High Speed Train

The British Rail High Speed Train is the name given the Class 43 and Mark 3 coaches, which are sometimes classified as Diesel Multiple Units and given the numbers Class 253, Class 254 and Class 255. The High Speed train was capable of running 125mph in service.
History British Rail
British Rail
Intercity
In 1986 the HSTs all transferred to
History Western Private
Great Western Trains =
First Great Western
Great Western Railway
History Eastern Private
Great North Eastern Railway
East Coast
Virgin Trains East Coast
London North Eastern Railway
History Midland Private
Midland Mainline
East Midlands Trains
East Midlands Trains re-engined there Paxman Velanta HSTs with VP185 engines making them unquine on the Main Line as all other TOC's went with MTU engines.
East Midlands Railway
East Midlands Railway operated 12 angle HST sets.
History Cross Country Private
= Virgin Cross Country
CrossCrountry
History Other
Scotrail
Diesel Mutiple Unit Classes
Class 253
The Class 253 was used for the Western Region sets.
Class 254
The Class 254 was used for the Eastern region sets.
Class 255

The Class 255 was for planned Virgin Cross Country HST sets. In 2019 it was reused for the Great Western Railway Class 255 Castle Sets. The Castle sets are 2+4 train sets used on the Great Western Railway services between Exeter St David's and Penzance. These are currently in the process of being replaced by the Class 175.