Policy paper

Environment: HS2 Phase 2a information papers

How HS2 Ltd will meet environmental commitments and the expected impacts on the environment for HS2 Phase 2a.


HS2 Phase 2a information paper: Ecology

HS2 Phase 2a information paper: Air quality

HS2 Phase 2a information paper: Land drainage

HS2 Phase 2a information paper: Archaeology

HS2 Phase 2a information paper: Burial grounds

HS2 Phase 2a information paper: Carbon


Series E of our information papers outline how environmental impacts have been assessed and how they will be mitigated or compensated for during the construction of HS2 (Phase 2a). This includes the:

  • environmental controls set out in the Bill (and environmental minimum requirements)
  • ecological impact of construction and operation and the mitigation in place to address this
  • approach to controlling noise and air quality effects during construction and operation
  • approach to managing excavated material and waste that will arise from construction
  • approach to assessing and mitigating impacts on water resources and flood risk
  • assessment and treatment of contaminated land
  • approach to assessing any impact on archaeological remains that could result from construction works
  • resilience and capacity of Phase 2a to cope with potential climate change impacts
Published 17 July 2017
Last updated 28 October 2019 + show all updates
  1. E13 and change log updated

  2. Several papers updated - see change log for info

  3. E29 added and change log updated

  4. Several updates made - see change log for details

  5. First published.