Estimating Total Traffic Congestion Costs For Selected Road Of Addis Ababa City. (acase Study Mekanisa - Jemo Road)

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For everyday travelers, the frustration of traffic congestion is obvious. Understanding thernimpact on cities and the economy, however, it is not as straightforward as many would likernit to be. From an economic perspective, congestion’s main impact is the lost productivityrnfrom more time spent traveling to work rather than working; delaying (or missing)rnmeetings; foregoing interactions among individuals or personal activities due to long travelrntime; and spending more time to accomplish tasks than would otherwise be necessary if werncould reliably plan for accomplishing the same things at free-flow speeds. And alsornEmissions may increase as vehicles spend more time in congestion, idling or crawling, andrnundergoing numerous acceleration and deceleration events.by this the environmental costrnwill be higher. In short, a region’s economy does better when people spend more timernworking and doing things they find valuable and less time traveling to do them. We dependrnon our transportation system to provide access to people and places we want to go.rnFollowing the economic and population growth in Addis Ababa, traffic congestion problemrnhas emerged and the problem is even growing faster. In this study, the level of the trafficrncongestion for selected area of Addis Ababa city was quantified using travel time approach.rnTravel time, traffic volume, and travel speed data were collected at two intersections.rnAccordingly, the travel rate, the delay rate, total travel delay (veh.-min and per-min), wererncalculated. And also, the total congestion cost was estimated.rnThe result showed that on average the maximum delay of 826 veh – min and 616 veh. –rnMin. was lost during the morning and the evening peak period respectively at thosernapproaches. The total cost of congestion for specific approaching distance was above Birrrn210,805.87 per year during off peak time and Birr 343,597.99 per year during peak time.rnAnd the total loss due to congestion will be above Birr 132,792.12 per year on singlernselected approach.rnKey word: - Traffic Congestion, Congestion costs, Delay

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Estimating Total Traffic Congestion Costs For Selected Road Of Addis Ababa City. (acase Study Mekanisa - Jemo Road)

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