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Safety Performance Evaluation of the New Mega Elliptical Roundabout Interchanges Using the Surrogate Safety Assessment Model
Faculty
Engineering
Year:
2020
Type of Publication:
ZU Hosted
Pages:
Authors:
Ahmed Ibrahim Zaki Muhamed
Staff Zu Site
Abstract In Staff Site
Journal:
Journal of Transportation Engineering, Part A: Systems ASCE
Volume:
Keywords :
Safety Performance Evaluation , , , Mega Elliptical Roundabout
Abstract:
Mega elliptical roundabouts are considered a new kind of intersection and can be found on rural multilane highways. Their form is that of an elongated ellipse. They combine the best advantages of an unconventional median U-turn intersection and roundabout. The purpose of this research is analyzing safety performance for mega elliptical roundabout interchange using the VISSIM software version 4.30 and the surrogate safety assessment model (SSAM) software version 3. This research also considered eight other interchange designs to compare them with the mega elliptical roundabout interchange. In total, 20 scenarios were analyzed using VISSIM version 4.30 then tested by SSAM software version 3. To compare the different interchanges in terms of the mean values of conflicts, the one-way analyses of variance (ANOVA) were conducted. Based on the research results, a mega elliptical roundabout interchange was one of the best interchanges studied in this research in relation to the frequency of conflicts as a total and the frequency of crossing conflicts.
Author Related Publications
Ahmed Ibrahim Zaki Muhamed, "Mega elliptical roundabouts versus grade-separation interchange", Institution of Civil Engineers Publishing is a division of Thomas Telford Ltd, 2019
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Ahmed Ibrahim Zaki Muhamed, "A Novel Methodology for Estimating the Capacity and Level of Service for the New Mega Elliptical Roundabout Intersection", Hindawi, 2020
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Ahmed Ibrahim Zaki Muhamed, "Methodology for Estimating the Capacity and Level of Service for the Mega Roundabout Intersection", Transportation Research Board (TRB), 2020
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Ahmed Ibrahim Zaki Muhamed, "Effect of Flexible Pavement Maintenance Operations on User Cost", International Organization of Scientific Research, 2016
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Department Related Publications
Ahmed Elsayed Ali Mahmoud, "An Integrated Sustainable Construction Project’s Critical Success Factors (ISCSFs)", Sustainable Engineering and Science, 2021
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Gamal Saber Ahmed Elfiky, "Determination of local gravimetric geoid model over Egypt using LSC and FFT estimation techniques based on different satellite- and ground-based datasets", Taylor & Francis, 2021
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Mohammed Ahmed Ali Alashkar , "Determination of local gravimetric geoid model over Egypt using LSC and FFT estimation techniques based on different satellite- and ground-based datasets", Taylor & Francis, 2021
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Ahmed Hussien Ibrahim Mahmmoud, "Management of Construction Cost Contingency Covering Upside and Downside Risks.", Alexandria Engineering Journal (AEJ),, 2014
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