Abstract
Abstract Most of the railway lines in Slovakia were built in the second half of the 19th century, or until 1918 (the establishment of Czechoslovakia). Except for the post-World War II period, when approximately 71 % of the Slovak lines had to be renewed, limited funds have been spent on repair and reconstruction works on the lines located in the Slovak territory [1]. Nowadays, there is an effort to modernize the main railway lines but also to revamp the local lines. This is also a case of the line section Poltár - Utekáč, where in the near future a sleeper, which is in very poor technical condition, will be replaced by a Y-type sleeper. On this occasion, the impact of the new structure on the noise emission from the sleeper should also be assessed.
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