Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/36376
Title: Effects of rainfall intensity on traffic crashes in Hong Kong
Authors: Yuan, LY
Chen, BY
Lam, WHK 
Keywords: Roads & highways
Safety & hazards
Statistical analysis
Issue Date: 2014
Publisher: ICE Publishing
Source: Proceedings of the Institution of Civil Engineers - Transport, 2014, v. 167, no. 5, p. 343-350 How to cite?
Journal: Proceedings of the Institution of Civil Engineers. Transport 
Abstract: This study investigated the spatial and temporal effects of rainfall intensity on traffic crashes in Hong Kong. A geographic information system technique was used to correlate and match data collected at rain gauge stations with the time and location of traffic crashes in 2009. A total of 436 matched-pair datasets were selected to study the spatial and temporal relationships between hourly rainfall intensity and traffic crashes. The first hour of rainfall and the first hour after rain were shown to be the periods with the highest number of traffic crashes. Moreover, hourly periods with average rainfall intensities of 19 and 26 mm were found to have the highest risk, when the increase in the number of crashes per hour was the greatest.
URI: http://hdl.handle.net/10397/36376
ISSN: 0965-092X (print)
1751-7710 (eISSN)
DOI: 10.1680/tran.12.00087
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