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First HST at 125mph on the WCML: Midland Pullman HST Passing MKC & Cheddington at Speed - 04/03/26

Channel: CHOO-CHOO!!Plane
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Description
Video: A historic speed run for the Class 43 HST / InterCity 125 on the West Coast Main Line, with LSL doing a special railtour - 'The Capital Flyer - 125mph Test Train' with their Midland Pilullman HST set, marking the first ever time a HST has ran non-stop on the WCML at the full 125mph. Here its seen passing through both Milton Keynes Central and Cheddington stations, on some of the more straight sections of the main line.
Previously, they were restricted to the non-tilting 110mph limit, but now that the new 'MU' speed boards have been installed on the line (mainly used by the 805/807 Evero units, and soon the Lumo 222s), this enabled the test run to go underway.

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Camera: Sony FDR-AX53 (4K | UHD)
AI summary Generated from Fishplate metadata

A video captures a Class 43 HST, likely numbered 43049 and 43058, running at 125mph on the West Coast Main Line. The footage shows the train passing through Milton Keynes Central and Cheddington stations. The event marks a historic test run for the InterCity 125, which previously operated at a maximum speed of 110mph on this route. The test was made possible by recent upgrades to the line's speed boards. Operators mentioned include Locomotive Services Limited, Avanti West Coast, Blue Pullman, Intercity, and Lumo. Headcodes 1Z43 and 1Z44 are noted in the metadata.

This summary is generated from structured Fishplate data and may need human review.
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Fishplate has identified 2 locomotives in this video. We’ve also matched 2 headcodes and 5 operators . Create a free account to see where they appear, unlock timestamps and locations, and view the full breakdown.

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Details
  • Platform ID Aq2LVdY6Wc8
  • Views 7,513
  • Date published 5 Mar 2026 17:13
  • Date added 21 Jul 2026 02:51
  • Recorded 4 Mar 2026
  • Locomotives 2
  • Headcodes 2
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