A Statistical Look At Gender And Age Differences
As Related To The Injury Crash Type
On Low-volume Roads
Author(s)
F. Russo, S. A. Biancardo, M. Busiello, M. De Luca
& G. Dell’Acqua
Abstract
The research presented here is addressed to develop only one safety performance
function (SPF) from the perspective of driver gender for three identified main
crash types (head-on/side collisions, rear-end collisions, single-vehicle run-offroad
crashes) that is able to predict the injury crash rate on low-volume roads.
According to the crash police reports, it came in sight that males and females
differ in terms of their psychological attributes and, consequently, their response
to the crash risk can change producing different effects on the severity.
The analysis was divided into two phases: the first deals with SPF calibration,
while the second concerns SPF validation. A total length of 355 km was used in
the first phase involving 5 years of the crash database (2003–2007), to a total of
95 injury crashes which led to 136 injuries (63% male only drivers, 8% female
only drivers and 29% female+male drivers) and 9 deaths (78% male only drivers
and 22% female+male drivers). A total length of 295 km was used in the second
phase involving 3 years of the crash database (2008–2010), to a total of 73 injury
crashes which led to 120 injuries (68% male only drivers, 4% female only
drivers and 28% female+male drivers) and 4 deaths (75% male only drivers and
25% female+male drivers). GEE was adopted to calibrate SPF. Mean width,
mean speed at each analyzed road segment, and a numerical variable \“SLEH”
reflecting the identified road \“Surface” (dry/wet), \“Light” conditions (day/night),
geometric \“Element” (tangent segment/circular curve) and \“Human” factors
(gender/age/number drivers) all together when the crash happened, were
introduced in the predictive safety model looking toward gender and age drivers.
Keywords: female and male drivers, response to crash risk, low-volume roads.
Keywords
female and male drivers, response to crash risk, low-volume roads
Related Book
Other papers in this volume
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