Electrifying the south Wales mainline – an important rail route linking major towns and cities

Electrification of the line between London Paddington and Cardiff Central is nearly complete. Since January, passengers in south Wales have benefited from thousands of extra seats, more frequent services and quicker journeys as GWR’s Intercity Express Trains have been running on electricity.

The electrified south Wales mainline means an average journey time saving of 14 minutes between Cardiff and London and an additional 15,000 weekday seats between the two capital cities.

Ongoing work

Over the coming weeks and months, we will be demobilising from site compounds, carrying out remedial work and undertaking snagging works, where needed. We would like to thank local communities for their ongoing patience as we complete this work.

The only stretch left to electrify is through the five mile-long Severn Tunnel, which we are working hard to find a solution for