According to Transport and Infrastructure secretary James Macharia, the government hopes to obtain financing for the project by April so as to launch construction works by August.
“We have entered into a commercial agreement with Sinohydro as part of a wider plan for the dualling of the Northern Bypass,” Mr Macharia said in an interview with the Business daily on Tuesday.
“We are looking forward to getting funds from prospective financiers. We hope the project together with the Eastern Bypass construction will cost between Sh30 billion and Sh40 billion. This should be sorted out in the next three months after which construction works will start in the next four months.”
The road starts from Ruaka on Limuru Road, overpasses Banana Road through Runda and Thome estates. The bypass then proceeds to Kahawa West and eventually to Ruiru, through Kamae, where it joins the Eastern Bypass.
Phase one of the project was undertaken by China Road and Bridge Corporation.
The Northern Bypass has become very popular with motorists seeking to avoid the perennial traffic jam in the Nairobi central business district – prompting the government to expand it into a dual carriageway to forestall congestion on the road.
The project is among 11 major infrastructure developments that were presented by Kenya to investors during the two-day Belt and Road Forum for International Co-operation in Beijing, China, in May last year.
The dualling project, which will include construction of interchanges and flyovers, will be completed in about two years once it is commissioned.
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