نتایج جستجو برای: crosswalk
تعداد نتایج: 278 فیلتر نتایج به سال:
The increasing number of mid-block vehicle-pedestrian crashes has led traffic engineers to consider treatments to make crosswalks safer, especially for children and seniors. One common method to resolve this problem is the installation of signalized mid-block pedestrian crossings. However, a wide variety of signalization schemes have been employed, few of which are supported by the Manual on Un...
BACKGROUND The purpose of this study was to propose a new crosswalk using the resource-based relative value system (RBRVS) that preserves the time unit component of the anesthesia service and disaggregates anesthesia billing into component parts (preoperative evaluation, intraoperative management, and postoperative evaluation). The study was designed as an observational chart and billing data r...
Exposure to elevated particulate matter (PM) pollution is of great concern both the general public and air quality management agencies. At urban traffic intersections, for example, pedestrians are often at a higher risk exposure near-source PM from while waiting on roadside or walking in crosswalk. This study offers an in-depth investigation pedestrian intersection. Fixed-site measurements near...
BACKGROUND Previous studies on alcohol, tobacco, and violence suggest that children's behavior can be influenced by mass media; however, little is known about the effect of media on unintentional injuries, the leading cause of death among young persons in the United States. OBJECTIVE To determine how injury prevention practices are depicted in G-rated (general audience) and PG-rated (parental...
OBJECTIVE This study aims to quantify and describe the burden of fatal pedestrian crashes among persons using wheelchairs in the USA from 2006 to 2012. DESIGN The occurrence of fatal pedestrian crashes among pedestrians using wheelchairs was assessed using two-source capture-recapture. Descriptive analysis of fatal crashes was conducted using customary approaches. SETTING Two registries wer...
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