Ethiopian road authority manual

 · Geometric Design Manual is prepared under the direction of the Ethiopian Roads Authority to establish basic design techniques for economical design of highway geometric including typical sections, horizontal and vertical alignment, and design of junctions. The Roads Authority of Namibia is a statutory body established in terms of the Roads Authority Act, Act 17 of Section 3 of This Manual was however not available until completion of this suite of Procedures Manuals of the Roads Authority. The reader is nevertheless referred to this comprehensive Manual for further reading. This Booklet has been developed by the Ethiopian Road Authority as one of a number of initiatives to help rapidly expand, develop and maintain the rural road network to provide greatly improved road access and lower the transport costs for rural communities. The Booklet specifically sets out guidance for Weredas, Kebeles and all.

The Manual complements and links to the Ethiopian Roads Authority (ERA) design manuals for higher traffic roads and is accompanied by ERA documents dealing with Technical Specifications, Drawings. In order to a establish a design rainfall and flow estimation methodology compatible to the Ethiopian environment and facilitate standard design practices in all road design works in Ethiopia, the Ethiopian Road Authority (ERA) had commissioned Louis Berger Group to prepare a road drainage design manual in under a credit from the International Development Agency (IDA). The Bridge Design Manual is written for the practicing engineer and describes current, mandated and recommended practice in selected aspects of bridge engineering. These are based on mathematical calculations, and the Ethiopian terrain, experience and research, and have the support of the Ethiopian Roads Authority. It closely follows American.

Ethiopian Roads Authority () Geometric Design Manual. Addis Ababa, Ethiopia. In , the Ethiopian Roads Authority (ERA) first brought out road design manuals and standard technical specifications and drawings to provide a standardised. the Ethiopian standards (Bridge Design Manual: ) based on AASHTO will be used as maintenance, the Ethiopian Roads Authority, the contractor and the.