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  Passive Railroad Crossing Study

Crashes at railway grade crossings kill over 500 people per year and injure 1,754 and 45 percent of injury crashes and 42 percent of fatal crashes occur at rail grade crossing protected only with cross bucks. The low power requirements of LED signals and piezo sensors make it practical to power these signals with a solar array in any part of the nation. Vehicle speeds were measured by the Polk County Traffic Engineering Division using two counter hoses. The ‘‘eyes’’ were activated by a microwave sensor that detected approaching vehicles at a distance of 150 to 180 feet. The introduction of the animated ‘‘eyes’’ sign at the passive rail crossing reduced the percentage of motorists not stopping or significantly slowing at the site by about half. These data are consistent with other data showing that the efficacy of the ‘‘eyes’’ display at crosswalks, garage exits and midblock crossing sites.

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Click here to view pdf of research study.

 
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