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Title:
Effects of Asphalt Pavement Conditions on Traffic Accidents
in Nevada Routes
Joo Eduardo Versiani Sathler
Lucas de Medeiros
Luiz Eduardo Ferreira Giudice
Matheus Araujo Rocha Viana
Alexander Paz Ph.D., P.E.
September/!"#
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ntroduction:
$his project %ill utilize the pa&ement and accident data
collected b' (e&ada )epartment
o* $ransportation +(),$- and (),$.s a&ement Mana0ement
S'stem +MS- and anal'zed b'
$ransportation Research 1enter +$R1- at 2(LV to in&esti0ate
the relationship bet%een accident
*re3uenc' in hi0h%a' se0ment and pa&ement distress
&ariables4 Focusin0 on urban interstates
%ith asphalt pa&ements4 5i0h le&el o* pa&ement
distress %ill lead to lo%er ridin0 3ualit'6 &ehicle
dama0e6 and more seriousl'6 tra**ic accident4
Rou0hness de*ines as irre0ularities o* pa&ement sur*ace4
a&ement rou0hness is measure
b' 7nternational Rou0hness 7nde8 +7R7- or Ridin0 (umber +R(-4
Another condition that %ill be
studied is the resent Ser&iceabiliti' 7nde8 +S7-4
!"#ective:
$he primar' objecti&e o* this stud' is to understand the
relationship bet%een pa&ement
distress and the *re3uenc' o* accident occur in order to
de&elop pa&ement mana0ement strate0ies
that ma' reduce the *re3uenc' o* pa&ement9related
accidents4
Data Collection $DC% & 'ethod:
$he MS data and Accident )atabase %ill be pro&ided b' (),$
throu0h $R14
$his stud' %ill *ocus on urban interstate hi0h%a's %ith asphalt
pa&ements6 similar
median t'pes6 and normal speed limits4
7n the MS database6 three &ariables %ere used to represent
pa&ement conditions: Rut
)epth +R)-6 7nternational Rou0hness 7nde8 +7R7-6 and resent
Ser&iceabilit' 7nde8 +S7-4
oisson and ne0ati&e binomial re0ression %ill be used to tr'
and &eri*' the statistical
relationship bet%een Accidents and the pa&ement
conditions4
