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Package 37 Ring Road Project.

The project is located in Addis Ababa, Ethiopia, with a total length of 20 km and a carriageway width of 6.6 meters. It includes major interchanges such as the Saris Abo interchange and a diverging diamond interchange (DDI) at the Lebu interchange. Key structural features comprise two pre-stressed precast overpass bridges of 310 m span, a 150 m overpass loop bridge at the Imperial junction, two additional pre-stressed precast overpass bridges of 290 m span at the Lebu intersection, and two precast underpass bridges with a total span of 22.20 m at Kadisco and Saris Abo. Constructed on predominantly flat and rolling terrain, the pavement surface standard is asphalt concrete. The project was financed by the Government of the Federal Democratic Republic of Ethiopia and delivered under the Design-Bid-Build method, with a total construction cost of USD 60,167,087.90.