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Assessment of delays at roundabout

Che Puan, Othman and Muhamad Nor, Nur Syahriza and Tan, Peay Sien (2015) Assessment of delays at roundabout. Jurnal Teknologi, 76 (14). pp. 67-76. ISSN 0127-9696

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Official URL: http://dx.doi.org/10.11113/jt.v76.5844

Abstract

Traffic delay is the additional travel time that experienced by a road user beyond what would reasonably be desired for a given trip. It is also a standard parameter that used to measure the performance of an intersection. This study concerns with the delay experienced by the drivers at a roundabout. The main objective is to evaluate the applicability of the existing theoretical delay models to estimate delays. Data pertaining to the analysis of delay was collected at a conventional roundabout in a sub-urban area. The t-test were conducted. The result shows that the observed delay at a conventional roundabout can be estimated using Akcelik & Troutbecks theory as there is no significant different between both observed and theoretical delay at 95% confident level. Whereas the observed delay has significant different if compared with theoretical delay estimated using Kimber & Hollis theory and CETUR formula. On the other hand, all of the theoretical and observed delay at the roundabout falls in the LOS A. However, more data are required in order to validate the result of this study.

Item Type:Article
Uncontrolled Keywords:capacity, roundabout, traffic delay
Subjects:A General Works
ID Code:57905
Deposited By: Haliza Zainal
Deposited On:04 Dec 2016 12:07
Last Modified:13 Apr 2017 08:19

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