Government set to approve £1 billion tunnels for HS2-Euston link

The government is expected to confirm that HS2 will dig tunnels linking the high-speed railway to Euston station, although there’s still no confirmation that Euston station will be built.
HS2 tunnel entrance next to the M25 motorway
The Financial Times reported, citing industry sources, that approval for the £1 billion pair of tunnels from Old Oak Common to Euston is expected to be given shortly. The £1 billion cost is based on the 2019 figures, so the final bill will be higher