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The largest project in our Green Corridor programme will see the transformation of what is now an HS2 construction site into one of the largest areas of new chalk grassland in the Chiltern hills.
Chalk grassland - a type of calcareous grassland - is a habitat of international conservation importance mainly found on limestone and chalk valleys of south-east England and the Isle of Wight.
As part of the ambitious scheme, 90 hectares of chalk grassland will be seeded into re-profiled soil layers using the nutrient poor subsoils on the site and mixing these soils with chalk from the tunnelling and recycled concrete and aggregates from construction works.
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If you have a question about HS2 or our works, please contact our HS2 Helpdesk team on 08081 434 434 or email hs2enquiries@hs2.org.uk.