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Title: Weather Effects on Daily Traffic Accidents and Fatalities: Time Series Count Data Approach
Accession Number: 01153394
Record Type: Component
Availability: Transportation Research Board Business Office 500 Fifth Street, NW Abstract: The impact of weather conditions on traffic safety is a topic that has attracted considerable interest in the literature. In this research, an integer autoregressive model (INAR) is used to estimate the effects of weather conditions on four traffic safety categories: vehicle accidents, vehicle fatalities, pedestrian accidents and pedestrian fatalities, using 21 years of daily count data for Athens, Greece. The results suggest that the most consistently significant and influential variable is mean daily precipitation height along with its lagged value. It is found that, contrary to much previous research, increases in rainfall reduce the total number of accidents and fatalities as well as the pedestrian accidents and fatalities, a finding that may be attributed to the safety offset hypothesis resulting from more cautious and less speedy driver behavior. Similarly, temperature increase was found to lead to increased accidents.
Monograph Title: Monograph Accession #: 01147878
Report/Paper Numbers: 10-0325
Language: English
Corporate Authors: Transportation Research Board 500 Fifth Street, NW Authors: Karlaftis, Matthew GYannis, GeorgePagination: 17p
Publication Date: 2010
Conference:
Transportation Research Board 89th Annual Meeting
Location:
Washington DC, United States Media Type: DVD
Features: Figures
(5)
; References
(53)
; Tables
(3)
TRT Terms: Uncontrolled Terms: Geographic Terms: Subject Areas: Highways; Safety and Human Factors; I83: Accidents and the Human Factor
Source Data: Transportation Research Board Annual Meeting 2010 Paper #10-0325
Files: TRIS, TRB
Created Date: Jan 25 2010 10:12AM
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