Traffic in Nairobi’s central business district has for many years remained a nightmare for many road users. But that could soon be a thing of the past if the Nairobi county government and its partners complete the setting up of a new traffic control system. Chris Wang’ombe spent the day with the Nairobi county executive in charge of public works, roads and transport Evans Ondiek and got a preview of the challenge faced by the county government in returning sanity to city streets.