Thesis Open Access

COMPARATIVE ANALYSIS OF ROAD USERS' COSTS USING HDM-4 SOFTWARE AND MANUAL TECHNIQUES: A CASE STUDY ON ADDIS ABABA-ADAMA EXPRESSWAY

BINIYAM MOGES KEBEBEW

Continuous changes in vehicle technology, road condition, traffic compositions initiate the change or updating of road users’ cost models. So that it needs to practice a continuous revision or update periodically for realistic estimation of costs and benefits. This paper presented the relationship and comparison between road users’ cost along Addis Ababa-Adama newly constructed expressway using the Highway Development and Management (HDM-4) Software and manually using formulations developed in the Portuguese model. The method started with data collection. All input data were collected from primary and secondary sources. The primary data utilized an interview, and secondary data was sourced out from pertinent documents, both published and unpublished. More data were gathered that related to vehicles. The vehicles using the road are classified based on the manual from the Ethiopian Road Authority as cars, utilities, small bus, large bus, small truck, medium truck, heavy truck, and truck trailer

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