We don’t need road noise pollution (IMAGE) PLOS Caption Children exposed to road traffic noise at school and in the classroom showed slower cognitive development compared to children attending quieter schools. Credit Barcelona Institute for Global Health (ISGlobal) (CC-BY 4.0, https://creativecommons.org/licenses/by/4.0/) Usage Restrictions Credit must be given to the creator. License CC BY Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.