Acoustic barrier, particularly for railway superstructures

A noise-abating railway assembly, comprising:

• a railway track comprising means for forming a support plane, and a pair of railway rails mounted on said means and said support plane;
• a railway car traveling along said track and comprising at least one bogie having wheels riding respectively on said rails and a car body resiliently supported on said bogie;
• and
• noise-abatement means for abating noise produced by said wheels riding on said rails, said noise-abatement means including:
• a pair of downwardly extending aprons secured to said bogie on opposite sides of said bogie and having lower ends below axes of said wheels, and
• respective sound-proofing members mounted on said plane, extending along said track, flanking said track, and juxtaposed with a respective one of said aprons, said sound-proofing members extending upwardly above said lower ends to overlap said aprons, said lower ends of said aprons and upper ends of said sound-proofing members being inclined to said support plane to define between each lower end of an apron and a respective upper end of a sound-proofing member juxtaposed therewith a respective slot inclined to said support plane.