The Federal Administration (FRA) is conducting a comprehensive research program to develop means of reducing the number of accidents and resulting casualties at highway-railroad grade crossings. In support of this effort, the Volpe Center's Acoustics Facility is conducting a study with the goal of optimizing the performance of railroad horn systems. The primary objective of this report, the second in a series, was to determine the probability of detection of railroad horn systems for warning motorists of the impending arrival of a train at highway-railroad grade crossings. Additionally, the community noise impact of train horns was quantified.


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    Safeguarding of highway railroad grade crossings

    Behr, E. | Engineering Index Backfile | 1939


    Freight Car Reflectorization. Safety of Highway-Railroad Grade Crossings

    A. A. Carroll / J. Multer / D. Williams et al. | NTIS | 1999


    At-Grade Intersections Near Highway-Railroad Grade Crossings

    M. D. Wooldridge / D. B. Fambro / M. A. Brewer et al. | NTIS | 2001



    Violations at Gated Highway–Railroad Grade Crossings

    Carlson, Paul J. / Fitzpatrick, Kay | Transportation Research Record | 1999