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Assessing Traffic Congestion and Cost Analysis in Addis Ababa: The Case of Megenagna Diaspora and Lamberat Semen Bus Terminal Square, Yeka Sub – City

	International Journal of Scientific Research and Engineering Development (IJSRED)	Full Text:
	Published Issue : Volume-3 Issue-6
	Year of Publication : 2020
	Unique Identification Number : IJSRED-V3I6P78
	Authors : Habtamu Girma Teferi
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Abstract :

Traffic congestion has always been a major issue in any country. Congestions are generating many problems due to inefficiency and with congested roads, the vehicle's speed was simultaneously up and down and lost costs in the world.Ethiopia is one of the countries whichhas been caused by traffic congestion on the road intersections. In Addis Ababa city due to economic growth andprivate vehicle ownership growth; the congestion problem was increasing faster. The Megenagna Diaspora and Lamberat semen Bus square were affected by traffic congestion.Congestion was affected by many sectors in different ways either directly or indirectly and imposes a cost. The problem of this congestion waslosing productivity from more time spent traveling rather than working and missing meetings. As a result, those are associating with costs including lost time, increasing vehicle operating costs, gas emissions on the intersection.The general objective of this study was to Assessing Traffic Congestion and Cost Analysis in Addis Ababa: The case of Megenagna diaspora and Lamberat semen bus terminal square, Yeka Sub-City.
This study was specifically focusing on the economic costs of traffic congestion imposes.Furthermore, the study was an analysis of the costs of congestion using recurrent traffic congestion rather than non-recurrent traffic congestion. The three componentsofrecurrent traffic congestion calculated in this study were; Gas emission cost, Travel time cost, and Vehicle operating cost for vehicle types.The method used to analyzingtraffic congestion cost of a base year and forecasting byexcel,using their every formula and analyzed the level of service by SIDRA software.
The results of thisstudywere includingtravel time cost, delay, vehicle operating cost, gas emission cost, and level of service at both intersections. The level of service result was worst (F values). The total traffic congestion casts of a base year and forecasting year were including the costs of vehicles lost at both intersections. The annual total cost of the base year (2020) was 1,933,050.262ETB and the annual total cost of the forecasting year (2040) was 35,595,326.89ETB.
In this study, the occurrence of traffic congestion was showing that the performance of intersections used for vehicles was lower than the design capacity and the total cost analyzed thatlost on intersections due to congestion was increases year to year. To analyzing the accurate value of total cost by adding non-recurrent traffic congestion and recording vehicle volume separately.