About Kenya National Highways Authority
The Kenya National Highways Authority (KeNHA) is a statutory body established under the Kenya Roads Act of 2007 and inaugurated in September 2008.
KeNHA is responsible for the development, rehabilitation, management and maintenance of all National Trunk Roads comprising of Class S, A, and B roads. The classes are defined as follows:
A Highway that connects two or more cities and carries safely a large volume of traffic at the highest speed of operation; Total - 40 Kilometers (All Paved)
A Highway that forms a strategic route and corridor connecting international boundaries at identified immigration entry and exit points and international terminals such as international air or sea ports; Total - 6,830 Kilometers (Paved 4,975 KMs, Unpaved 1,855 KMs)
A Highway that forms an important national route linking national trading or economic hubs, County Headquarters and other nationally important centers to each other and to the National Capital or to Class A roads. Total - 14,713 Kilometers (Paved 7,202 KMs, Unpaved 7,511 KMs)
KeNHA is headquartered in Nairobi and has ten regional offices and three corridor management offices. KeNHA was certified ISO 9001: 2008 on July 2013 and was recertified to ISO 9001: 2015 in September 2018. KeNHA is also in charge of all weigh bridge installations.