Ranking of hazardous road locations in two-lane two-way rural roads with no crash record

Habibian, Meeghat., Mesbah, Mahmoud and Sobhani, Amir (2011). Ranking of hazardous road locations in two-lane two-way rural roads with no crash record. In: Proceedings of the 34th Australasian Transport Research Forum 2011. Australasian Transport Research Forum 2011, Adelaide, Australia, (1-11). 28-30 September 2011.

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Author Habibian, Meeghat.
Mesbah, Mahmoud
Sobhani, Amir
Title of paper Ranking of hazardous road locations in two-lane two-way rural roads with no crash record
Conference name Australasian Transport Research Forum 2011
Conference location Adelaide, Australia
Conference dates 28-30 September 2011
Convener Peter Tisato, Lindsay Oxlad, Michael Taylor
Proceedings title Proceedings of the 34th Australasian Transport Research Forum 2011
Journal name ATRF 2011 - 34th Australasian Transport Research Forum
Place of Publication Adelaide, S.A., Australia
Publisher University of South Australia; The South Australian Department for Transport, Energy and Infrastructure
Publication Year 2011
Sub-type Fully published paper
Open Access Status
Start page 1
End page 11
Total pages 11
Collection year 2012
Language eng
Abstract/Summary Crash data availability is a significant requirement for identifying hazardous roads. However, for roads with poor data sets or no crash record, a method is needed to find and rank road segments independent of the crash records. In this paper, an auditing based methodology is proposed to determine the hazardous locations. A Rural road is investigated by decomposing it first into six elements, and then into safety factors corresponding to each element. The elements are: straight segments, horizontal and vertical curves, bridges, tunnels, merges and intersections, and side road land use. The relative contribution of the elements to the safety of a road segment is determined using the Analytical Hierarchy Process (AHP) via a system of weights which are suggested by an expert panel. Subject to a consistency test of the expert responses, AHP determines the weight of elements. In an independent survey, roads are audited and ranked with respect to their elements. The weighted sum of these ranks is used to calculate a Safety Index (SI) for a road segment. Road segments with the lowest values of SI are identified as the most hazardous locations.
Q-Index Code E1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Paper published online.

Document type: Conference Paper
Collections: School of Civil Engineering Publications
Official 2012 Collection
 
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Created: Mon, 26 Sep 2011, 10:09:09 EST by Dr Mahmoud Mesbah on behalf of School of Civil Engineering