High Speed 2 Railway Line: Buckinghamshire
(asked on 13th February 2019) - View Source
Question to the Department for Transport:
To ask the Secretary of State for Transport, what proportion of the the proposed High Speed Two tunnelling in Buckinghamshire will pass through ground which is clay with flints.
This question was answered on 18th February 2019
Approximately 200m of the tunnel will pass through a contiguous layer of clay with flints. This occurs for the final 200m of tunnelling near Great Missenden.