questionText: To ask the Secretary of State for Transport, if she will work with National Highways to ensure that runoff from the M4 does not pollute the chalk streams in Newbury.
answerText: National Highways (NH) is well aware of this issue, and in 2024 treated a site along the M4 that was found to be discharging into the River Lambourn chalk stream near Newbury. More generally, the Department is working closely with NH to address the risk o...
heading: M4: Newbury