New plans for a 9 kilometer tunnel under Ealing and Northolt, as part of the High Speed Two line, have been unveiled.
HS2 bosses had originally planned to run the line overground between Old Oak Common and Northolt - but now say it would be quicker to tunnel it.
It's a major concession to residents in the area - who should see much less disruption as a result of the work.
More top news
Scotland Yard confirm that two people arrested in connection with the attack on Westminster have been released with no further action
An appeal to support the family of murdered policeman Keith Palmer has reached more than £700,000 in two days.
PC Keith Palmer will be remembered permanently at the National Memorial Arboretum, Home Secretary Amber Rudd has said.