Policy paper

HS2 Phase One full business case

The full business case for the HS2 Phase One route from Birmingham to London.

Documents

Full business case High Speed 2 Phase One

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Details

This is the full business case for the HS2 Phase One route from Birmingham to London. It includes evidence supporting the government’s authorisation of notice to proceed for main works civils contracts. The document features 5 cases:

  • strategic case
  • economic case
  • financial case
  • commercial case
  • management case

The HS2 Phase One full business case builds on the HS2 outline business case that was published in 2013.

Published 15 April 2020