Development of relationships between traffic volume, number of accidents and road infrastructure improvements

Nalaka, C; Sivakumar, T

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dc.contributor.author	Nalaka, C
dc.contributor.author	Sivakumar, T
dc.contributor.editor	Gunaruwan, TL
dc.date.accessioned	2022-04-25T05:01:14Z
dc.date.available	2022-04-25T05:01:14Z
dc.date.issued	2016-06
dc.identifier.citation	Nalaka, C., & Sivakumar, T. (2016). Development of relationships between traffic volume, number of accidents and road infrastructure improvements [Extended Abstract]. In T.L. Gunaruwan (Ed.), Proceedings of 1st International Conference on Research for Transport and Logistics Industry 2016 (pp. 71-73). Sri Lanka Society of Transport and Logistics. https://slstl.lk/r4tli-2016/	en_US
dc.identifier.uri	http://dl.lib.uom.lk/handle/123/17677
dc.description	The national road network of Sri Lanka (Class A and Class B road network) serves 80% of the island‟s road traffic [1] and these national roads have been prime agents for road accidents [2]. The cluster of national roads inside the Western Province connecting a majority of socioeconomically active locations of the country, has the highest demand from both passenger and freight movements which has caused simultaneous increases in congestion and safety problems during the recent past [3]. Under the above circumstances, this research was conducted as an attempt to develop relationships between number of road accidents and road infrastructure improvements to predict the need of infrastructure improvements of the near future, in order to proactively direct the infrastructure providers. The study was carried out on a 20 km road segment with a high traffic demand and a high frequency of accidents on the A4 road, inside the Colombo District of the Western Province as a case study targeting 25 hazardous locations that were identified and validated through maps plotted with historical data on road accidents from 2010 to 2014 [3]. The SICRS [3] had identified both the hot-spots (congested road sections) and the black-spots (accident prone road sections) separately on A4 road. It had recommended to the Road Development Authority (RDA) possible solutions to mitigate existing problems when improving the road by the end of the year 2014. The RDA having performed two consecutive widening and improvement projects on the studied length of the A4 road from 2010-2013 and 2013-2015, the objective of this study was to identify a relationship among traffic volumes, road accidents and the road infrastructure improvements.	en_US
dc.language.iso	en	en_US
dc.publisher	Sri Lanka Society for Transport and Logistics	en_US
dc.relation.uri	https://slstl.lk/r4tli-2016/	en_US
dc.subject	Road infrastructure improvements
dc.subject	Road safety
dc.subject	Accidents
dc.title	Development of relationships between traffic volume, number of accidents and road infrastructure improvements	en_US
dc.type	Conference-Extended-Abstract	en_US
dc.identifier.faculty	Engineering	en_US
dc.identifier.department	Department of Transport and Logistics Management	en_US
dc.identifier.year	2016	en_US
dc.identifier.conference	1st International Conference on Research for Transport and Logistics Industry 2016	en_US
dc.identifier.place	Colombo	en_US
dc.identifier.pgnos	pp. 71-73	en_US
dc.identifier.proceeding	Proceedings of 1st Conference on Research for Transport and Logistics Industry 2016	en_US