HS2 trains could run slower than expected to cut spiralling costs

The flagship high-speed rail is predicted to cost £100 billion - (PA)

HS2 trains could now run slower than initially expected when the rail line eventually opens to cut spiralling costs.

Mark Wild, chief executive of the government-owned HS2 Ltd, said the flagship high-speed rail project, which is now predicted to cost £100 billion, could open at “reduced running speeds” to save money.