ETCS testbed: the Cambrian line. TfW’s No 158837 crosses Barmouth bridge on 22 June 2021 with the 17.42 Pwllheli to Machynlleth.
Steve Widdowson

I don’t normally write about signalling because it bores me, but for this I’ll make an exception. Ever since the bobby with the red flag, signalling systems have increased in complexity and cost in the quest for increasing safety and/or reducing running costs.

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