American firm Bechtel International is set to begin construction work on Nairobi-Mombasa Expressway at the end of this year.
Kenya National Highway Authority (KeNHA) Communication director Charles Njogu on Thursday said that feasibility studies and designs of the superhighway are complete.
Bechtel International, the largest construction and civil engineering company in the United States and based in San Fransisco, California, will build the four-lane highway at a cost Sh230 billion.
“The 473 km express highway will allow uninterrupted speeds of 120 km/h, cutting travel time from 10 to four hours,” Njogu said by phone.
"This is a completely new roadway that will take up a lot of money because farmers whose land will be used will be compensated," he added.
The mega project will be funded by US Export Credit Agencies, including the US Export-Import Bank and the Overseas Private Investment Corporation and is expected to be completed in six years.