Trotro route Odawna to Osu through Ring Road Central. With outstanding network, the Odorna Osu trotro route makes one of the transit routes with easy flow of traffic. It moves through the Adabraka suburb and meanders its way through the Ring Road to reach the Osu Presby schools. This city transportation service is one line that helps commuters access the southern coaster suburbs of Accra from the West.