Non-motorized travel in terms of walking or bicycling plays a critical role in promoting healthy living style, offering sustainable alternatives to environmental impacts, energy consumption, and societal costs of motorized travel modes, and allocating limited resources for constructing pedestrian-orientated transportation infrastructure facilities.… (More)
BACKGROUND Progestational agents may reduce the risk of preterm birth in women with various risk factors. We sought to test the hypothesis that a weekly dose of 17-hydroxyprogesterone caproate (17P) given to women with preterm rupture of the membranes (PROM) will prolong pregnancy and thereby reduce neonatal morbidity. METHODS Double-blind,… (More)
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Cross-median crashes (CMCs), in which a vehicle crosses the highway median, are one of the most severe crashes due to high speeds and risk of collision with an opposing vehicle. This paper describes the ordinal discrete-choice modeling efforts for investigating the nexus between the severity propensity and miscellaneous variables pertinent to roadway safety… (More)
Modern roundabouts have become very popular in North America over the last decade. This popularity can be attributed to their great success in Europe and Australia. The prevalence of roundabouts has generated significant debate over their accessibility for pedestrians. With almost uninterrupted traffic flows, it is difficult for the visually impaired to… (More)
A median crossover crash (MCC) is defined as an accident in which a vehicle traverses the median area and penetrates the opposing travel lane. Crashes vary from vehicles coming to rest in the opposing lane, to vehicles passing through the opposing lane without hitting an opposing vehicle, to head-on or sideswipe impacts with opposing vehicles. Until… (More)