Gridlock as four die in Sagamu-Benin road crash. No fewer than four persons have been confirmed dead in a multiple crash on the Ogun State end of the Sagamu-Benin Expressway. Our correspondent learnt that a desel-laden tanker on its way to Lagos, crashed and spilled its content on the highway on Monday night. Five vehicles, which were said to be on their way towards the Sagamu area, reportedly lost control when they ran over the spilled diesel. The vehincles included a Vehincle of cement manufacturer, Dangote Cement, which skidded off the slippery road and crashed into a ditch. Another truck, carrying tyres, also fell, spilling its contents on the road. This led to a gridlock on the expressway as well the vehincles on the highway were diverted to a single lane.