Written Question·Department for Transport·UIN 53395

South Wales Main Line: Electrification

Tabled: 19 May 2025
Answered: 22 May 2025
Named Day

Question

David Chadwick

Liberal DemocratBrecon, Radnor and Cwm Tawe

To ask the Secretary of State for Transport, what recent estimate she has made of the total cost of the electrification of the remainder of the South Wales mainline.

Answer

Lilian Greenwood
No recent cost estimates have been made by Network Rail for electrification of the South Wales Mainline, with the last available information dating from 2017. With bi-mode trains offering comparable journey times regardless of whether operating in diesel ...

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