Written Question·Department for Transport·UIN 14224

Calder Valley Line: Rolling Stock

Tabled: 29 June 2026

Answered: 10 July 2026

Question

Josh Fenton-Glynn

To ask the Secretary of State for Transport, what proportion of services on the Calder Valley line have been short formed in each of the last 24 months.

Answer

Keir Mather

The Department for Transport does not typically hold data on short formations by route. The Short Formations metric which is reported as a Key Performance Indicator is calculated by comparing the capacity operated against a benchmark level of planned capa...

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