The construction of the main civil engineering components of the programme (such as tunnels and viaducts) is a major undertaking and was a major cause of delays and cost increases at the time of our last report.16 In a letter following our evidence session, HS2 Ltd informed us that it had now contracted all the civil construction work, worth £15.5 billion, of which it had paid approximately £2.5 billion. It told us that the estimated total cost of all four stations for Phase One would be just...

The construction of the main civil engineering components of the programme (such as tunnels and viaducts) is a major undertaking and was a major cause of delays and cost increases at the time of our last report.16 In a letter following our evidence session, HS2 Ltd informed us that it had now contracted all the civil construction work, worth £15.5 billion, of which it had paid approximately £2.5 billion. It told us that the estimated total cost of all four stations for Phase One would be just over £5 billion, and that it had agreed contracts for three of the four stations. As a result, it expected that the construction for Old Oak Common woul Type: conclusion | Number: 9 | Response status: under_consideration