A site engineer reviewing a bill of engineering measurement and evaluation (BEME) for a 12km rural access road in Ogun State recently found that earthworks alone consumed 38% of the contract sum — far above the 20-25% typically budgeted. The cause was not poor estimating. It was a soil profile that shifted from lateritic gravel…

You are driving on a four-lane arterial road when traffic grinds to a halt — not because of an accident, but because the intersection ahead was designed without accounting for peak-hour turning volumes. The signal phase is too short. The lane widths are too narrow for the truck traffic that dominates the corridor. The right-turn…

Drive along the Abuja–Kaduna Expressway, cross the Third Mainland Bridge in Lagos, or navigate the growing ring-road network around Port Harcourt, and you are experiencing decades of transportation engineering decisions made visible. Some of those decisions were sound. Others — crumbling asphalt shoulders, under-designed drainage channels, bridges with no pedestrian provision — reveal what happens…