Abstract
AbstractIt is common to find a vehicle left on the shoulder, median, gore area, or on the travel lane for certain period of time. Experience from the state of Tennessee has shown that 78% of the freeway traffic-related incidents are attributable to disabled and abandoned vehicles. It is hypothesized that the longer the vehicle is left unattended within the right of way, the higher the probability of new incidents and secondary crashes. This paper utilized 2004–2010 freeway incident data in Tennessee to evaluate the effect of the length of incident durations caused by disabled and abandoned vehicles. Analysis evaluated the effect of these incidents with respect to roadway location, queue lengths, weather conditions, towing times, lane closure, and the source of incident notification. Temporal factors, including the spectra of the time of the day, the day of the week, and the seasons of the year were evaluated with respect to the number of incidents and incident durations. More disabled and abandoned vehicl...
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