Putting up the gantries: work underway at Cardiff Central on 26 December 2018. TONY MILES

The work now underway on the railway across the Gwent and Wentloog Levels represents the home straight for the Great Western Electrification Programme (GWEP), following many trials and tribulations and significant curtailment of the mileage included. This final stretch has thrown up challenges of its own, and Network Rail anticipates that the power supply will become available for train operation in November.

One of the challenges was electrification through the 7km Severn Tunnel, where diesel exhaust and dampness create a corrosive environment. Rigid conductor rail from Furrer+Frey was installed in summer 2016 and awaits connection to the power supply. Conductor rail has also been installed in the original double-track tunnel at Newport. Catenary will be installed through the adjacent and more spacious ‘new tunnel’.

Want to read more?

This is a premium article and requires an active subscription.

Existing subscriber? Sign in now

I have a subscription but need to register on site…

You will need your print Customer ID ready to set up an account, you'll find this on your welcome email and cover sheet delivered with each print magazine.

Register now

No subscription?

Pick one of our introductory offers