting motorists and commuters on a busy route [3], but they do not report on public interest or any other reason for the search activity.

Key facts

• Affected section: the Thika-bound service lanes at Kihunguro [1][2].
• Dates: 15 November to 20 December 2026 [1][2][3].
• Length: described as five weeks [1] and as a month-long closure [2]. Pulse says the disruption spans over a month [3].
• Diversion for Nairobi-to-Thika traffic: through Shell Petrol Station before rejoining the highway, or via the road behind the petrol station to reconnect with Thika Superhighway [1][2].
• Notice date (sources disagree): The Standard says the notice was issued on Monday, 9 November [1]. The Star says it was issued on Sunday, 8 November [2]. Pulse does not give a notice date [3].
• Type of disruption: Pulse calls it a partial disruption [3]. The Standard and The Star describe the closure of the service lanes [1][2].

What to watch

• KeNHA urges motorists to follow the temporary traffic arrangements, take care around the construction area and follow the designated diversion routes [1][2].
• The Star says motorists should cooperate with police officers and traffic marshals managing traffic during the works [2].
• According to Pulse, heavy machinery, cranes and construction crews will occupy parts of the road, and strict safety zones are being set up [3].
• The sources give no detail on how traffic will move at peak hours, so drivers should check for updates from KeNHA before travelling.

Sources

1. [1] Five weeks of traffic disruption as KeNHA begins Kihunguro Bridge works - The Standard
2. [2] KeNHA announces month long closure of Thika-bound service lanes - The Star, Kenya
3. [3] KeNHA announces month-long traffic disruptions along Thika Superhighway - Pulse Kenya

Compiled by the NairobiCity trend desk from the sources above.