Beth mae'r Llywodraeth yn ei wneud yn y cyfnod trosiannol i liniaru'r llygredd sŵn i drigolion ar hyd yr A449 tra bod y Llywodraeth yn gweithredu ei chynllun ailblannu dros y gaeaf 2022?
Wedi'i ateb gan Y Dirprwy Weinidog Newid Hinsawdd | Wedi'i ateb ar 28/06/2022
The A449 has not been designated a priority area as defined in the Noise and Soundscape Action Plan for Wales 2018-23, and noise mitigation is not currently being considered for this route. Vegetation has been removed as essential safety management of the soft estate and replanting is planned for winter 2022-23, however, vegetation is not considered to be a reliable form of noise barrier, and therefore, temporary mitigation is not deemed to be required.